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authorNao Pross <naopross@thearcway.org>2017-10-05 16:09:59 +0200
committerNao Pross <naopross@thearcway.org>2017-10-05 16:09:59 +0200
commiteb169ea5a89909b90794e0388f89d6d372754e46 (patch)
treece7e826fd2dd4e4248cb4f1fbf8ce2885c943f49 /sw/z80/drivers/build
parentTest units are now in their own folder 'z80_test', add programmer cli interface (diff)
downloadz80uPC-eb169ea5a89909b90794e0388f89d6d372754e46.tar.gz
z80uPC-eb169ea5a89909b90794e0388f89d6d372754e46.zip
Move test units to z80/tests, and drivers are now statically linked
Makefiles for the test units were getting messier, so now drivers (that need to be tested) are statically compiled in their own folder under z80/drivers. The kernel makefile and is now broken since everything has been moved.
Diffstat (limited to 'sw/z80/drivers/build')
-rw-r--r--sw/z80/drivers/build/ctc.asm52
-rw-r--r--sw/z80/drivers/build/ctc.lst52
-rw-r--r--sw/z80/drivers/build/ctc.rel19
-rw-r--r--sw/z80/drivers/build/ctc.sym27
-rw-r--r--sw/z80/drivers/build/pio.asm234
-rw-r--r--sw/z80/drivers/build/pio.lst234
-rw-r--r--sw/z80/drivers/build/pio.rel87
-rw-r--r--sw/z80/drivers/build/pio.sym36
-rw-r--r--sw/z80/drivers/build/usart.asm440
-rw-r--r--sw/z80/drivers/build/usart.lst440
-rw-r--r--sw/z80/drivers/build/usart.rel184
-rw-r--r--sw/z80/drivers/build/usart.sym38
12 files changed, 1843 insertions, 0 deletions
diff --git a/sw/z80/drivers/build/ctc.asm b/sw/z80/drivers/build/ctc.asm
new file mode 100644
index 0000000..838756a
--- /dev/null
+++ b/sw/z80/drivers/build/ctc.asm
@@ -0,0 +1,52 @@
+;--------------------------------------------------------
+; File Created by SDCC : free open source ANSI-C Compiler
+; Version 3.6.0 #9615 (Linux)
+;--------------------------------------------------------
+ .module ctc
+ .optsdcc -mz80
+
+;--------------------------------------------------------
+; Public variables in this module
+;--------------------------------------------------------
+ .globl _ctc_control
+;--------------------------------------------------------
+; special function registers
+;--------------------------------------------------------
+;--------------------------------------------------------
+; ram data
+;--------------------------------------------------------
+ .area _DATA
+;--------------------------------------------------------
+; ram data
+;--------------------------------------------------------
+ .area _INITIALIZED
+;--------------------------------------------------------
+; absolute external ram data
+;--------------------------------------------------------
+ .area _DABS (ABS)
+;--------------------------------------------------------
+; global & static initialisations
+;--------------------------------------------------------
+ .area _HOME
+ .area _GSINIT
+ .area _GSFINAL
+ .area _GSINIT
+;--------------------------------------------------------
+; Home
+;--------------------------------------------------------
+ .area _HOME
+ .area _HOME
+;--------------------------------------------------------
+; code
+;--------------------------------------------------------
+ .area _CODE
+;ctc.c:3: void ctc_control()
+; ---------------------------------
+; Function ctc_control
+; ---------------------------------
+_ctc_control::
+;ctc.c:6: }
+ ret
+ .area _CODE
+ .area _INITIALIZER
+ .area _CABS (ABS)
diff --git a/sw/z80/drivers/build/ctc.lst b/sw/z80/drivers/build/ctc.lst
new file mode 100644
index 0000000..e758d8a
--- /dev/null
+++ b/sw/z80/drivers/build/ctc.lst
@@ -0,0 +1,52 @@
+ 1 ;--------------------------------------------------------
+ 2 ; File Created by SDCC : free open source ANSI-C Compiler
+ 3 ; Version 3.6.0 #9615 (Linux)
+ 4 ;--------------------------------------------------------
+ 5 .module ctc
+ 6 .optsdcc -mz80
+ 7
+ 8 ;--------------------------------------------------------
+ 9 ; Public variables in this module
+ 10 ;--------------------------------------------------------
+ 11 .globl _ctc_control
+ 12 ;--------------------------------------------------------
+ 13 ; special function registers
+ 14 ;--------------------------------------------------------
+ 15 ;--------------------------------------------------------
+ 16 ; ram data
+ 17 ;--------------------------------------------------------
+ 18 .area _DATA
+ 19 ;--------------------------------------------------------
+ 20 ; ram data
+ 21 ;--------------------------------------------------------
+ 22 .area _INITIALIZED
+ 23 ;--------------------------------------------------------
+ 24 ; absolute external ram data
+ 25 ;--------------------------------------------------------
+ 26 .area _DABS (ABS)
+ 27 ;--------------------------------------------------------
+ 28 ; global & static initialisations
+ 29 ;--------------------------------------------------------
+ 30 .area _HOME
+ 31 .area _GSINIT
+ 32 .area _GSFINAL
+ 33 .area _GSINIT
+ 34 ;--------------------------------------------------------
+ 35 ; Home
+ 36 ;--------------------------------------------------------
+ 37 .area _HOME
+ 38 .area _HOME
+ 39 ;--------------------------------------------------------
+ 40 ; code
+ 41 ;--------------------------------------------------------
+ 42 .area _CODE
+ 43 ;ctc.c:3: void ctc_control()
+ 44 ; ---------------------------------
+ 45 ; Function ctc_control
+ 46 ; ---------------------------------
+ 0000 47 _ctc_control::
+ 48 ;ctc.c:6: }
+ 0000 C9 [10] 49 ret
+ 50 .area _CODE
+ 51 .area _INITIALIZER
+ 52 .area _CABS (ABS)
diff --git a/sw/z80/drivers/build/ctc.rel b/sw/z80/drivers/build/ctc.rel
new file mode 100644
index 0000000..50a8b42
--- /dev/null
+++ b/sw/z80/drivers/build/ctc.rel
@@ -0,0 +1,19 @@
+XL2
+H 9 areas 2 global symbols
+M ctc
+O -mz80
+S .__.ABS. Def0000
+A _CODE size 1 flags 0 addr 0
+S _ctc_control Def0000
+A _DATA size 0 flags 0 addr 0
+A _INITIALIZED size 0 flags 0 addr 0
+A _DABS size 0 flags 8 addr 0
+A _HOME size 0 flags 0 addr 0
+A _GSINIT size 0 flags 0 addr 0
+A _GSFINAL size 0 flags 0 addr 0
+A _INITIALIZER size 0 flags 0 addr 0
+A _CABS size 0 flags 8 addr 0
+T 00 00
+R 00 00 00 00
+T 00 00 C9
+R 00 00 00 00
diff --git a/sw/z80/drivers/build/ctc.sym b/sw/z80/drivers/build/ctc.sym
new file mode 100644
index 0000000..82ca00e
--- /dev/null
+++ b/sw/z80/drivers/build/ctc.sym
@@ -0,0 +1,27 @@
+ ASxxxx Assembler V02.00 + NoICE + SDCC mods (Zilog Z80 / Hitachi HD64180), page 1.
+Hexadecimal [16-Bits]
+
+Symbol Table
+
+ .__.$$$. = 2710 L
+ .__.ABS. = 0000 G
+ .__.CPU. = 0000 L
+ .__.H$L. = 0000 L
+ 0 _ctc_control 0000 GR
+
+
+ ASxxxx Assembler V02.00 + NoICE + SDCC mods (Zilog Z80 / Hitachi HD64180), page 2.
