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| 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 /device/lib/stm8/_strchr.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 'device/lib/stm8/_strchr.asm')
| -rw-r--r-- | device/lib/stm8/_strchr.asm | 93 |
1 files changed, 93 insertions, 0 deletions
diff --git a/device/lib/stm8/_strchr.asm b/device/lib/stm8/_strchr.asm new file mode 100644 index 0000000..9f0fd60 --- /dev/null +++ b/device/lib/stm8/_strchr.asm @@ -0,0 +1,93 @@ +;-------------------------------------------------------- +; File Created by SDCC : free open source ANSI-C Compiler +; Version 3.9.3 #11345 (Linux) +;-------------------------------------------------------- + .module _strchr + .optsdcc -mstm8 + +;-------------------------------------------------------- +; Public variables in this module +;-------------------------------------------------------- + .globl _strchr +;-------------------------------------------------------- +; ram data +;-------------------------------------------------------- + .area DATA +;-------------------------------------------------------- +; ram data +;-------------------------------------------------------- + .area INITIALIZED +;-------------------------------------------------------- +; absolute external ram data +;-------------------------------------------------------- + .area DABS (ABS) + +; default segment ordering for linker + .area HOME + .area GSINIT + .area GSFINAL + .area CONST + .area INITIALIZER + .area CODE + +;-------------------------------------------------------- +; global & static initialisations +;-------------------------------------------------------- + .area HOME + .area GSINIT + .area GSFINAL + .area GSINIT +;-------------------------------------------------------- +; Home +;-------------------------------------------------------- + .area HOME + .area HOME +;-------------------------------------------------------- +; code +;-------------------------------------------------------- + .area CODE +; ../_strchr.c: 36: char * strchr ( const char * string, int ch ) +; ----------------------------------------- +; function strchr +; ----------------------------------------- +_strchr: + push a +; ../_strchr.c: 39: while (*string && *string != ch) + ldw x, (0x04, sp) +00102$: + ld a, (x) + ld (0x01, sp), a + clrw y + ld a, (0x01, sp) + ld yl, a + exgw x, y + cpw x, (0x06, sp) + exgw x, y + jrne 00131$ + ld a, #0x01 + .byte 0x21 +00131$: + clr a +00132$: + tnz (0x01, sp) + jreq 00104$ + tnz a + jrne 00104$ +; ../_strchr.c: 40: string++; + incw x + jra 00102$ +00104$: +; ../_strchr.c: 42: if (*string == ch) + tnz a +; ../_strchr.c: 43: return((char *)string); + jrne 00107$ +; ../_strchr.c: 44: return ( NULL ); + clrw x +00107$: +; ../_strchr.c: 45: } + pop a + ret + .area CODE + .area CONST + .area INITIALIZER + .area CABS (ABS) |