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-rw-r--r--sw/z80_tests/usart/crt0.s104
1 files changed, 0 insertions, 104 deletions
diff --git a/sw/z80_tests/usart/crt0.s b/sw/z80_tests/usart/crt0.s
deleted file mode 100644
index c272f06..0000000
--- a/sw/z80_tests/usart/crt0.s
+++ /dev/null
@@ -1,104 +0,0 @@
-;--------------------------------------------------------------------------
-; crt0.s - Generic crt0.s for a Z80
-;
-; Copyright (C) 2000, Michael Hope
-;
-; This library is free software; you can redistribute it and/or modify it
-; under the terms of the GNU General Public License as published by the
-; Free Software Foundation; either version 2, or (at your option) any
-; later version.
-;
-; This library is distributed in the hope that it will be useful,
-; but WITHOUT ANY WARRANTY; without even the implied warranty of
-; MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
-; GNU General Public License for more details.
-;
-; You should have received a copy of the GNU General Public License
-; along with this library; see the file COPYING. If not, write to the
-; Free Software Foundation, 51 Franklin Street, Fifth Floor, Boston,
-; MA 02110-1301, USA.
-;
-; As a special exception, if you link this library with other files,
-; some of which are compiled with SDCC, to produce an executable,
-; this library does not by itself cause the resulting executable to
-; be covered by the GNU General Public License. This exception does
-; not however invalidate any other reasons why the executable file
-; might be covered by the GNU General Public License.
-;--------------------------------------------------------------------------
-
- .module crt0
- .globl _main
-
- .area _HEADER (ABS)
- ;; Reset vector
- .org 0
- jp init
-
- .org 0x08
- reti
- .org 0x10
- reti
- .org 0x18
- reti
- .org 0x20
- reti
- .org 0x28
- reti
- .org 0x30
- reti
- .org 0x38
- reti
-
- .org 0x100
-init:
- ;; Set stack pointer directly above top of memory.
- ld sp,#0xFFFF
-
- ;; Initialise global variables
- call gsinit
- call _main
- jp _exit
-
- ;; Ordering of segments for the linker.
- .area _HOME
- .area _CODE
- .area _INITIALIZER
- .area _GSINIT
- .area _GSFINAL
-
- .area _DATA
- .area _INITIALIZED
- .area _BSEG
- .area _BSS
- .area _HEAP
-
- .area _CODE
-
-__clock::
- ld a,#2
- rst 0x08
- ret
-
-_exit::
- ;; Exit - special code to the emulator
- ld a,#0
- rst 0x08
-1$:
- halt
- jr 1$
-
- .area _GSINIT
-gsinit::
- ; ld bc, #l__INITIALIZER
- ld a, b
- or a, c
- jr Z, gsinit_next
- ; ld de, #s__INITIALIZED
- ; ld hl, #s__INITIALIZER
- ldir
-
-gsinit_next:
-
- .area _GSFINAL
- ret
-