+Hexadecimal [16-Bits]
+
+Area Table
+
+ 0 _CODE size 1 flags 0
+ 1 _DATA size 0 flags 0
+ 2 _INITIALIZED size 0 flags 0
+ 3 _DABS size 0 flags 8
+ 4 _HOME size 0 flags 0
+ 5 _GSINIT size 0 flags 0
+ 6 _GSFINAL size 0 flags 0
+ 7 _INITIALIZER size 0 flags 0
+ 8 _CABS size 0 flags 8
+
diff --git a/sw/z80/drivers/build/pio.asm b/sw/z80/drivers/build/pio.asm
new file mode 100644
index 0000000..3045492
--- /dev/null
+++ b/sw/z80/drivers/build/pio.asm
@@ -0,0 +1,234 @@
+;--------------------------------------------------------
+; File Created by SDCC : free open source ANSI-C Compiler
+; Version 3.6.0 #9615 (Linux)
+;--------------------------------------------------------
+ .module pio
+ .optsdcc -mz80
+
+;--------------------------------------------------------
+; Public variables in this module
+;--------------------------------------------------------
+ .globl __pio_data
+ .globl __pio_control
+ .globl _pio_set_mode
+ .globl _pio_set_interrupts
+ .globl _pio_set_interrupts_mask
+ .globl _pio_read
+ .globl _pio_write
+;--------------------------------------------------------
+; special function registers
+;--------------------------------------------------------
+;--------------------------------------------------------
+; ram data
+;--------------------------------------------------------
+ .area _DATA
+;--------------------------------------------------------
+; ram data
+;--------------------------------------------------------
+ .area _INITIALIZED
+_pio_port:
+ .ds 2
+_pio_ctrl:
+ .ds 2
+;--------------------------------------------------------
+; absolute external ram data
+;--------------------------------------------------------
+ .area _DABS (ABS)
+;--------------------------------------------------------
+; global & static initialisations
+;--------------------------------------------------------
+ .area _HOME
+ .area _GSINIT
+ .area _GSFINAL
+ .area _GSINIT
+;--------------------------------------------------------
+; Home
+;--------------------------------------------------------
+ .area _HOME
+ .area _HOME
+;--------------------------------------------------------
+; code
+;--------------------------------------------------------
+ .area _CODE
+;pio.c:6: inline void _pio_data(int port, uint8_t data)
+; ---------------------------------
+; Function _pio_data
+; ---------------------------------
+__pio_data::
+;pio.c:8: *(pio_port + port) = data;
+ ld hl,#2
+ add hl,sp
+ ld iy,#_pio_port
+ ld a,0 (iy)
+ add a, (hl)
+ ld c,a
+ ld a,1 (iy)
+ inc hl
+ adc a, (hl)
+ ld b,a
+ ld hl, #4+0
+ add hl, sp
+ ld a, (hl)
+ ld (bc),a
+ ret
+;pio.c:11: inline void _pio_control(int port, uint8_t cmd)
+; ---------------------------------
+; Function _pio_control
+; ---------------------------------
+__pio_control::
+;pio.c:13: *(pio_ctrl + port) = cmd;
+ ld hl,#2
+ add hl,sp
+ ld iy,#_pio_ctrl
+ ld a,0 (iy)
+ add a, (hl)
+ ld c,a
+ ld a,1 (iy)
+ inc hl
+ adc a, (hl)
+ ld b,a
+ ld hl, #4+0
+ add hl, sp
+ ld a, (hl)
+ ld (bc),a
+ ret
+;pio.c:16: void pio_set_mode(int port, int mode, uint8_t io)
+; ---------------------------------
+; Function pio_set_mode
+; ---------------------------------
+_pio_set_mode::
+;pio.c:19: _pio_control(port, ((mode << 6) | 0x0F));
+ ld hl, #4+0
+ add hl, sp
+ ld a, (hl)
+ rrca
+ rrca
+ and a,#0xc0
+ or a, #0x0f
+ ld c,a
+ pop de
+ pop hl
+ push hl
+ push de
+;pio.c:13: *(pio_ctrl + port) = cmd;
+ ld iy,(_pio_ctrl)
+ ld e, l
+ ld d, h
+ add iy, de
+ ld 0 (iy), c
+;pio.c:23: if (mode == PIO_MODE_BIT_IO) {
+ ld iy,#4
+ add iy,sp
+ ld a,0 (iy)
+ sub a, #0x03
+ ret NZ
+ ld a,1 (iy)
+ or a, a
+ ret NZ
+;pio.c:24: _pio_control(port, io);
+ ld iy,#6
+ add iy,sp
+ ld c,0 (iy)
+;pio.c:13: *(pio_ctrl + port) = cmd;
+ ld de,(_pio_ctrl)
+ add hl,de
+ ld (hl),c
+;pio.c:24: _pio_control(port, io);
+ ret
+;pio.c:28: void pio_set_interrupts(int port, int control)
+; ---------------------------------
+; Function pio_set_interrupts
+; ---------------------------------
+_pio_set_interrupts::
+;pio.c:31: _pio_control(port, (control | 0x07));
+ ld hl, #4+0
+ add hl, sp
+ ld a, (hl)
+ or a, #0x07
+ ld c,a
+ pop de
+ pop hl
+ push hl
+ push de
+;pio.c:13: *(pio_ctrl + port) = cmd;
+ ld de,(_pio_ctrl)
+ add hl,de
+ ld (hl),c
+;pio.c:31: _pio_control(port, (control | 0x07));
+ ret
+;pio.c:34: void pio_set_interrupts_mask(int port, int control, uint8_t mask)
+; ---------------------------------
+; Function pio_set_interrupts_mask
+; ---------------------------------
+_pio_set_interrupts_mask::
+;pio.c:38: _pio_control(port, (control | 0x17));
+ ld hl, #4+0
+ add hl, sp
+ ld a, (hl)
+ or a, #0x17
+ ld c,a
+ pop de
+ pop hl
+ push hl
+ push de
+;pio.c:13: *(pio_ctrl + port) = cmd;
+ ld iy,(_pio_ctrl)
+ ld e, l
+ ld d, h
+ add iy, de
+ ld 0 (iy), c
+;pio.c:39: _pio_control(port, mask);
+ ld iy,#6
+ add iy,sp
+ ld c,0 (iy)
+;pio.c:13: *(pio_ctrl + port) = cmd;
+ ld de,(_pio_ctrl)
+ add hl,de
+ ld (hl),c
+;pio.c:39: _pio_control(port, mask);
+ ret
+;pio.c:42: uint8_t pio_read(int port)
+; ---------------------------------
+; Function pio_read
+; ---------------------------------
+_pio_read::
+;pio.c:44: return *(pio_port + port);
+ ld hl,#2
+ add hl,sp
+ ld iy,#_pio_port
+ ld a,0 (iy)
+ add a, (hl)
+ ld c,a
+ ld a,1 (iy)
+ inc hl
+ adc a, (hl)
+ ld b,a
+ ld a,(bc)
+ ld l,a
+ ret
+;pio.c:47: void pio_write(int port, uint8_t data)
+; ---------------------------------
+; Function pio_write
+; ---------------------------------
+_pio_write::
+;pio.c:49: _pio_data(port, data);
+ ld hl, #4+0
+ add hl, sp
+ ld c, (hl)
+ pop de
+ pop hl
+ push hl
+ push de
+;pio.c:8: *(pio_port + port) = data;
+ ld de,(_pio_port)
+ add hl,de
+ ld (hl),c
+;pio.c:49: _pio_data(port, data);
+ ret
+ .area _CODE
+ .area _INITIALIZER
+__xinit__pio_port:
+ .dw #0x4200
+__xinit__pio_ctrl:
+ .dw #0x4202
+ .area _CABS (ABS)
diff --git a/sw/z80/drivers/build/pio.lst b/sw/z80/drivers/build/pio.lst
new file mode 100644
index 0000000..0b83616
--- /dev/null
+++ b/sw/z80/drivers/build/pio.lst
@@ -0,0 +1,234 @@
+ 1 ;--------------------------------------------------------
+ 2 ; File Created by SDCC : free open source ANSI-C Compiler
+ 3 ; Version 3.6.0 #9615 (Linux)
+ 4 ;--------------------------------------------------------
+ 5 .module pio
+ 6 .optsdcc -mz80
+ 7
+ 8 ;--------------------------------------------------------
+ 9 ; Public variables in this module
+ 10 ;--------------------------------------------------------
+ 11 .globl __pio_data
+ 12 .globl __pio_control
+ 13 .globl _pio_set_mode
+ 14 .globl _pio_set_interrupts
+ 15 .globl _pio_set_interrupts_mask
+ 16 .globl _pio_read
+ 17 .globl _pio_write
+ 18 ;--------------------------------------------------------
+ 19 ; special function registers
+ 20 ;--------------------------------------------------------
+ 21 ;--------------------------------------------------------
+ 22 ; ram data
+ 23 ;--------------------------------------------------------
+ 24 .area _DATA
+ 25 ;--------------------------------------------------------
+ 26 ; ram data
+ 27 ;--------------------------------------------------------
+ 28 .area _INITIALIZED
+ 0000 29 _pio_port:
+ 0000 30 .ds 2
+ 0002 31 _pio_ctrl:
+ 0002 32 .ds 2
+ 33 ;--------------------------------------------------------
+ 34 ; absolute external ram data
+ 35 ;--------------------------------------------------------
+ 36 .area _DABS (ABS)
+ 37 ;--------------------------------------------------------
+ 38 ; global & static initialisations
+ 39 ;--------------------------------------------------------
+ 40 .area _HOME
+ 41 .area _GSINIT
+ 42 .area _GSFINAL
+ 43 .area _GSINIT
+ 44 ;--------------------------------------------------------
+ 45 ; Home
+ 46 ;--------------------------------------------------------
+ 47 .area _HOME
+ 48 .area _HOME
+ 49 ;--------------------------------------------------------
+ 50 ; code
+ 51 ;--------------------------------------------------------
+ 52 .area _CODE
+ 53 ;pio.c:6: inline void _pio_data(int port, uint8_t data)
+ 54 ; ---------------------------------
+ 55 ; Function _pio_data
+ 56 ; ---------------------------------
+ 0000 57 __pio_data::
+ 58 ;pio.c:8: *(pio_port + port) = data;
+ 0000 21 02 00 [10] 59 ld hl,#2
+ 0003 39 [11] 60 add hl,sp
+ 0004 FD 21r00r00 [14] 61 ld iy,#_pio_port
+ 0008 FD 7E 00 [19] 62 ld a,0 (iy)
+ 000B 86 [ 7] 63 add a, (hl)
+ 000C 4F [ 4] 64 ld c,a
