From 3b2f2ea6c6fbfcb23ea9ab324c83d602d45a8820 Mon Sep 17 00:00:00 2001
From: Nao Pross <naopross@thearcway.org>
Date: Thu, 9 Nov 2017 13:17:35 +0100
Subject: Update makefile, and bug fix in pio driver and usart

---
 sw/z80/tests/asm/main.s   | 40 ++++++++++++++++++++++++++++++++++++++++
 sw/z80/tests/asm/makefile | 47 +++++++++++++++++++++++++++++++++++++++++++++++
 2 files changed, 87 insertions(+)
 create mode 100644 sw/z80/tests/asm/main.s
 create mode 100644 sw/z80/tests/asm/makefile

(limited to 'sw/z80/tests/asm')

diff --git a/sw/z80/tests/asm/main.s b/sw/z80/tests/asm/main.s
new file mode 100644
index 0000000..8cf4df0
--- /dev/null
+++ b/sw/z80/tests/asm/main.s
@@ -0,0 +1,40 @@
+    .module crt0
+    .area   _HEADER (ABS)
+
+;; Reset vectors
+    .org    0
+    jp  init
+
+    .org    0x38 ; the instruction 0xff (not written) resets to this location
+    jp init
+
+;; main code
+    .org    0x100
+    .globl  _main
+
+init:
+    ;; Set stack pointer directly above top of memory.
+    ld  sp,#0xffff
+
+    ;; Start of the program
+    call    _main
+    jp      _exit
+
+_exit:
+    halt
+    ; jp  _exit
+
+;; Ordering of segments for the linker.
+    .area   _HOME
+    .area   _CODE
+_main:
+    ret
+    .area   _INITIALIZER
+    .area   _GSINIT
+    .area   _GSFINAL
+
+    .area   _DATA
+    .area   _INITIALIZED
+    .area   _BSEG
+    .area   _BSS
+    .area   _HEAP
diff --git a/sw/z80/tests/asm/makefile b/sw/z80/tests/asm/makefile
new file mode 100644
index 0000000..413b0fe
--- /dev/null
+++ b/sw/z80/tests/asm/makefile
@@ -0,0 +1,47 @@
+####
+# source code settings
+#
+OSNAME := ram_test
+ 
+CSOURCES 	:=  $(wildcard *.s)
+
+OBJECTS 	:= $(patsubst %.s,build/%.rel,$(SOURCES))
+HEXFILE		:= build/$(OSNAME).hex
+BINARY  	:= build/$(OSNAME).bin
+
+### 
+# compiler settings
+#
+ASM		:= sdasz80
+LD		:= sdldz80
+
+FLAGS	:= 
+LDFLAGS :=
+
+.PHONY: flash dirs dis clean
+all: $(BINARY)
+
+flash: $(BINARY)
+	minipro -p M28C64 -w $< 
+
+# build binary
+$(BINARY): $(OBJECTS) dirs
+	$(LD) $(LDFLAGS) $(OBJECTS) -o $(HEXFILE)
+	makebin -s 8192 -yo 1 $(HEXFILE) $(BINARY)
+
+$(OBJECTS): build/%.rel : %.s $(SOURCES) dirs
+	@printf "\n"
+	$(ASM) $(FLAGS) $< -o
+
+build/crt0.rel: crt0.s
+	sdasz80 -o $<
+	@mv crt0.rel build/
+
+dirs:
+	mkdir -p build
+
+dis: $(BINARY)
+	r2 -a z80 $< -c 'pd 0x10; s 0x100; pd 10; s 0x200; pd 10'
+
+clean:
+	- rm -rd build
-- 
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