diff options
Diffstat (limited to 'libpcsxcore/psxbios.c')
| -rw-r--r-- | libpcsxcore/psxbios.c | 29 |
1 files changed, 28 insertions, 1 deletions
diff --git a/libpcsxcore/psxbios.c b/libpcsxcore/psxbios.c index b13874e..924996a 100644 --- a/libpcsxcore/psxbios.c +++ b/libpcsxcore/psxbios.c @@ -369,6 +369,33 @@ void psxBios_putc(void) // 0x09, 0x3B pc0 = ra; } +void psxBios_todigit(void) // 0x0a +{ + int c = a0; +#ifdef PSXBIOS_LOG + PSXBIOS_LOG("psxBios_%s\n", biosA0n[0x0a]); +#endif + c &= 0xFF; + if (c >= 0x30 && c < 0x3A) { + c -= 0x30; + } + else if (c > 0x60 && c < 0x7B) { + c -= 0x20; + } + else if (c > 0x40 && c < 0x5B) { + c = c - 0x41 + 10; + } + else if (c >= 0x80) { + c = -1; + } + else + { + c = 0x0098967F; + } + v0 = c; + pc0 = ra; +} + void psxBios_abs() { // 0x0e if ((s32)a0 < 0) v0 = -(s32)a0; else v0 = a0; @@ -2432,7 +2459,7 @@ void psxBiosInit() { //biosA0[0x07] = psxBios_sys_a0_07; biosA0[0x08] = psxBios_getc; biosA0[0x09] = psxBios_putc; - //biosA0[0x0a] = psxBios_todigit; + biosA0[0x0a] = psxBios_todigit; //biosA0[0x0b] = psxBios_atof; //biosA0[0x0c] = psxBios_strtoul; //biosA0[0x0d] = psxBios_strtol; |