+ 000D FD 7E 01 [19] 65 ld a,1 (iy)
+ 0010 23 [ 6] 66 inc hl
+ 0011 8E [ 7] 67 adc a, (hl)
+ 0012 47 [ 4] 68 ld b,a
+ 0013 21 04 00 [10] 69 ld hl, #4+0
+ 0016 39 [11] 70 add hl, sp
+ 0017 7E [ 7] 71 ld a, (hl)
+ 0018 02 [ 7] 72 ld (bc),a
+ 0019 C9 [10] 73 ret
+ 74 ;pio.c:11: inline void _pio_control(int port, uint8_t cmd)
+ 75 ; ---------------------------------
+ 76 ; Function _pio_control
+ 77 ; ---------------------------------
+ 001A 78 __pio_control::
+ 79 ;pio.c:13: *(pio_ctrl + port) = cmd;
+ 001A 21 02 00 [10] 80 ld hl,#2
+ 001D 39 [11] 81 add hl,sp
+ 001E FD 21r02r00 [14] 82 ld iy,#_pio_ctrl
+ 0022 FD 7E 00 [19] 83 ld a,0 (iy)
+ 0025 86 [ 7] 84 add a, (hl)
+ 0026 4F [ 4] 85 ld c,a
+ 0027 FD 7E 01 [19] 86 ld a,1 (iy)
+ 002A 23 [ 6] 87 inc hl
+ 002B 8E [ 7] 88 adc a, (hl)
+ 002C 47 [ 4] 89 ld b,a
+ 002D 21 04 00 [10] 90 ld hl, #4+0
+ 0030 39 [11] 91 add hl, sp
+ 0031 7E [ 7] 92 ld a, (hl)
+ 0032 02 [ 7] 93 ld (bc),a
+ 0033 C9 [10] 94 ret
+ 95 ;pio.c:16: void pio_set_mode(int port, int mode, uint8_t io)
+ 96 ; ---------------------------------
+ 97 ; Function pio_set_mode
+ 98 ; ---------------------------------
+ 0034 99 _pio_set_mode::
+ 100 ;pio.c:19: _pio_control(port, ((mode << 6) | 0x0F));
+ 0034 21 04 00 [10] 101 ld hl, #4+0
+ 0037 39 [11] 102 add hl, sp
+ 0038 7E [ 7] 103 ld a, (hl)
+ 0039 0F [ 4] 104 rrca
+ 003A 0F [ 4] 105 rrca
+ 003B E6 C0 [ 7] 106 and a,#0xc0
+ 003D F6 0F [ 7] 107 or a, #0x0f
+ 003F 4F [ 4] 108 ld c,a
+ 0040 D1 [10] 109 pop de
+ 0041 E1 [10] 110 pop hl
+ 0042 E5 [11] 111 push hl
+ 0043 D5 [11] 112 push de
+ 113 ;pio.c:13: *(pio_ctrl + port) = cmd;
+ 0044 FD 2Ar02r00 [20] 114 ld iy,(_pio_ctrl)
+ 0048 5D [ 4] 115 ld e, l
+ 0049 54 [ 4] 116 ld d, h
+ 004A FD 19 [15] 117 add iy, de
+ 004C FD 71 00 [19] 118 ld 0 (iy), c
+ 119 ;pio.c:23: if (mode == PIO_MODE_BIT_IO) {
+ 004F FD 21 04 00 [14] 120 ld iy,#4
+ 0053 FD 39 [15] 121 add iy,sp
+ 0055 FD 7E 00 [19] 122 ld a,0 (iy)
+ 0058 D6 03 [ 7] 123 sub a, #0x03
+ 005A C0 [11] 124 ret NZ
+ 005B FD 7E 01 [19] 125 ld a,1 (iy)
+ 005E B7 [ 4] 126 or a, a
+ 005F C0 [11] 127 ret NZ
+ 128 ;pio.c:24: _pio_control(port, io);
+ 0060 FD 21 06 00 [14] 129 ld iy,#6
+ 0064 FD 39 [15] 130 add iy,sp
+ 0066 FD 4E 00 [19] 131 ld c,0 (iy)
+ 132 ;pio.c:13: *(pio_ctrl + port) = cmd;
+ 0069 ED 5Br02r00 [20] 133 ld de,(_pio_ctrl)
+ 006D 19 [11] 134 add hl,de
+ 006E 71 [ 7] 135 ld (hl),c
+ 136 ;pio.c:24: _pio_control(port, io);
+ 006F C9 [10] 137 ret
+ 138 ;pio.c:28: void pio_set_interrupts(int port, int control)
+ 139 ; ---------------------------------
+ 140 ; Function pio_set_interrupts
+ 141 ; ---------------------------------
+ 0070 142 _pio_set_interrupts::
+ 143 ;pio.c:31: _pio_control(port, (control | 0x07));
+ 0070 21 04 00 [10] 144 ld hl, #4+0
+ 0073 39 [11] 145 add hl, sp
+ 0074 7E [ 7] 146 ld a, (hl)
+ 0075 F6 07 [ 7] 147 or a, #0x07
+ 0077 4F [ 4] 148 ld c,a
+ 0078 D1 [10] 149 pop de
+ 0079 E1 [10] 150 pop hl
+ 007A E5 [11] 151 push hl
+ 007B D5 [11] 152 push de
+ 153 ;pio.c:13: *(pio_ctrl + port) = cmd;
+ 007C ED 5Br02r00 [20] 154 ld de,(_pio_ctrl)
+ 0080 19 [11] 155 add hl,de
+ 0081 71 [ 7] 156 ld (hl),c
+ 157 ;pio.c:31: _pio_control(port, (control | 0x07));
+ 0082 C9 [10] 158 ret
+ 159 ;pio.c:34: void pio_set_interrupts_mask(int port, int control, uint8_t mask)
+ 160 ; ---------------------------------
+ 161 ; Function pio_set_interrupts_mask
+ 162 ; ---------------------------------
+ 0083 163 _pio_set_interrupts_mask::
+ 164 ;pio.c:38: _pio_control(port, (control | 0x17));
+ 0083 21 04 00 [10] 165 ld hl, #4+0
+ 0086 39 [11] 166 add hl, sp
+ 0087 7E [ 7] 167 ld a, (hl)
+ 0088 F6 17 [ 7] 168 or a, #0x17
+ 008A 4F [ 4] 169 ld c,a
+ 008B D1 [10] 170 pop de
+ 008C E1 [10] 171 pop hl
+ 008D E5 [11] 172 push hl
+ 008E D5 [11] 173 push de
+ 174 ;pio.c:13: *(pio_ctrl + port) = cmd;
+ 008F FD 2Ar02r00 [20] 175 ld iy,(_pio_ctrl)
+ 0093 5D [ 4] 176 ld e, l
+ 0094 54 [ 4] 177 ld d, h
+ 0095 FD 19 [15] 178 add iy, de
+ 0097 FD 71 00 [19] 179 ld 0 (iy), c
+ 180 ;pio.c:39: _pio_control(port, mask);
+ 009A FD 21 06 00 [14] 181 ld iy,#6
+ 009E FD 39 [15] 182 add iy,sp
+ 00A0 FD 4E 00 [19] 183 ld c,0 (iy)
+ 184 ;pio.c:13: *(pio_ctrl + port) = cmd;
+ 00A3 ED 5Br02r00 [20] 185 ld de,(_pio_ctrl)
+ 00A7 19 [11] 186 add hl,de
+ 00A8 71 [ 7] 187 ld (hl),c
+ 188 ;pio.c:39: _pio_control(port, mask);
+ 00A9 C9 [10] 189 ret
+ 190 ;pio.c:42: uint8_t pio_read(int port)
+ 191 ; ---------------------------------
+ 192 ; Function pio_read
+ 193 ; ---------------------------------
+ 00AA 194 _pio_read::
+ 195 ;pio.c:44: return *(pio_port + port);
+ 00AA 21 02 00 [10] 196 ld hl,#2
+ 00AD 39 [11] 197 add hl,sp
+ 00AE FD 21r00r00 [14] 198 ld iy,#_pio_port
+ 00B2 FD 7E 00 [19] 199 ld a,0 (iy)
+ 00B5 86 [ 7] 200 add a, (hl)
+ 00B6 4F [ 4] 201 ld c,a
+ 00B7 FD 7E 01 [19] 202 ld a,1 (iy)
+ 00BA 23 [ 6] 203 inc hl
+ 00BB 8E [ 7] 204 adc a, (hl)
+ 00BC 47 [ 4] 205 ld b,a
+ 00BD 0A [ 7] 206 ld a,(bc)
+ 00BE 6F [ 4] 207 ld l,a
+ 00BF C9 [10] 208 ret
+ 209 ;pio.c:47: void pio_write(int port, uint8_t data)
+ 210 ; ---------------------------------
+ 211 ; Function pio_write
+ 212 ; ---------------------------------
+ 00C0 213 _pio_write::
+ 214 ;pio.c:49: _pio_data(port, data);
+ 00C0 21 04 00 [10] 215 ld hl, #4+0
+ 00C3 39 [11] 216 add hl, sp
+ 00C4 4E [ 7] 217 ld c, (hl)
+ 00C5 D1 [10] 218 pop de
+ 00C6 E1 [10] 219 pop hl
+ 00C7 E5 [11] 220 push hl
+ 00C8 D5 [11] 221 push de
+ 222 ;pio.c:8: *(pio_port + port) = data;
+ 00C9 ED 5Br00r00 [20] 223 ld de,(_pio_port)
+ 00CD 19 [11] 224 add hl,de
+ 00CE 71 [ 7] 225 ld (hl),c
+ 226 ;pio.c:49: _pio_data(port, data);
+ 00CF C9 [10] 227 ret
+ 228 .area _CODE
+ 229 .area _INITIALIZER
+ 0000 230 __xinit__pio_port:
+ 0000 00 42 231 .dw #0x4200
+ 0002 232 __xinit__pio_ctrl:
+ 0002 02 42 233 .dw #0x4202
+ 234 .area _CABS (ABS)
diff --git a/sw/z80/drivers/build/pio.rel b/sw/z80/drivers/build/pio.rel
new file mode 100644
index 0000000..d9b1ac3
--- /dev/null
+++ b/sw/z80/drivers/build/pio.rel
@@ -0,0 +1,87 @@
+XL2
+H 9 areas 8 global symbols
+M pio
+O -mz80
+S .__.ABS. Def0000
+A _CODE size D0 flags 0 addr 0
+S _pio_set_interrupts Def0070
+S _pio_set_mode Def0034
+S _pio_set_interrupts_mask Def0083
+S _pio_read Def00AA
+S __pio_control Def001A
+S _pio_write Def00C0
+S __pio_data Def0000
+A _DATA size 0 flags 0 addr 0
+A _INITIALIZED size 4 flags 0 addr 0
+A _DABS size 0 flags 8 addr 0
+A _HOME size 0 flags 0 addr 0
+A _GSINIT size 0 flags 0 addr 0
+A _GSFINAL size 0 flags 0 addr 0
+A _INITIALIZER size 4 flags 0 addr 0
+A _CABS size 0 flags 8 addr 0
+T 00 00
+R 00 00 02 00
+T 00 00
+R 00 00 02 00
+T 02 00
+R 00 00 02 00
+T 02 00
+R 00 00 02 00
+T 00 00
+R 00 00 00 00
+T 00 00 21 02 00 39 FD 21 00 00 FD 7E 00 86 4F FD
+R 00 00 00 00 00 08 02 00
+T 0E 00 7E 01 23 8E 47 21 04 00 39 7E 02 C9
+R 00 00 00 00
+T 1A 00
+R 00 00 00 00
+T 1A 00 21 02 00 39 FD 21 02 00 FD 7E 00 86 4F FD
+R 00 00 00 00 00 08 02 00
+T 28 00 7E 01 23 8E 47 21 04 00 39 7E 02 C9
+R 00 00 00 00
+T 34 00
+R 00 00 00 00
+T 34 00 21 04 00 39 7E 0F 0F E6 C0 F6 0F 4F D1 E1
+R 00 00 00 00
+T 42 00 E5 D5 FD 2A 02 00 5D 54 FD 19 FD 71 00 FD
+R 00 00 00 00 00 06 02 00
+T 50 00 21 04 00 FD 39 FD 7E 00 D6 03 C0 FD 7E 01
+R 00 00 00 00
+T 5E 00 B7 C0 FD 21 06 00 FD 39 FD 4E 00 ED 5B
+R 00 00 00 00
+T 6B 00 02 00 19 71 C9
+R 00 00 00 00 00 02 02 00
+T 70 00
+R 00 00 00 00
+T 70 00 21 04 00 39 7E F6 07 4F D1 E1 E5 D5 ED 5B
+R 00 00 00 00
+T 7E 00 02 00 19 71 C9
+R 00 00 00 00 00 02 02 00
+T 83 00
+R 00 00 00 00
+T 83 00 21 04 00 39 7E F6 17 4F D1 E1 E5 D5 FD 2A
+R 00 00 00 00
+T 91 00 02 00 5D 54 FD 19 FD 71 00 FD 21 06 00 FD
+R 00 00 00 00 00 02 02 00
+T 9F 00 39 FD 4E 00 ED 5B 02 00 19 71 C9
+R 00 00 00 00 00 08 02 00
+T AA 00
+R 00 00 00 00
+T AA 00 21 02 00 39 FD 21 00 00 FD 7E 00 86 4F FD
+R 00 00 00 00 00 08 02 00
+T B8 00 7E 01 23 8E 47 0A 6F C9
+R 00 00 00 00
+T C0 00
+R 00 00 00 00
+T C0 00 21 04 00 39 4E D1 E1 E5 D5 ED 5B 00 00 19
+R 00 00 00 00 00 0D 02 00
+T CE 00 71 C9
+R 00 00 00 00
+T 00 00
+R 00 00 07 00
+T 00 00 00 42
+R 00 00 07 00
+T 02 00
+R 00 00 07 00
+T 02 00 02 42
+R 00 00 07 00
diff --git a/sw/z80/drivers/build/pio.sym b/sw/z80/drivers/build/pio.sym
new file mode 100644
index 0000000..52f787c
--- /dev/null
+++ b/sw/z80/drivers/build/pio.sym
@@ -0,0 +1,36 @@
+ ASxxxx Assembler V02.00 + NoICE + SDCC mods (Zilog Z80 / Hitachi HD64180), page 1.
