trunk/src/emu/sound/scsp.c
| r21215 | r21216 | |
|---|
| 1041 | 1041 | v= *((unsigned short *) (scsp->DSP.EFREG+(addr-0xec0)/2)); |
| 1042 | 1042 | else |
| 1043 | 1043 | { |
| 1044 | | /* TODO: Kyuutenkai reads from 0xee0/0xee2, it's an undocumented "DSP internal buffer" register ... */ |
| 1044 | /* |
| 1045 | TODO: Kyuutenkai reads from 0xee0/0xee2, it's an undocumented "DSP internal buffer" register ... |
| 1046 | 004A3A: 207C 0010 0EE0 movea.l #$100ee0, A0 |
| 1047 | 004A40: 43EA 0090 lea ($90,A2), A1 |
| 1048 | 004A44: 6100 0254 bsr $4c9a |
| 1049 | 004A48: 207C 0010 0EE2 movea.l #$100ee2, A0 |
| 1050 | 004A4E: 43EA 0092 lea ($92,A2), A1 |
| 1051 | 004A52: 6100 0246 bsr $4c9a |
| 1052 | 004A56: 207C 0010 0ED2 movea.l #$100ed2, A0 |
| 1053 | 004A5C: 43EA 0094 lea ($94,A2), A1 |
| 1054 | 004A60: 6100 0238 bsr $4c9a |
| 1055 | 004A64: 3540 0096 move.w D0, ($96,A2) |
| 1056 | 004A68: 207C 0010 0ED4 movea.l #$100ed4, A0 |
| 1057 | 004A6E: 43EA 0098 lea ($98,A2), A1 |
| 1058 | 004A72: 6100 0226 bsr $4c9a |
| 1059 | 004A76: 3540 009A move.w D0, ($9a,A2) |
| 1060 | 004A7A: 207C 0010 0ED6 movea.l #$100ed6, A0 |
| 1061 | 004A80: 43EA 009C lea ($9c,A2), A1 |
| 1062 | 004A84: 6100 0214 bsr $4c9a |
| 1063 | 004A88: 3540 009E move.w D0, ($9e,A2) |
| 1064 | 004A8C: 4E75 rts |
| 1065 | |
| 1066 | 004C9A: 48E7 4000 movem.l D1, -(A7) |
| 1067 | 004C9E: 3010 move.w (A0), D0 ;reads from 0x100ee0/ee2 |
| 1068 | 004CA0: 4A40 tst.w D0 |
| 1069 | 004CA2: 6A00 0004 bpl $4ca8 |
| 1070 | 004CA6: 4440 neg.w D0 |
| 1071 | 004CA8: 3211 move.w (A1), D1 |
| 1072 | 004CAA: D041 add.w D1, D0 |
| 1073 | 004CAC: E248 lsr.w #1, D0 |
| 1074 | 004CAE: 3280 move.w D0, (A1) ;writes to RAM buffer 0x790/0x792 |
| 1075 | 004CB0: 4CDF 0002 movem.l (A7)+, D1 |
| 1076 | 004CB4: 4E75 rts |
| 1077 | */ |
| 1045 | 1078 | logerror("SCSP: Reading from unmapped register %08x\n",addr); |
| 1046 | 1079 | if(addr == 0xee0) |
| 1047 | 1080 | v= scsp->DSP.TEMP[0] >> 16; |