Difference between revisions of "000201b4 - 000202a4"
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(Created page with "<font face='Courier New'> 000201b4: 3c038003 lui r3,0x8003 000201b8: 8c631b54 lw r3,0x1b54(r3) 000201bc: 00000000 nop 000201c0: 946201b8 lhu r2,0x01b8(r3) 000201c4: 000...") |
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000201b4: 3c038003 lui r3,0x8003 | 000201b4: 3c038003 lui r3,0x8003 | ||
| − | 000201b8: 8c631b54 lw r3,0x1b54(r3) | + | 000201b8: 8c631b54 lw r3,0x1b54(r3) # SPU voice registers |
000201bc: 00000000 nop | 000201bc: 00000000 nop | ||
| − | 000201c0: 946201b8 lhu r2,0x01b8(r3) | + | 000201c0: 946201b8 lhu r2,0x01b8(r3) # loads some SPU control 5? |
000201c4: 00000000 nop | 000201c4: 00000000 nop | ||
000201c8: 14400009 bne r2,r0,0x000201f0 | 000201c8: 14400009 bne r2,r0,0x000201f0 | ||
000201cc: 27bdfff8 addiu r29,r29,0xfff8 | 000201cc: 27bdfff8 addiu r29,r29,0xfff8 | ||
| − | 000201d0: 946201ba lhu r2,0x01ba(r3) | + | 000201d0: 946201ba lhu r2,0x01ba(r3) # load SPU control 6? |
000201d4: 00000000 nop | 000201d4: 00000000 nop | ||
000201d8: 14400006 bne r2,r0,0x000201f4 | 000201d8: 14400006 bne r2,r0,0x000201f4 | ||
000201dc: 34023fff ori r2,r0,0x3fff | 000201dc: 34023fff ori r2,r0,0x3fff | ||
| − | 000201e0: a4620180 sh r2,0x0180(r3) | + | 000201e0: a4620180 sh r2,0x0180(r3) # SPU control volume = 0x3fff |
| − | 000201e4: a4620182 sh r2,0x0182(r3) | + | 000201e4: a4620182 sh r2,0x0182(r3) # same same |
000201e8: 3c038003 lui r3,0x8003 | 000201e8: 3c038003 lui r3,0x8003 | ||
| − | 000201ec: 8c631b54 lw r3,0x1b54(r3) | + | 000201ec: 8c631b54 lw r3,0x1b54(r3) # |
000201f0: 34023fff ori r2,r0,0x3fff | 000201f0: 34023fff ori r2,r0,0x3fff | ||
| − | 000201f4: a46201b0 sh r2,0x01b0(r3) | + | 000201f4: a46201b0 sh r2,0x01b0(r3) # store same value to some SPU control values |
000201f8: a46201b2 sh r2,0x01b2(r3) | 000201f8: a46201b2 sh r2,0x01b2(r3) | ||
000201fc: 3402c001 ori r2,r0,0xc001 | 000201fc: 3402c001 ori r2,r0,0xc001 | ||
| − | 00020200: a46201aa sh r2,0x01aa(r3) | + | 00020200: a46201aa sh r2,0x01aa(r3) # store 0xc001 |
00020204: 3c038003 lui r3,0x8003 | 00020204: 3c038003 lui r3,0x8003 | ||
| − | 00020208: 8c631b40 lw r3,0x1b40(r3) | + | 00020208: 8c631b40 lw r3,0x1b40(r3) |
0002020c: 34020080 ori r2,r0,0x0080 | 0002020c: 34020080 ori r2,r0,0x0080 | ||
00020210: a3a20002 sb r2,0x0002(r29) | 00020210: a3a20002 sb r2,0x0002(r29) | ||
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0002021c: a3a00003 sb r0,0x0003(r29) | 0002021c: a3a00003 sb r0,0x0003(r29) | ||
00020220: a3a00001 sb r0,0x0001(r29) | 00020220: a3a00001 sb r0,0x0001(r29) | ||
| − | 00020224: a0620000 sb r2,0x0000(r3) | + | 00020224: a0620000 sb r2,0x0000(r3) # index CDROM I/O port 2 |
00020228: 3c038003 lui r3,0x8003 | 00020228: 3c038003 lui r3,0x8003 | ||