+Hexadecimal [16-Bits]
+
+Symbol Table
+
+ .__.$$$. = 2710 L
+ .__.ABS. = 0000 G
+ .__.CPU. = 0000 L
+ .__.H$L. = 0000 L
+ 0 __pio_control 001A GR
+ 0 __pio_data 0000 GR
+ 7 __xinit__pio_ctrl 0002 R
+ 7 __xinit__pio_port 0000 R
+ 2 _pio_ctrl 0002 R
+ 2 _pio_port 0000 R
+ 0 _pio_read 00AA GR
+ 0 _pio_set_interrupts 0070 GR
+ 0 _pio_set_interrupts_mask 0083 GR
+ 0 _pio_set_mode 0034 GR
+ 0 _pio_write 00C0 GR
+
+ ASxxxx Assembler V02.00 + NoICE + SDCC mods (Zilog Z80 / Hitachi HD64180), page 2.
+Hexadecimal [16-Bits]
+
+Area Table
+
+ 0 _CODE size D0 flags 0
+ 1 _DATA size 0 flags 0
+ 2 _INITIALIZED size 4 flags 0
+ 3 _DABS size 0 flags 8
+ 4 _HOME size 0 flags 0
+ 5 _GSINIT size 0 flags 0
+ 6 _GSFINAL size 0 flags 0
+ 7 _INITIALIZER size 4 flags 0
+ 8 _CABS size 0 flags 8
+
diff --git a/sw/z80/drivers/build/usart.asm b/sw/z80/drivers/build/usart.asm
new file mode 100644
index 0000000..fb65d62
--- /dev/null
+++ b/sw/z80/drivers/build/usart.asm
@@ -0,0 +1,440 @@
+;--------------------------------------------------------
+; File Created by SDCC : free open source ANSI-C Compiler
+; Version 3.6.0 #9615 (Linux)
+;--------------------------------------------------------
+ .module usart
+ .optsdcc -mz80
+
+;--------------------------------------------------------
+; Public variables in this module
+;--------------------------------------------------------
+ .globl _usart_word_length
+ .globl _usart_set_baudrate
+ .globl _usart_set_parity
+ .globl _usart_set_stop_bits
+ .globl _usart_set_autoflow
+ .globl _usart_init
+ .globl _usart_transmit
+ .globl _usart_receive
+ .globl _usart_write
+ .globl _usart_read
+;--------------------------------------------------------
+; special function registers
+;--------------------------------------------------------
+;--------------------------------------------------------
+; ram data
+;--------------------------------------------------------
+ .area _DATA
+;--------------------------------------------------------
+; ram data
+;--------------------------------------------------------
+ .area _INITIALIZED
+__usart:
+ .ds 2
+;--------------------------------------------------------
+; absolute external ram data
+;--------------------------------------------------------
+ .area _DABS (ABS)
+;--------------------------------------------------------
+; global & static initialisations
+;--------------------------------------------------------
+ .area _HOME
+ .area _GSINIT
+ .area _GSFINAL
+ .area _GSINIT
+;--------------------------------------------------------
+; Home
+;--------------------------------------------------------
+ .area _HOME
+ .area _HOME
+;--------------------------------------------------------
+; code
+;--------------------------------------------------------
+ .area _CODE
+;usart.c:5: void usart_set_baudrate(uint16_t baudrate)
+; ---------------------------------
+; Function usart_set_baudrate
+; ---------------------------------
+_usart_set_baudrate::
+ push ix
+ ld ix,#0
+ add ix,sp
+;usart.c:8: _usart->LCR.divisor_latch_access = 1;
+ ld hl,(__usart)
+ ld bc,#0x0004
+ add hl,bc
+ ld a,(hl)
+ or a,#0x80
+ ld (hl),a
+;usart.c:9: _usart->buffer = 0x00FF & baudrate; // LSBs
+ ld hl,(__usart)
+ ld c,4 (ix)
+ ld (hl),c
+;usart.c:10: memcpy(&_usart->IER, &(baudrate >>8), 1);
+ ld de,(__usart)
+ inc de
+ ld l,5 (ix)
+ ld h,#0x00
+ ld a, (hl)
+ ld (de), a
+;usart.c:12: _usart->LCR.divisor_latch_access = 0;
+ ld hl,(__usart)
+ ld bc,#0x0004
+ add hl,bc
+ ld a,(hl)
+ and a,#0x7f
+ ld (hl),a
+ pop ix
+ ret
+;usart.c:15: void usart_set_parity(int mode)
+; ---------------------------------
+; Function usart_set_parity
+; ---------------------------------
+_usart_set_parity::
+;usart.c:18: _usart->LCR.even_parity = 1;
+ ld hl,(__usart)
+ ld bc,#0x0004
+ add hl,bc
+;usart.c:17: if (mode == USART_PARITY_EVEN) {
+ ld iy,#2
+ add iy,sp
+ ld a,0 (iy)
+ dec a
+ jr NZ,00104$
+ ld a,1 (iy)
+ or a, a
+ jr NZ,00104$
+;usart.c:18: _usart->LCR.even_parity = 1;
+ ld a,(hl)
+ or a,#0x10
+ ld (hl),a
+ jr 00105$
+00104$:
+;usart.c:20: else if (mode == USART_PARITY_ODD) {
+ ld iy,#2
+ add iy,sp
+ ld a,0 (iy)
+ sub a, #0x02
+ jr NZ,00105$
+ ld a,1 (iy)
+ or a, a
+ jr NZ,00105$
+;usart.c:21: _usart->LCR.even_parity = 0;
+ ld a,(hl)
+ and a,#0xef
+ ld (hl),a
+00105$:
+;usart.c:24: _usart->LCR.parity = (mode == USART_PARITY_NONE) ? 0 : 1;
+ ld hl,(__usart)
+ ld bc,#0x0004
+ add hl,bc
+ ld iy,#2
+ add iy,sp
+ ld a,0 (iy)
+ rlca
+ rlca
+ rlca
+ and a,#0xf8
+ and a,#0x08
+ ld c,a
+ ld a,(hl)
+ and a,#0xf7
+ or a,c
+ ld (hl),a
+ ret
+;usart.c:27: void usart_set_stop_bits(int count)
+; ---------------------------------
+; Function usart_set_stop_bits
+; ---------------------------------
+_usart_set_stop_bits::
+;usart.c:29: _usart->LCR.stop_bits = (count == USART_STOP_BITS_1) ? 0 : 1;
+ ld bc,(__usart)
+ inc bc
+ inc bc
+ inc bc
+ inc bc
+ ld iy,#2
+ add iy,sp
+ ld a,0 (iy)
+ sub a, #0x0a
+ jr NZ,00103$
+ ld a,1 (iy)
+ or a, a
+ jr NZ,00103$
+ ld a,#0x01
+ jr 00104$
+00103$:
+ xor a,a
+00104$:
+ xor a, #0x01
+ add a, a
+ add a, a
+ and a,#0x04
+ ld l,a
+ ld a,(bc)
+ and a,#0xfb
+ or a,l
+ ld (bc),a
+ ret
+;usart.c:32: void usart_word_length(int length)
+; ---------------------------------
+; Function usart_word_length
+; ---------------------------------
+_usart_word_length::
+;usart.c:34: _usart->LCR.word_length = length;
+ ld hl,(__usart)
+ ld bc,#0x0004
+ add hl,bc
+ ld iy,#2
+ add iy,sp
+ ld a,0 (iy)
+ and a,#0x03
+ ld c,a
+ ld a,(hl)
+ and a,#0xfc
+ or a,c
+ ld (hl),a
+ ret
+;usart.c:37: void usart_set_autoflow(int mode)
+; ---------------------------------
+; Function usart_set_autoflow
+; ---------------------------------
+_usart_set_autoflow::
+;usart.c:39: _usart->MCR.autoflow = (mode == USART_AUTOFLOW_OFF) ? 0 : 1;
+ ld hl,(__usart)
+ ld bc,#0x000c
+ add hl,bc
+ ld iy,#2
+ add iy,sp
+ ld a,0 (iy)
+ and a,#0x01
+ ld c,a
+ ld a,(hl)
+ and a,#0xfe
+ or a,c
+ ld (hl),a
+;usart.c:40: _usart->MCR.data_terminal_ready = (mode == USART_AUTOFLOW_ALL);
+ ld hl,(__usart)
+ ld bc,#0x0005
+ add hl,bc
+ ld a,0 (iy)
+ sub a, #0x03
+ jr NZ,00103$
+ ld a,1 (iy)
+ or a, a
+ jr NZ,00103$
+ ld a,#0x01
+ jr 00104$
+00103$:
+ xor a,a
+00104$:
