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32x: improve 68k bios handling
[picodrive.git]
/
pico
/
sms.c
diff --git
a/pico/sms.c
b/pico/sms.c
index
748c326
..
ac81c2b
100644
(file)
--- a/
pico/sms.c
+++ b/
pico/sms.c
@@
-8,10
+8,8
@@
/*
* TODO:
* - start in a state as if BIOS ran
/*
* TODO:
* - start in a state as if BIOS ran
- * - remaining status flags (OVR/COL)
* - RAM support in mapper
* - region support
* - RAM support in mapper
* - region support
- * - SN76496 DAC-like usage
* - H counter
*/
#include "pico_int.h"
* - H counter
*/
#include "pico_int.h"
@@
-133,8
+131,9
@@
static void z80_sms_out(unsigned short a, unsigned char d)
case 0x40:
case 0x41:
case 0x40:
case 0x41:
- if (PicoIn.opt & POPT_EN_PSG)
- SN76496Write(d);
+ if ((d & 0x90) == 0x90 && Pico.snd.psg_line < Pico.m.scanline)
+ PsndDoPSG(Pico.m.scanline);
+ SN76496Write(d);
break;
case 0x80:
break;
case 0x80:
@@
-300,12
+299,16
@@
void PicoFrameMS(void)
}
}
}
}
+ // 224 because of how it's done for MD...
+ if (y == 224 && PicoIn.sndOut)
+ PsndGetSamplesMS();
+
cycles_aim += cycles_line;
cycles_done += z80_run((cycles_aim - cycles_done) >> 8) << 8;
}
cycles_aim += cycles_line;
cycles_done += z80_run((cycles_aim - cycles_done) >> 8) << 8;
}
- if (P
sndOut
)
- Psnd
GetSamplesMS(
);
+ if (P
icoIn.sndOut && Pico.snd.psg_line < lines
)
+ Psnd
DoPSG(lines - 1
);
}
void PicoFrameDrawOnlyMS(void)
}
void PicoFrameDrawOnlyMS(void)
@@
-319,3
+322,4
@@
void PicoFrameDrawOnlyMS(void)
PicoLineMode4(y);
}
PicoLineMode4(y);
}
+// vim:ts=2:sw=2:expandtab