diff options
| author | Xavier ASUS <xavi92psx@gmail.com> | 2019-10-18 00:31:54 +0200 |
|---|---|---|
| committer | Xavier ASUS <xavi92psx@gmail.com> | 2019-10-18 00:31:54 +0200 |
| commit | 268a53de823a6750d6256ee1fb1e7707b4b45740 (patch) | |
| tree | 42c1799a9a82b2f7d9790ee9fe181d72a7274751 /main_sdcc.asm | |
| download | sdcc-gas-268a53de823a6750d6256ee1fb1e7707b4b45740.tar.gz | |
sdcc-3.9.0 fork implementing GNU assembler syntax
This fork aims to provide better support for stm8-binutils
Diffstat (limited to 'main_sdcc.asm')
| -rw-r--r-- | main_sdcc.asm | 98 |
1 files changed, 98 insertions, 0 deletions
diff --git a/main_sdcc.asm b/main_sdcc.asm new file mode 100644 index 0000000..b9bb3a7 --- /dev/null +++ b/main_sdcc.asm @@ -0,0 +1,98 @@ +;-------------------------------------------------------- +; File Created by SDCC : free open source ANSI-C Compiler +; Version 3.9.3 #11345 (Linux) +;-------------------------------------------------------- + .module main_sdcc + .optsdcc -mstm8 + +;-------------------------------------------------------- +; Public variables in this module +;-------------------------------------------------------- + .globl _main +;-------------------------------------------------------- +; ram data +;-------------------------------------------------------- + .area DATA +;-------------------------------------------------------- +; ram data +;-------------------------------------------------------- + .area INITIALIZED +;-------------------------------------------------------- +; Stack segment in internal ram +;-------------------------------------------------------- + .area SSEG +__start__stack: + .ds 1 + +;-------------------------------------------------------- +; absolute external ram data +;-------------------------------------------------------- + .area DABS (ABS) + +; default segment ordering for linker + .area HOME + .area GSINIT + .area GSFINAL + .area CONST + .area INITIALIZER + .area CODE + +;-------------------------------------------------------- +; interrupt vector +;-------------------------------------------------------- + .area HOME +__interrupt_vect: + int s_GSINIT ; reset +;-------------------------------------------------------- +; global & static initialisations +;-------------------------------------------------------- + .area HOME + .area GSINIT + .area GSFINAL + .area GSINIT +__sdcc_gs_init_startup: +__sdcc_init_data: +; stm8_genXINIT() start + ldw x, #l_DATA + jreq 00002$ +00001$: + clr (s_DATA - 1, x) + decw x + jrne 00001$ +00002$: + ldw x, #l_INITIALIZER + jreq 00004$ +00003$: + ld a, (s_INITIALIZER - 1, x) + ld (s_INITIALIZED - 1, x), a + decw x + jrne 00003$ +00004$: +; stm8_genXINIT() end + .area GSFINAL + jp __sdcc_program_startup +;-------------------------------------------------------- +; Home +;-------------------------------------------------------- + .area HOME + .area HOME +__sdcc_program_startup: + jp _main +; return from main will return to caller +;-------------------------------------------------------- +; code +;-------------------------------------------------------- + .area CODE +; /home/xavier/main_sdcc.c: 1: int main() +; ----------------------------------------- +; function main +; ----------------------------------------- +_main: +; /home/xavier/main_sdcc.c: 3: return 0; + clrw x +; /home/xavier/main_sdcc.c: 4: } + ret + .area CODE + .area CONST + .area INITIALIZER + .area CABS (ABS) |