+ and a,#0x01
+ ld c,a
+ ld a,(hl)
+ and a,#0xfe
+ or a,c
+ ld (hl),a
+ ret
+;usart.c:43: inline void usart_init(uint16_t baudrate, int parity, int stop_bits)
+; ---------------------------------
+; Function usart_init
+; ---------------------------------
+_usart_init::
+;usart.c:45: usart_set_baudrate(baudrate);
+ pop bc
+ pop hl
+ push hl
+ push bc
+ push hl
+ call _usart_set_baudrate
+ pop af
+;usart.c:46: usart_set_parity(parity);
+ ld hl, #4
+ add hl, sp
+ ld c, (hl)
+ inc hl
+ ld b, (hl)
+ push bc
+ call _usart_set_parity
+ pop af
+;usart.c:47: usart_set_stop_bits(stop_bits);
+ ld hl, #6
+ add hl, sp
+ ld c, (hl)
+ inc hl
+ ld b, (hl)
+ push bc
+ call _usart_set_stop_bits
+;usart.c:48: usart_set_autoflow(USART_AUTOFLOW_OFF);
+ ld hl, #0x0000
+ ex (sp),hl
+ call _usart_set_autoflow
+ pop af
+ ret
+;usart.c:51: void usart_transmit(uint8_t data)
+; ---------------------------------
+; Function usart_transmit
+; ---------------------------------
+_usart_transmit::
+;usart.c:53: _usart->buffer = data;
+ ld hl,(__usart)
+ ld iy,#2
+ add iy,sp
+ ld a,0 (iy)
+ ld (hl),a
+;usart.c:54: while (_usart->LSR.transmitter_holder_empty == 0); // wait
+00101$:
+ ld hl,(__usart)
+ ld bc,#0x000d
+ add hl,bc
+ ld a,(hl)
+ rlca
+ rlca
+ rlca
+ jr NC,00101$
+ ret
+;usart.c:57: uint8_t usart_receive()
+; ---------------------------------
+; Function usart_receive
+; ---------------------------------
+_usart_receive::
+;usart.c:59: return _usart->buffer;
+ ld hl,(__usart)
+ ld l,(hl)
+ ret
+;usart.c:62: int usart_write(uint8_t *data, size_t size)
+; ---------------------------------
+; Function usart_write
+; ---------------------------------
+_usart_write::
+ push ix
+ ld ix,#0
+ add ix,sp
+ push af
+;usart.c:64: uint8_t *dp = data;
+ ld a,4 (ix)
+ ld -2 (ix),a
+ ld a,5 (ix)
+ ld -1 (ix),a
+;usart.c:66: while (size--) {
+ ld c,6 (ix)
+ ld b,7 (ix)
+00104$:
+ ld e, c
+ ld d, b
+ dec bc
+ ld a,d
+ or a,e
+ jr Z,00106$
+;usart.c:67: _usart->buffer = *(dp++);
+ ld de,(__usart)
+ pop hl
+ push hl
+ ld a,(hl)
+ inc -2 (ix)
+ jr NZ,00126$
+ inc -1 (ix)
+00126$:
+ ld (de),a
+;usart.c:68: while (_usart->LSR.transmitter_empty);
+00101$:
+ ld hl,(__usart)
+ ld de,#0x000d
+ add hl,de
+ ld a,(hl)
+ rlca
+ rlca
+ jr NC,00104$
+ jr 00101$
+00106$:
+;usart.c:72: return size;
+ ld l, c
+ ld h, b
+ ld sp, ix
+ pop ix
+ ret
+;usart.c:75: int usart_read(uint8_t *buffer, size_t count)
+; ---------------------------------
+; Function usart_read
+; ---------------------------------
+_usart_read::
+ push ix
+ ld ix,#0
+ add ix,sp
+ ld hl,#-6
+ add hl,sp
+ ld sp,hl
+;usart.c:77: uint8_t *bp = buffer;
+ ld a,4 (ix)
+ ld -4 (ix),a
+ ld a,5 (ix)
+ ld -3 (ix),a
+;usart.c:80: while (count--) {
+ ld c,6 (ix)
+ ld b,7 (ix)
+ ld hl,#0x0000
+ ex (sp), hl
+00105$:
+ ld e, c
+ ld d, b
+ dec bc
+ ld a,d
+ or a,e
+ jr Z,00107$
+;usart.c:81: *(bp++) = _usart->buffer;
+ ld hl,(__usart)
+ ld e,(hl)
+ ld l,-4 (ix)
+ ld h,-3 (ix)
+ ld (hl),e
+ inc -4 (ix)
+ jr NZ,00123$
+ inc -3 (ix)
+00123$:
+ ld de,(__usart)
+;usart.c:83: if (_usart->LSR.framing_error || _usart->LSR.parity_error) {
+ ld hl,#0x000d
+ add hl,de
+ ld -2 (ix),l
+ ld -1 (ix),h
+ ld l,-2 (ix)
+ ld h,-1 (ix)
+ ld a,(hl)
+ rrca
+ rrca
+ rrca
+ and a,#0x01
+ jr NZ,00101$
+ ld l,-2 (ix)
+ ld h,-1 (ix)
+ ld a,(hl)
+ rrca
+ rrca
+ and a,#0x01
+ jr Z,00102$
+00101$:
+;usart.c:84: bp--; // delete last byte (?)
+ ld l,-4 (ix)
+ ld h,-3 (ix)
+ dec hl
+ ld -4 (ix),l
+ ld -3 (ix),h
+ jr 00105$
+00102$:
+;usart.c:86: read_count++;
+ inc -6 (ix)
+ jr NZ,00105$
+ inc -5 (ix)
+ jr 00105$
+00107$:
+;usart.c:90: return read_count;
+ pop hl
+ push hl
+ ld sp, ix
+ pop ix
+ ret
+ .area _CODE
+ .area _INITIALIZER
+__xinit___usart:
+ .dw #0x4000
+ .area _CABS (ABS)
diff --git a/sw/z80/drivers/build/usart.lst b/sw/z80/drivers/build/usart.lst
new file mode 100644
index 0000000..65365fe
--- /dev/null
+++ b/sw/z80/drivers/build/usart.lst
@@ -0,0 +1,440 @@
+ 1 ;--------------------------------------------------------
+ 2 ; File Created by SDCC : free open source ANSI-C Compiler
+ 3 ; Version 3.6.0 #9615 (Linux)
+ 4 ;--------------------------------------------------------
+ 5 .module usart
+ 6 .optsdcc -mz80
+ 7
+ 8 ;--------------------------------------------------------
+ 9 ; Public variables in this module
+ 10 ;--------------------------------------------------------
+ 11 .globl _usart_word_length
+ 12 .globl _usart_set_baudrate
+ 13 .globl _usart_set_parity
+ 14 .globl _usart_set_stop_bits
+ 15 .globl _usart_set_autoflow
+ 16 .globl _usart_init
+ 17 .globl _usart_transmit
+ 18 .globl _usart_receive
+ 19 .globl _usart_write
+ 20 .globl _usart_read
+ 21 ;--------------------------------------------------------
+ 22 ; special function registers
+ 23 ;--------------------------------------------------------
+ 24 ;--------------------------------------------------------
+ 25 ; ram data
+ 26 ;--------------------------------------------------------
+ 27 .area _DATA
+ 28 ;--------------------------------------------------------
+ 29 ; ram data
+ 30 ;--------------------------------------------------------
+ 31 .area _INITIALIZED
+ 0000 32 __usart:
+ 0000 33 .ds 2
+ 34 ;--------------------------------------------------------
+ 35 ; absolute external ram data
+ 36 ;--------------------------------------------------------
+ 37 .area _DABS (ABS)
+ 38 ;--------------------------------------------------------
+ 39 ; global & static initialisations
+ 40 ;--------------------------------------------------------
+ 41 .area _HOME
+ 42 .area _GSINIT
+ 43 .area _GSFINAL
+ 44 .area _GSINIT
+ 45 ;--------------------------------------------------------
+ 46 ; Home
+ 47 ;--------------------------------------------------------
+ 48 .area _HOME
+ 49 .area _HOME
+ 50 ;--------------------------------------------------------
+ 51 ; code
+ 52 ;--------------------------------------------------------
+ 53 .area _CODE
+ 54 ;usart.c:5: void usart_set_baudrate(uint16_t baudrate)
+ 55 ; ---------------------------------
+ 56 ; Function usart_set_baudrate
+ 57 ; ---------------------------------
+ 0000 58 _usart_set_baudrate::
+ 0000 DD E5 [15] 59 push ix
+ 0002 DD 21 00 00 [14] 60 ld ix,#0