0002022c: 8c631b48 lw r3,0x1b48(r3) | 0002022c: 8c631b48 lw r3,0x1b48(r3) | ||
| − | 00020230: 93a20000 lbu r2,0x0000(r29) | + | 00020230: 93a20000 lbu r2,0x0000(r29) # volume? |
00020234: 00000000 nop | 00020234: 00000000 nop | ||
| − | 00020238: a0620000 sb r2,0x0000(r3) | + | 00020238: a0620000 sb r2,0x0000(r3) # parse volume to CDROM |
0002023c: 3c038003 lui r3,0x8003 | 0002023c: 3c038003 lui r3,0x8003 | ||
00020240: 8c631b4c lw r3,0x1b4c(r3) | 00020240: 8c631b4c lw r3,0x1b4c(r3) | ||
Latest revision as of 06:52, 28 August 2023
000201b4: 3c038003 lui r3,0x8003 000201b8: 8c631b54 lw r3,0x1b54(r3) # SPU voice registers 000201bc: 00000000 nop 000201c0: 946201b8 lhu r2,0x01b8(r3) # loads some SPU control 5? 000201c4: 00000000 nop 000201c8: 14400009 bne r2,r0,0x000201f0 000201cc: 27bdfff8 addiu r29,r29,0xfff8 000201d0: 946201ba lhu r2,0x01ba(r3) # load SPU control 6? 000201d4: 00000000 nop 000201d8: 14400006 bne r2,r0,0x000201f4 000201dc: 34023fff ori r2,r0,0x3fff 000201e0: a4620180 sh r2,0x0180(r3) # SPU control volume = 0x3fff 000201e4: a4620182 sh r2,0x0182(r3) # same same 000201e8: 3c038003 lui r3,0x8003 000201ec: 8c631b54 lw r3,0x1b54(r3) # 000201f0: 34023fff ori r2,r0,0x3fff 000201f4: a46201b0 sh r2,0x01b0(r3) # store same value to some SPU control values 000201f8: a46201b2 sh r2,0x01b2(r3) 000201fc: 3402c001 ori r2,r0,0xc001 00020200: a46201aa sh r2,0x01aa(r3) # store 0xc001 00020204: 3c038003 lui r3,0x8003 00020208: 8c631b40 lw r3,0x1b40(r3) 0002020c: 34020080 ori r2,r0,0x0080 00020210: a3a20002 sb r2,0x0002(r29) 00020214: a3a20000 sb r2,0x0000(r29) 00020218: 34020002 ori r2,r0,0x0002 0002021c: a3a00003 sb r0,0x0003(r29) 00020220: a3a00001 sb r0,0x0001(r29) 00020224: a0620000 sb r2,0x0000(r3) # index CDROM I/O port 2 00020228: 3c038003 lui r3,0x8003 0002022c: 8c631b48 lw r3,0x1b48(r3) 00020230: 93a20000 lbu r2,0x0000(r29) # volume? 00020234: 00000000 nop 00020238: a0620000 sb r2,0x0000(r3) # parse volume to CDROM 0002023c: 3c038003 lui r3,0x8003 00020240: 8c631b4c lw r3,0x1b4c(r3) 00020244: 93a20001 lbu r2,0x0001(r29) 00020248: 00000000 nop 0002024c: a0620000 sb r2,0x0000(r3) 00020250: 3c038003 lui r3,0x8003 00020254: 8c631b40 lw r3,0x1b40(r3) 00020258: 34020003 ori r2,r0,0x0003 0002025c: a0620000 sb r2,0x0000(r3) 00020260: 3c038003 lui r3,0x8003 00020264: 8c631b44 lw r3,0x1b44(r3) 00020268: 93a20002 lbu r2,0x0002(r29) 0002026c: 00000000 nop 00020270: a0620000 sb r2,0x0000(r3) 00020274: 3c038003 lui r3,0x8003 00020278: 8c631b48 lw r3,0x1b48(r3) 0002027c: 93a20003 lbu r2,0x0003(r29) 00020280: 00000000 nop 00020284: a0620000 sb r2,0x0000(r3) 00020288: 3c038003 lui r3,0x8003 0002028c: 8c631b4c lw r3,0x1b4c(r3) 00020290: 34020020 ori r2,r0,0x0020 00020294: a0620000 sb r2,0x0000(r3) 00020298: 00001021 addu r2,r0,r0 0002029c: 27bd0008 addiu r29,r29,0x0008 000202a0: 03e00008 jr r31 000202a4: 00000000 nop
