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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/_itoa.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/_itoa.asm')
| -rw-r--r-- | device/lib/stm8/_itoa.asm | 185 |
1 files changed, 185 insertions, 0 deletions
diff --git a/device/lib/stm8/_itoa.asm b/device/lib/stm8/_itoa.asm new file mode 100644 index 0000000..8469595 --- /dev/null +++ b/device/lib/stm8/_itoa.asm @@ -0,0 +1,185 @@ +;-------------------------------------------------------- +; File Created by SDCC : free open source ANSI-C Compiler +; Version 3.9.3 #11345 (Linux) +;-------------------------------------------------------- + .module _itoa + .optsdcc -mstm8 + +;-------------------------------------------------------- +; Public variables in this module +;-------------------------------------------------------- + .globl __itoa + .globl __uitoa +;-------------------------------------------------------- +; 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 +; ../_itoa.c: 40: void _uitoa(unsigned int value, char* string, unsigned char radix) +; ----------------------------------------- +; function _uitoa +; ----------------------------------------- +__uitoa: + sub sp, #5 +; ../_itoa.c: 45: do { + clr (0x05, sp) +00103$: +; ../_itoa.c: 46: string[index] = '0' + (value % radix); + ld a, (0x05, sp) + ld xl, a + rlc a + clr a + sbc a, #0x00 + ld xh, a + addw x, (0x0a, sp) + ldw (0x01, sp), x + ld a, (0x0c, sp) + ld (0x04, sp), a + clr (0x03, sp) + ldw x, (0x08, sp) + ldw y, (0x03, sp) + divw x, y + ld a, yl + add a, #0x30 + ldw x, (0x01, sp) + ld (x), a +; ../_itoa.c: 47: if (string[index] > '9') + ldw x, (0x01, sp) + ld a, (x) + cp a, #0x39 + jrule 00102$ +; ../_itoa.c: 48: string[index] += 'A' - '9' - 1; + add a, #0x07 + ldw x, (0x01, sp) + ld (x), a +00102$: +; ../_itoa.c: 49: value /= radix; + ldw x, (0x08, sp) + ldw y, (0x03, sp) + divw x, y + ldw (0x08, sp), x +; ../_itoa.c: 50: ++index; + inc (0x05, sp) +; ../_itoa.c: 51: } while (value != 0); + ldw x, (0x08, sp) + jrne 00103$ +; ../_itoa.c: 54: string[index--] = '\0'; + ld a, (0x05, sp) + dec a + ld (0x04, sp), a + ld a, (0x05, sp) + ld xl, a + rlc a + clr a + sbc a, #0x00 + ld xh, a + addw x, (0x0a, sp) + clr (x) +; ../_itoa.c: 57: while (index > i) { + clr (0x05, sp) +00106$: + ld a, (0x04, sp) + cp a, (0x05, sp) + jrsle 00109$ +; ../_itoa.c: 58: char tmp = string[i]; + ld a, (0x05, sp) + ld xl, a + rlc a + clr a + sbc a, #0x00 + ld xh, a + addw x, (0x0a, sp) + exgw x, y + ld a, (y) + ld (0x03, sp), a +; ../_itoa.c: 59: string[i] = string[index]; + ld a, (0x04, sp) + ld xl, a + rlc a + clr a + sbc a, #0x00 + ld xh, a + addw x, (0x0a, sp) + ld a, (x) + ld (y), a +; ../_itoa.c: 60: string[index] = tmp; + ld a, (0x03, sp) + ld (x), a +; ../_itoa.c: 61: ++i; + inc (0x05, sp) +; ../_itoa.c: 62: --index; + dec (0x04, sp) + jra 00106$ +00109$: +; ../_itoa.c: 64: } + addw sp, #5 + ret +; ../_itoa.c: 66: void _itoa(int value, char* string, unsigned char radix) +; ----------------------------------------- +; function _itoa +; ----------------------------------------- +__itoa: +; ../_itoa.c: 68: if (value < 0 && radix == 10) { + tnz (0x03, sp) + jrpl 00102$ + ld a, (0x07, sp) + cp a, #0x0a + jrne 00102$ +; ../_itoa.c: 69: *string++ = '-'; + ldw x, (0x05, sp) + ld a, #0x2d + ld (x), a + incw x + ldw (0x05, sp), x +; ../_itoa.c: 70: value = -value; + ldw x, (0x03, sp) + negw x + ldw (0x03, sp), x +00102$: +; ../_itoa.c: 72: _uitoa(value, string, radix); + ld a, (0x07, sp) + push a + ldw x, (0x06, sp) + pushw x + ldw x, (0x06, sp) + pushw x + call __uitoa + addw sp, #5 +; ../_itoa.c: 73: } + ret + .area CODE + .area CONST + .area INITIALIZER + .area CABS (ABS) |