+ 0006 DD 39 [15] 61 add ix,sp
+ 62 ;usart.c:8: _usart->LCR.divisor_latch_access = 1;
+ 0008 2Ar00r00 [16] 63 ld hl,(__usart)
+ 000B 01 04 00 [10] 64 ld bc,#0x0004
+ 000E 09 [11] 65 add hl,bc
+ 000F 7E [ 7] 66 ld a,(hl)
+ 0010 F6 80 [ 7] 67 or a,#0x80
+ 0012 77 [ 7] 68 ld (hl),a
+ 69 ;usart.c:9: _usart->buffer = 0x00FF & baudrate; // LSBs
+ 0013 2Ar00r00 [16] 70 ld hl,(__usart)
+ 0016 DD 4E 04 [19] 71 ld c,4 (ix)
+ 0019 71 [ 7] 72 ld (hl),c
+ 73 ;usart.c:10: memcpy(&_usart->IER, &(baudrate >>8), 1);
+ 001A ED 5Br00r00 [20] 74 ld de,(__usart)
+ 001E 13 [ 6] 75 inc de
+ 001F DD 6E 05 [19] 76 ld l,5 (ix)
+ 0022 26 00 [ 7] 77 ld h,#0x00
+ 0024 7E [ 7] 78 ld a, (hl)
+ 0025 12 [ 7] 79 ld (de), a
+ 80 ;usart.c:12: _usart->LCR.divisor_latch_access = 0;
+ 0026 2Ar00r00 [16] 81 ld hl,(__usart)
+ 0029 01 04 00 [10] 82 ld bc,#0x0004
+ 002C 09 [11] 83 add hl,bc
+ 002D 7E [ 7] 84 ld a,(hl)
+ 002E E6 7F [ 7] 85 and a,#0x7f
+ 0030 77 [ 7] 86 ld (hl),a
+ 0031 DD E1 [14] 87 pop ix
+ 0033 C9 [10] 88 ret
+ 89 ;usart.c:15: void usart_set_parity(int mode)
+ 90 ; ---------------------------------
+ 91 ; Function usart_set_parity
+ 92 ; ---------------------------------
+ 0034 93 _usart_set_parity::
+ 94 ;usart.c:18: _usart->LCR.even_parity = 1;
+ 0034 2Ar00r00 [16] 95 ld hl,(__usart)
+ 0037 01 04 00 [10] 96 ld bc,#0x0004
+ 003A 09 [11] 97 add hl,bc
+ 98 ;usart.c:17: if (mode == USART_PARITY_EVEN) {
+ 003B FD 21 02 00 [14] 99 ld iy,#2
+ 003F FD 39 [15] 100 add iy,sp
+ 0041 FD 7E 00 [19] 101 ld a,0 (iy)
+ 0044 3D [ 4] 102 dec a
+ 0045 20 0C [12] 103 jr NZ,00104$
+ 0047 FD 7E 01 [19] 104 ld a,1 (iy)
+ 004A B7 [ 4] 105 or a, a
+ 004B 20 06 [12] 106 jr NZ,00104$
+ 107 ;usart.c:18: _usart->LCR.even_parity = 1;
+ 004D 7E [ 7] 108 ld a,(hl)
+ 004E F6 10 [ 7] 109 or a,#0x10
+ 0050 77 [ 7] 110 ld (hl),a
+ 0051 18 17 [12] 111 jr 00105$
+ 0053 112 00104$:
+ 113 ;usart.c:20: else if (mode == USART_PARITY_ODD) {
+ 0053 FD 21 02 00 [14] 114 ld iy,#2
+ 0057 FD 39 [15] 115 add iy,sp
+ 0059 FD 7E 00 [19] 116 ld a,0 (iy)
+ 005C D6 02 [ 7] 117 sub a, #0x02
+ 005E 20 0A [12] 118 jr NZ,00105$
+ 0060 FD 7E 01 [19] 119 ld a,1 (iy)
+ 0063 B7 [ 4] 120 or a, a
+ 0064 20 04 [12] 121 jr NZ,00105$
+ 122 ;usart.c:21: _usart->LCR.even_parity = 0;
+ 0066 7E [ 7] 123 ld a,(hl)
+ 0067 E6 EF [ 7] 124 and a,#0xef
+ 0069 77 [ 7] 125 ld (hl),a
+ 006A 126 00105$:
+ 127 ;usart.c:24: _usart->LCR.parity = (mode == USART_PARITY_NONE) ? 0 : 1;
+ 006A 2Ar00r00 [16] 128 ld hl,(__usart)
+ 006D 01 04 00 [10] 129 ld bc,#0x0004
+ 0070 09 [11] 130 add hl,bc
+ 0071 FD 21 02 00 [14] 131 ld iy,#2
+ 0075 FD 39 [15] 132 add iy,sp
+ 0077 FD 7E 00 [19] 133 ld a,0 (iy)
+ 007A 07 [ 4] 134 rlca
+ 007B 07 [ 4] 135 rlca
+ 007C 07 [ 4] 136 rlca
+ 007D E6 F8 [ 7] 137 and a,#0xf8
+ 007F E6 08 [ 7] 138 and a,#0x08
+ 0081 4F [ 4] 139 ld c,a
+ 0082 7E [ 7] 140 ld a,(hl)
+ 0083 E6 F7 [ 7] 141 and a,#0xf7
+ 0085 B1 [ 4] 142 or a,c
+ 0086 77 [ 7] 143 ld (hl),a
+ 0087 C9 [10] 144 ret
+ 145 ;usart.c:27: void usart_set_stop_bits(int count)
+ 146 ; ---------------------------------
+ 147 ; Function usart_set_stop_bits
+ 148 ; ---------------------------------
+ 0088 149 _usart_set_stop_bits::
+ 150 ;usart.c:29: _usart->LCR.stop_bits = (count == USART_STOP_BITS_1) ? 0 : 1;
+ 0088 ED 4Br00r00 [20] 151 ld bc,(__usart)
+ 008C 03 [ 6] 152 inc bc
+ 008D 03 [ 6] 153 inc bc
+ 008E 03 [ 6] 154 inc bc
+ 008F 03 [ 6] 155 inc bc
+ 0090 FD 21 02 00 [14] 156 ld iy,#2
+ 0094 FD 39 [15] 157 add iy,sp
+ 0096 FD 7E 00 [19] 158 ld a,0 (iy)
+ 0099 D6 0A [ 7] 159 sub a, #0x0a
+ 009B 20 0A [12] 160 jr NZ,00103$
+ 009D FD 7E 01 [19] 161 ld a,1 (iy)
+ 00A0 B7 [ 4] 162 or a, a
+ 00A1 20 04 [12] 163 jr NZ,00103$
+ 00A3 3E 01 [ 7] 164 ld a,#0x01
+ 00A5 18 01 [12] 165 jr 00104$
+ 00A7 166 00103$:
+ 00A7 AF [ 4] 167 xor a,a
+ 00A8 168 00104$:
+ 00A8 EE 01 [ 7] 169 xor a, #0x01
+ 00AA 87 [ 4] 170 add a, a
+ 00AB 87 [ 4] 171 add a, a
+ 00AC E6 04 [ 7] 172 and a,#0x04
+ 00AE 6F [ 4] 173 ld l,a
+ 00AF 0A [ 7] 174 ld a,(bc)
+ 00B0 E6 FB [ 7] 175 and a,#0xfb
+ 00B2 B5 [ 4] 176 or a,l
+ 00B3 02 [ 7] 177 ld (bc),a
+ 00B4 C9 [10] 178 ret
+ 179 ;usart.c:32: void usart_word_length(int length)
+ 180 ; ---------------------------------
+ 181 ; Function usart_word_length
+ 182 ; ---------------------------------
+ 00B5 183 _usart_word_length::
+ 184 ;usart.c:34: _usart->LCR.word_length = length;
+ 00B5 2Ar00r00 [16] 185 ld hl,(__usart)
+ 00B8 01 04 00 [10] 186 ld bc,#0x0004
+ 00BB 09 [11] 187 add hl,bc
+ 00BC FD 21 02 00 [14] 188 ld iy,#2
+ 00C0 FD 39 [15] 189 add iy,sp
+ 00C2 FD 7E 00 [19] 190 ld a,0 (iy)
+ 00C5 E6 03 [ 7] 191 and a,#0x03
+ 00C7 4F [ 4] 192 ld c,a
+ 00C8 7E [ 7] 193 ld a,(hl)
+ 00C9 E6 FC [ 7] 194 and a,#0xfc
+ 00CB B1 [ 4] 195 or a,c
+ 00CC 77 [ 7] 196 ld (hl),a
+ 00CD C9 [10] 197 ret
+ 198 ;usart.c:37: void usart_set_autoflow(int mode)
+ 199 ; ---------------------------------
+ 200 ; Function usart_set_autoflow
+ 201 ; ---------------------------------
+ 00CE 202 _usart_set_autoflow::
+ 203 ;usart.c:39: _usart->MCR.autoflow = (mode == USART_AUTOFLOW_OFF) ? 0 : 1;
+ 00CE 2Ar00r00 [16] 204 ld hl,(__usart)
+ 00D1 01 0C 00 [10] 205 ld bc,#0x000c
+ 00D4 09 [11] 206 add hl,bc
+ 00D5 FD 21 02 00 [14] 207 ld iy,#2
+ 00D9 FD 39 [15] 208 add iy,sp
+ 00DB FD 7E 00 [19] 209 ld a,0 (iy)
+ 00DE E6 01 [ 7] 210 and a,#0x01
+ 00E0 4F [ 4] 211 ld c,a
+ 00E1 7E [ 7] 212 ld a,(hl)
+ 00E2 E6 FE [ 7] 213 and a,#0xfe
+ 00E4 B1 [ 4] 214 or a,c
+ 00E5 77 [ 7] 215 ld (hl),a
+ 216 ;usart.c:40: _usart->MCR.data_terminal_ready = (mode == USART_AUTOFLOW_ALL);
+ 00E6 2Ar00r00 [16] 217 ld hl,(__usart)
+ 00E9 01 05 00 [10] 218 ld bc,#0x0005
+ 00EC 09 [11] 219 add hl,bc
+ 00ED FD 7E 00 [19] 220 ld a,0 (iy)
+ 00F0 D6 03 [ 7] 221 sub a, #0x03
+ 00F2 20 0A [12] 222 jr NZ,00103$
+ 00F4 FD 7E 01 [19] 223 ld a,1 (iy)
+ 00F7 B7 [ 4] 224 or a, a
+ 00F8 20 04 [12] 225 jr NZ,00103$
+ 00FA 3E 01 [ 7] 226 ld a,#0x01
+ 00FC 18 01 [12] 227 jr 00104$
+ 00FE 228 00103$:
+ 00FE AF [ 4] 229 xor a,a
+ 00FF 230 00104$:
+ 00FF E6 01 [ 7] 231 and a,#0x01
+ 0101 4F [ 4] 232 ld c,a
+ 0102 7E [ 7] 233 ld a,(hl)
+ 0103 E6 FE [ 7] 234 and a,#0xfe
+ 0105 B1 [ 4] 235 or a,c
+ 0106 77 [ 7] 236 ld (hl),a
+ 0107 C9 [10] 237 ret
