RaySollium99/picodrive
1
0
Fork 0
mirror of https://github.com/RaySollium99/picodrive.git synced 2025-09-05 07:17:45 -04:00
Code Issues Projects Releases Packages Wiki Activity Actions

sms, add system select option

Browse source
This commit is contained in:
kub 2021-10-19 22:45:32 +02:00
parent cc1547e8cd
commit 280bfc3ca7
9 changed files with 97 additions and 28 deletions
Download patch file Download diff file Expand all files Collapse all files

28
pico/sms.c
View file

@ -335,6 +335,24 @@ void PicoResetMS(void)
ymflag = 0xffff;
Pico.m.dirtyPal = 1;
if (PicoIn.hwSelect) {
switch (PicoIn.hwSelect) {
case PHWS_GG: Pico.m.hardware |= 0x1; break;
default: Pico.m.hardware &= ~0x1; break;
}
} else {
unsigned tmr;
// check if the ROM header contains more system information to detect GG
for (tmr = 0x2000; tmr < 0xbfff && tmr <= Pico.romsize; tmr *= 2) {
if (!memcmp(Pico.rom + tmr-16, "TMR SEGA", 8)) {
if (Pico.rom[tmr-1] >= 0x50 && Pico.rom[tmr-1] < 0x80)
Pico.m.hardware |= 0x1;
break;
}
}
}
// reset memory mapping
PicoMemSetupMS();
}
@ -342,7 +360,6 @@ void PicoResetMS(void)
void PicoPowerMS(void)
{
int s, tmp;
unsigned tmr;
memset(&PicoMem,0,sizeof(PicoMem));
memset(&Pico.video,0,sizeof(Pico.video));
@ -359,15 +376,6 @@ void PicoPowerMS(void)
tmp = 1 << s;
bank_mask = (tmp - 1) >> 14;
// check if the ROM header contains more system information to detect GG
for (tmr = 0x2000; tmr < 0xbfff && tmr <= Pico.romsize; tmr *= 2) {
if (!memcmp(Pico.rom + tmr-16, "TMR SEGA", 8)) {
if (Pico.rom[tmr-1] >= 0x50 && Pico.rom[tmr-1] < 0x80)
Pico.m.hardware |= 0x1;
break;
}
}
PicoReset();
}