+ 238 ;usart.c:43: inline void usart_init(uint16_t baudrate, int parity, int stop_bits)
+ 239 ; ---------------------------------
+ 240 ; Function usart_init
+ 241 ; ---------------------------------
+ 0108 242 _usart_init::
+ 243 ;usart.c:45: usart_set_baudrate(baudrate);
+ 0108 C1 [10] 244 pop bc
+ 0109 E1 [10] 245 pop hl
+ 010A E5 [11] 246 push hl
+ 010B C5 [11] 247 push bc
+ 010C E5 [11] 248 push hl
+ 010D CDr00r00 [17] 249 call _usart_set_baudrate
+ 0110 F1 [10] 250 pop af
+ 251 ;usart.c:46: usart_set_parity(parity);
+ 0111 21 04 00 [10] 252 ld hl, #4
+ 0114 39 [11] 253 add hl, sp
+ 0115 4E [ 7] 254 ld c, (hl)
+ 0116 23 [ 6] 255 inc hl
+ 0117 46 [ 7] 256 ld b, (hl)
+ 0118 C5 [11] 257 push bc
+ 0119 CDr34r00 [17] 258 call _usart_set_parity
+ 011C F1 [10] 259 pop af
+ 260 ;usart.c:47: usart_set_stop_bits(stop_bits);
+ 011D 21 06 00 [10] 261 ld hl, #6
+ 0120 39 [11] 262 add hl, sp
+ 0121 4E [ 7] 263 ld c, (hl)
+ 0122 23 [ 6] 264 inc hl
+ 0123 46 [ 7] 265 ld b, (hl)
+ 0124 C5 [11] 266 push bc
+ 0125 CDr88r00 [17] 267 call _usart_set_stop_bits
+ 268 ;usart.c:48: usart_set_autoflow(USART_AUTOFLOW_OFF);
+ 0128 21 00 00 [10] 269 ld hl, #0x0000
+ 012B E3 [19] 270 ex (sp),hl
+ 012C CDrCEr00 [17] 271 call _usart_set_autoflow
+ 012F F1 [10] 272 pop af
+ 0130 C9 [10] 273 ret
+ 274 ;usart.c:51: void usart_transmit(uint8_t data)
+ 275 ; ---------------------------------
+ 276 ; Function usart_transmit
+ 277 ; ---------------------------------
+ 0131 278 _usart_transmit::
+ 279 ;usart.c:53: _usart->buffer = data;
+ 0131 2Ar00r00 [16] 280 ld hl,(__usart)
+ 0134 FD 21 02 00 [14] 281 ld iy,#2
+ 0138 FD 39 [15] 282 add iy,sp
+ 013A FD 7E 00 [19] 283 ld a,0 (iy)
+ 013D 77 [ 7] 284 ld (hl),a
+ 285 ;usart.c:54: while (_usart->LSR.transmitter_holder_empty == 0); // wait
+ 013E 286 00101$:
+ 013E 2Ar00r00 [16] 287 ld hl,(__usart)
+ 0141 01 0D 00 [10] 288 ld bc,#0x000d
+ 0144 09 [11] 289 add hl,bc
+ 0145 7E [ 7] 290 ld a,(hl)
+ 0146 07 [ 4] 291 rlca
+ 0147 07 [ 4] 292 rlca
+ 0148 07 [ 4] 293 rlca
+ 0149 30 F3 [12] 294 jr NC,00101$
+ 014B C9 [10] 295 ret
+ 296 ;usart.c:57: uint8_t usart_receive()
+ 297 ; ---------------------------------
+ 298 ; Function usart_receive
+ 299 ; ---------------------------------
+ 014C 300 _usart_receive::
+ 301 ;usart.c:59: return _usart->buffer;
+ 014C 2Ar00r00 [16] 302 ld hl,(__usart)
+ 014F 6E [ 7] 303 ld l,(hl)
+ 0150 C9 [10] 304 ret
+ 305 ;usart.c:62: int usart_write(uint8_t *data, size_t size)
+ 306 ; ---------------------------------
+ 307 ; Function usart_write
+ 308 ; ---------------------------------
+ 0151 309 _usart_write::
+ 0151 DD E5 [15] 310 push ix
+ 0153 DD 21 00 00 [14] 311 ld ix,#0
+ 0157 DD 39 [15] 312 add ix,sp
+ 0159 F5 [11] 313 push af
+ 314 ;usart.c:64: uint8_t *dp = data;
+ 015A DD 7E 04 [19] 315 ld a,4 (ix)
+ 015D DD 77 FE [19] 316 ld -2 (ix),a
+ 0160 DD 7E 05 [19] 317 ld a,5 (ix)
+ 0163 DD 77 FF [19] 318 ld -1 (ix),a
+ 319 ;usart.c:66: while (size--) {
+ 0166 DD 4E 06 [19] 320 ld c,6 (ix)
+ 0169 DD 46 07 [19] 321 ld b,7 (ix)
+ 016C 322 00104$:
+ 016C 59 [ 4] 323 ld e, c
+ 016D 50 [ 4] 324 ld d, b
+ 016E 0B [ 6] 325 dec bc
+ 016F 7A [ 4] 326 ld a,d
+ 0170 B3 [ 4] 327 or a,e
+ 0171 28 1E [12] 328 jr Z,00106$
+ 329 ;usart.c:67: _usart->buffer = *(dp++);
+ 0173 ED 5Br00r00 [20] 330 ld de,(__usart)
+ 0177 E1 [10] 331 pop hl
+ 0178 E5 [11] 332 push hl
+ 0179 7E [ 7] 333 ld a,(hl)
+ 017A DD 34 FE [23] 334 inc -2 (ix)
+ 017D 20 03 [12] 335 jr NZ,00126$
+ 017F DD 34 FF [23] 336 inc -1 (ix)
+ 0182 337 00126$:
+ 0182 12 [ 7] 338 ld (de),a
+ 339 ;usart.c:68: while (_usart->LSR.transmitter_empty);
+ 0183 340 00101$:
+ 0183 2Ar00r00 [16] 341 ld hl,(__usart)
+ 0186 11 0D 00 [10] 342 ld de,#0x000d
+ 0189 19 [11] 343 add hl,de
+ 018A 7E [ 7] 344 ld a,(hl)
+ 018B 07 [ 4] 345 rlca
+ 018C 07 [ 4] 346 rlca
+ 018D 30 DD [12] 347 jr NC,00104$
+ 018F 18 F2 [12] 348 jr 00101$
+ 0191 349 00106$:
+ 350 ;usart.c:72: return size;
+ 0191 69 [ 4] 351 ld l, c
+ 0192 60 [ 4] 352 ld h, b
+ 0193 DD F9 [10] 353 ld sp, ix
+ 0195 DD E1 [14] 354 pop ix
+ 0197 C9 [10] 355 ret
+ 356 ;usart.c:75: int usart_read(uint8_t *buffer, size_t count)
+ 357 ; ---------------------------------
+ 358 ; Function usart_read
+ 359 ; ---------------------------------
+ 0198 360 _usart_read::
+ 0198 DD E5 [15] 361 push ix
+ 019A DD 21 00 00 [14] 362 ld ix,#0
+ 019E DD 39 [15] 363 add ix,sp
+ 01A0 21 FA FF [10] 364 ld hl,#-6
+ 01A3 39 [11] 365 add hl,sp
+ 01A4 F9 [ 6] 366 ld sp,hl
+ 367 ;usart.c:77: uint8_t *bp = buffer;
+ 01A5 DD 7E 04 [19] 368 ld a,4 (ix)
+ 01A8 DD 77 FC [19] 369 ld -4 (ix),a
+ 01AB DD 7E 05 [19] 370 ld a,5 (ix)
+ 01AE DD 77 FD [19] 371 ld -3 (ix),a
+ 372 ;usart.c:80: while (count--) {
+ 01B1 DD 4E 06 [19] 373 ld c,6 (ix)
+ 01B4 DD 46 07 [19] 374 ld b,7 (ix)
+ 01B7 21 00 00 [10] 375 ld hl,#0x0000
+ 01BA E3 [19] 376 ex (sp), hl
+ 01BB 377 00105$:
+ 01BB 59 [ 4] 378 ld e, c
+ 01BC 50 [ 4] 379 ld d, b
+ 01BD 0B [ 6] 380 dec bc
+ 01BE 7A [ 4] 381 ld a,d
+ 01BF B3 [ 4] 382 or a,e
+ 01C0 28 55 [12] 383 jr Z,00107$
+ 384 ;usart.c:81: *(bp++) = _usart->buffer;
+ 01C2 2Ar00r00 [16] 385 ld hl,(__usart)
+ 01C5 5E [ 7] 386 ld e,(hl)
+ 01C6 DD 6E FC [19] 387 ld l,-4 (ix)
+ 01C9 DD 66 FD [19] 388 ld h,-3 (ix)
+ 01CC 73 [ 7] 389 ld (hl),e
+ 01CD DD 34 FC [23] 390 inc -4 (ix)
+ 01D0 20 03 [12] 391 jr NZ,00123$
+ 01D2 DD 34 FD [23] 392 inc -3 (ix)
+ 01D5 393 00123$:
+ 01D5 ED 5Br00r00 [20] 394 ld de,(__usart)
+ 395 ;usart.c:83: if (_usart->LSR.framing_error || _usart->LSR.parity_error) {
+ 01D9 21 0D 00 [10] 396 ld hl,#0x000d
+ 01DC 19 [11] 397 add hl,de
+ 01DD DD 75 FE [19] 398 ld -2 (ix),l
+ 01E0 DD 74 FF [19] 399 ld -1 (ix),h
+ 01E3 DD 6E FE [19] 400 ld l,-2 (ix)
+ 01E6 DD 66 FF [19] 401 ld h,-1 (ix)
+ 01E9 7E [ 7] 402 ld a,(hl)
+ 01EA 0F [ 4] 403 rrca
+ 01EB 0F [ 4] 404 rrca
+ 01EC 0F [ 4] 405 rrca
+ 01ED E6 01 [ 7] 406 and a,#0x01
+ 01EF 20 0D [12] 407 jr NZ,00101$
+ 01F1 DD 6E FE [19] 408 ld l,-2 (ix)
+ 01F4 DD 66 FF [19] 409 ld h,-1 (ix)
+ 01F7 7E [ 7] 410 ld a,(hl)
+ 01F8 0F [ 4] 411 rrca
+ 01F9 0F [ 4] 412 rrca
+ 01FA E6 01 [ 7] 413 and a,#0x01
+ 01FC 28 0F [12] 414 jr Z,00102$
+ 01FE 415 00101$:
+ 416 ;usart.c:84: bp--; // delete last byte (?)
+ 01FE DD 6E FC [19] 417 ld l,-4 (ix)
+ 0201 DD 66 FD [19] 418 ld h,-3 (ix)
+ 0204 2B [ 6] 419 dec hl
+ 0205 DD 75 FC [19] 420 ld -4 (ix),l
+ 0208 DD 74 FD [19] 421 ld -3 (ix),h
+ 020B 18 AE [12] 422 jr 00105$
+ 020D 423 00102$:
+ 424 ;usart.c:86: read_count++;
+ 020D DD 34 FA [23] 425 inc -6 (ix)
+ 0210 20 A9 [12] 426 jr NZ,00105$
+ 0212 DD 34 FB [23] 427 inc -5 (ix)
+ 0215 18 A4 [12] 428 jr 00105$
+ 0217 429 00107$:
+ 430 ;usart.c:90: return read_count;
+ 0217 E1 [10] 431 pop hl
+ 0218 E5 [11] 432 push hl
+ 0219 DD F9 [10] 433 ld sp, ix
+ 021B DD E1 [14] 434 pop ix
+ 021D C9 [10] 435 ret
+ 436 .area _CODE
+ 437 .area _INITIALIZER
+ 0000 438 __xinit___usart:
+ 0000 00 40 439 .dw #0x4000
+ 440 .area _CABS (ABS)
diff --git a/sw/z80/drivers/build/usart.rel b/sw/z80/drivers/build/usart.rel
new file mode 100644
index 0000000..29ad600
--- /dev/null
+++ b/sw/z80/drivers/build/usart.rel
@@ -0,0 +1,184 @@
+XL2
+H 9 areas B global symbols
+M usart
+O -mz80
+S .__.ABS. Def0000
+A _CODE size 21E flags 0 addr 0
+S _usart_read Def0198
+S _usart_set_autoflow Def00CE
+S _usart_word_length Def00B5
+S _usart_receive Def014C
+S _usart_write Def0151
+S _usart_transmit Def0131
+S _usart_set_baudrate Def0000
+S _usart_init Def0108
+S _usart_set_stop_bits Def0088
+S _usart_set_parity Def0034
+A _DATA size 0 flags 0 addr 0
+A _INITIALIZED size 2 flags 0 addr 0
+A _DABS size 0 flags 8 addr 0
+A _HOME size 0 flags 0 addr 0
+A _GSINIT size 0 flags 0 addr 0
+A _GSFINAL size 0 flags 0 addr 0
+A _INITIALIZER size 2 flags 0 addr 0
+A _CABS size 0 flags 8 addr 0
+T 00 00
+R 00 00 02 00
+T 00 00
+R 00 00 02 00
+T 00 00
+R 00 00 00 00
+T 00 00 DD E5 DD 21 00 00 DD 39 2A 00 00 01 04 00
+R 00 00 00 00 00 0B 02 00
+T 0E 00 09 7E F6 80 77 2A 00 00 DD 4E 04 71 ED 5B
+R 00 00 00 00 00 08 02 00
+T 1C 00 00 00 13 DD 6E 05 26 00 7E 12 2A 00 00 01
+R 00 00 00 00 00 02 02 00 00 0D 02 00
+T 2A 00 04 00 09 7E E6 7F 77 DD E1 C9
+R 00 00 00 00
+T 34 00
+R 00 00 00 00
+T 34 00 2A 00 00 01 04 00 09 FD 21 02 00 FD 39 FD
+R 00 00 00 00 00 03 02 00
+T 42 00 7E 00 3D 20 0C FD 7E 01 B7 20 06 7E F6 10
+R 00 00 00 00
+T 50 00 77 18 17
+R 00 00 00 00
+T 53 00
+R 00 00 00 00
+T 53 00 FD 21 02 00 FD 39 FD 7E 00 D6 02 20 0A FD
+R 00 00 00 00
+T 61 00 7E 01 B7 20 04 7E E6 EF 77
+R 00 00 00 00
+T 6A 00
+R 00 00 00 00
+T 6A 00 2A 00 00 01 04 00 09 FD 21 02 00 FD 39 FD
+R 00 00 00 00 00 03 02 00
+T 78 00 7E 00 07 07 07 E6 F8 E6 08 4F 7E E6 F7 B1
+R 00 00 00 00
+T 86 00 77 C9
+R 00 00 00 00
+T 88 00
+R 00 00 00 00
+T 88 00 ED 4B 00 00 03 03 03 03 FD 21 02 00 FD 39
+R 00 00 00 00 00 04 02 00
+T 96 00 FD 7E 00 D6 0A 20 0A FD 7E 01 B7 20 04 3E
+R 00 00 00 00
+T A4 00 01 18 01
+R 00 00 00 00
+T A7 00
+R 00 00 00 00
+T A7 00 AF
+R 00 00 00 00
+T A8 00
+R 00 00 00 00
+T A8 00 EE 01 87 87 E6 04 6F 0A E6 FB B5 02 C9
+R 00 00 00 00
+T B5 00
+R 00 00 00 00
+T B5 00 2A 00 00 01 04 00 09 FD 21 02 00 FD 39 FD
+R 00 00 00 00 00 03 02 00
+T C3 00 7E 00 E6 03 4F 7E E6 FC B1 77 C9
+R 00 00 00 00
+T CE 00
+R 00 00 00 00
+T CE 00 2A 00 00 01 0C 00 09 FD 21 02 00 FD 39 FD
+R 00 00 00 00 00 03 02 00
+T DC 00 7E 00 E6 01 4F 7E E6 FE B1 77 2A 00 00 01
+R 00 00 00 00 00 0D 02 00
+T EA 00 05 00 09 FD 7E 00 D6 03 20 0A FD 7E 01 B7
+R 00 00 00 00
+T F8 00 20 04 3E 01 18 01
+R 00 00 00 00
+T FE 00
+R 00 00 00 00
+T FE 00 AF
+R 00 00 00 00
+T FF 00
+R 00 00 00 00
+T FF 00 E6 01 4F 7E E6 FE B1 77 C9
+R 00 00 00 00
+T 08 01
+R 00 00 00 00
+T 08 01 C1 E1 E5 C5 E5 CD 00 00 F1 21 04 00 39 4E
+R 00 00 00 00 00 08 00 00
+T 16 01 23 46 C5 CD 34 00 F1 21 06 00 39 4E 23 46
+R 00 00 00 00 00 06 00 00
+T 24 01 C5 CD 88 00 21 00 00 E3 CD CE 00 F1 C9
+R 00 00 00 00 00 04 00 00 00 0B 00 00
+T 31 01
+R 00 00 00 00
+T 31 01 2A 00 00 FD 21 02 00 FD 39 FD 7E 00 77
+R 00 00 00 00 00 03 02 00
+T 3E 01
+R 00 00 00 00
+T 3E 01 2A 00 00 01 0D 00 09 7E 07 07 07 30 F3 C9
+R 00 00 00 00 00 03 02 00
+T 4C 01
+R 00 00 00 00
+T 4C 01 2A 00 00 6E C9
+R 00 00 00 00 00 03 02 00
+T 51 01
+R 00 00 00 00
+T 51 01 DD E5 DD 21 00 00 DD 39 F5 DD 7E 04 DD 77
+R 00 00 00 00
+T 5F 01 FE DD 7E 05 DD 77 FF DD 4E 06 DD 46 07
+R 00 00 00 00
+T 6C 01
+R 00 00 00 00
+T 6C 01 59 50 0B 7A B3 28 1E ED 5B 00 00 E1 E5 7E
+R 00 00 00 00 00 0B 02 00
+T 7A 01 DD 34 FE 20 03 DD 34 FF
+R 00 00 00 00
+T 82 01
+R 00 00 00 00
+T 82 01 12
+R 00 00 00 00
+T 83 01
+R 00 00 00 00
+T 83 01 2A 00 00 11 0D 00 19 7E 07 07 30 DD 18 F2
+R 00 00 00 00 00 03 02 00
+T 91 01
+R 00 00 00 00
+T 91 01 69 60 DD F9 DD E1 C9
+R 00 00 00 00
+T 98 01
+R 00 00 00 00
+T 98 01 DD E5 DD 21 00 00 DD 39 21 FA FF 39 F9 DD
+R 00 00 00 00
+T A6 01 7E 04 DD 77 FC DD 7E 05 DD 77 FD DD 4E 06
+R 00 00 00 00
+T B4 01 DD 46 07 21 00 00 E3
+R 00 00 00 00
+T BB 01
+R 00 00 00 00
+T BB 01 59 50 0B 7A B3 28 55 2A 00 00 5E DD 6E FC
+R 00 00 00 00 00 0A 02 00
+T C9 01 DD 66 FD 73 DD 34 FC 20 03 DD 34 FD
+R 00 00 00 00
+T D5 01
+R 00 00 00 00
+T D5 01 ED 5B 00 00 21 0D 00 19 DD 75 FE DD 74 FF
+R 00 00 00 00 00 04 02 00
+T E3 01 DD 6E FE DD 66 FF 7E 0F 0F 0F E6 01 20 0D
+R 00 00 00 00
+T F1 01 DD 6E FE DD 66 FF 7E 0F 0F E6 01 28 0F
+R 00 00 00 00
+T FE 01
+R 00 00 00 00
+T FE 01 DD 6E FC DD 66 FD 2B DD 75 FC DD 74 FD 18
+R 00 00 00 00
+T 0C 02 AE
+R 00 00 00 00
+T 0D 02
+R 00 00 00 00
+T 0D 02 DD 34 FA 20 A9 DD 34 FB 18 A4
+R 00 00 00 00
+T 17 02
+R 00 00 00 00
+T 17 02 E1 E5 DD F9 DD E1 C9
+R 00 00 00 00
+T 00 00
+R 00 00 07 00
+T 00 00 00 40
+R 00 00 07 00
diff --git a/sw/z80/drivers/build/usart.sym b/sw/z80/drivers/build/usart.sym
new file mode 100644
index 0000000..71004e3
--- /dev/null
+++ b/sw/z80/drivers/build/usart.sym
@@ -0,0 +1,38 @@
+ ASxxxx Assembler V02.00 + NoICE + SDCC mods (Zilog Z80 / Hitachi HD64180), page 1.
+Hexadecimal [16-Bits]
+
+Symbol Table
+
+ .__.$$$. = 2710 L
+ .__.ABS. = 0000 G
+ .__.CPU. = 0000 L
+ .__.H$L. = 0000 L
+ 2 __usart 0000 R
+ 7 __xinit___usart 0000 R
+ 0 _usart_init 0108 GR
+ 0 _usart_read 0198 GR
+ 0 _usart_receive 014C GR
+ 0 _usart_set_autoflow 00CE GR
+ 0 _usart_set_baudrate 0000 GR
+ 0 _usart_set_parity 0034 GR
+ 0 _usart_set_stop_bits 0088 GR
+ 0 _usart_transmit 0131 GR
+ 0 _usart_word_length 00B5 GR
+ 0 _usart_write 0151 GR
+
+
+ ASxxxx Assembler V02.00 + NoICE + SDCC mods (Zilog Z80 / Hitachi HD64180), page 2.
+Hexadecimal [16-Bits]
+
+Area Table
+
+ 0 _CODE size 21E flags 0
+ 1 _DATA size 0 flags 0
+ 2 _INITIALIZED size 2 flags 0
+ 3 _DABS size 0 flags 8
+ 4 _HOME size 0 flags 0
+ 5 _GSINIT size 0 flags 0
+ 6 _GSFINAL size 0 flags 0
+ 7 _INITIALIZER size 2 flags 0
+ 8 _CABS size 0 flags 8
+
generated by cgit v1.2.1 (git 2.18.0) at 2024-12-24 04:12:38 +0100