Difference between revisions of "001a522c - 001a52b0"
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(Created page with "<font face='Courier New'> 001a522c: 27bdffe0 addiu r29,r29,0xffe0 001a5230: afb00010 sw r16,0x0010(r29) 001a5234: 00808021 addu r16,r4,r0 001a5238: afb10014 sw r17,0x001...") |
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001a522c: 27bdffe0 addiu r29,r29,0xffe0 | 001a522c: 27bdffe0 addiu r29,r29,0xffe0 | ||
001a5230: afb00010 sw r16,0x0010(r29) | 001a5230: afb00010 sw r16,0x0010(r29) | ||
| − | 001a5234: 00808021 addu r16,r4,r0 | + | 001a5234: 00808021 addu r16,r4,r0 r16 = some input? |
001a5238: afb10014 sw r17,0x0014(r29) | 001a5238: afb10014 sw r17,0x0014(r29) | ||
| − | 001a523c: 321100ff andi r17,r16,0x00ff | + | 001a523c: 321100ff andi r17,r16,0x00ff also put it in r17 |
| − | 001a5240: 00112080 sll r4,r17,0x02 | + | 001a5240: 00112080 sll r4,r17,0x02 r4 * 4 |
| − | 001a5244: 24840008 addiu r4,r4,0x0008 | + | 001a5244: 24840008 addiu r4,r4,0x0008 r4 + 8 (below + f then >> 3?) |
001a5248: afbf0018 sw r31,0x0018(r29) | 001a5248: afbf0018 sw r31,0x0018(r29) | ||
| − | 001a524c: 0c06937a jal 0x001a4de8 | + | 001a524c: 0c06937a jal 0x001a4de8 [[0x001a4de8]] - |
001a5250: 00002821 addu r5,r0,r0 | 001a5250: 00002821 addu r5,r0,r0 | ||
| − | 001a5254: 00402021 addu r4,r2,r0 | + | 001a5254: 00402021 addu r4,r2,r0 r4 is pointer to some SHP data pointer? palette data? |
| − | 001a5258: 34020080 ori r2,r0,0x0080 | + | 001a5258: 34020080 ori r2,r0,0x0080 Initialise bytes 0, 1, and 2 to 0x80? (80 80 80 RGB?) |
| − | 001a525c: a0900003 sb r16,0x0003(r4) | + | 001a525c: a0900003 sb r16,0x0003(r4) stores input 1 in byte 3 (flag? for?) |
001a5260: a0820002 sb r2,0x0002(r4) | 001a5260: a0820002 sb r2,0x0002(r4) | ||
001a5264: a0820001 sb r2,0x0001(r4) | 001a5264: a0820001 sb r2,0x0001(r4) | ||
001a5268: a0820000 sb r2,0x0000(r4) | 001a5268: a0820000 sb r2,0x0000(r4) | ||
001a526c: 3c03801c lui r3,0x801c | 001a526c: 3c03801c lui r3,0x801c | ||
| − | 001a5270: 8c63c0c0 lw r3,-0x3f40(r3) | + | 001a5270: 8c63c0c0 lw r3,-0x3f40(r3) *0x801bc0c0 |
001a5274: 3c02801c lui r2,0x801c | 001a5274: 3c02801c lui r2,0x801c | ||
| − | 001a5278: 8c429274 lw r2,-0x6d8c(r2) | + | 001a5278: 8c429274 lw r2,-0x6d8c(r2) *0x801b9274 |
| − | 001a527c: 02238821 addu r17,r17,r3 | + | 001a527c: 02238821 addu r17,r17,r3 P1 + *0x801bc0c0 |
| − | 001a5280: 0051102a slt r2,r2,r17 | + | 001a5280: 0051102a slt r2,r2,r17 set if r2 is less than that |
001a5284: 3c01801c lui r1,0x801c | 001a5284: 3c01801c lui r1,0x801c | ||
| − | 001a5288: ac31c0c0 sw r17,-0x3f40(r1) | + | 001a5288: ac31c0c0 sw r17,-0x3f40(r1) save new 0x801bc0c0 (old value + input) |
| − | 001a528c: 10400003 beq r2,r0,0x001a529c | + | 001a528c: 10400003 beq r2,r0,0x001a529c branch if not? |
001a5290: 00801021 addu r2,r4,r0 | 001a5290: 00801021 addu r2,r4,r0 | ||
001a5294: 3c01801c lui r1,0x801c | 001a5294: 3c01801c lui r1,0x801c | ||
| − | 001a5298: ac319274 sw r17,-0x6d8c(r1) | + | 001a5298: ac319274 sw r17,-0x6d8c(r1) if so, store new value at 0x801b9274 |
001a529c: 8fbf0018 lw r31,0x0018(r29) | 001a529c: 8fbf0018 lw r31,0x0018(r29) | ||
001a52a0: 8fb10014 lw r17,0x0014(r29) | 001a52a0: 8fb10014 lw r17,0x0014(r29) | ||
Revision as of 00:06, 21 March 2022
001a522c: 27bdffe0 addiu r29,r29,0xffe0 001a5230: afb00010 sw r16,0x0010(r29) 001a5234: 00808021 addu r16,r4,r0 r16 = some input? 001a5238: afb10014 sw r17,0x0014(r29) 001a523c: 321100ff andi r17,r16,0x00ff also put it in r17 001a5240: 00112080 sll r4,r17,0x02 r4 * 4 001a5244: 24840008 addiu r4,r4,0x0008 r4 + 8 (below + f then >> 3?) 001a5248: afbf0018 sw r31,0x0018(r29) 001a524c: 0c06937a jal 0x001a4de8 0x001a4de8 - 001a5250: 00002821 addu r5,r0,r0 001a5254: 00402021 addu r4,r2,r0 r4 is pointer to some SHP data pointer? palette data? 001a5258: 34020080 ori r2,r0,0x0080 Initialise bytes 0, 1, and 2 to 0x80? (80 80 80 RGB?) 001a525c: a0900003 sb r16,0x0003(r4) stores input 1 in byte 3 (flag? for?) 001a5260: a0820002 sb r2,0x0002(r4) 001a5264: a0820001 sb r2,0x0001(r4) 001a5268: a0820000 sb r2,0x0000(r4) 001a526c: 3c03801c lui r3,0x801c 001a5270: 8c63c0c0 lw r3,-0x3f40(r3) *0x801bc0c0 001a5274: 3c02801c lui r2,0x801c 001a5278: 8c429274 lw r2,-0x6d8c(r2) *0x801b9274 001a527c: 02238821 addu r17,r17,r3 P1 + *0x801bc0c0 001a5280: 0051102a slt r2,r2,r17 set if r2 is less than that 001a5284: 3c01801c lui r1,0x801c 001a5288: ac31c0c0 sw r17,-0x3f40(r1) save new 0x801bc0c0 (old value + input) 001a528c: 10400003 beq r2,r0,0x001a529c branch if not? 001a5290: 00801021 addu r2,r4,r0 001a5294: 3c01801c lui r1,0x801c 001a5298: ac319274 sw r17,-0x6d8c(r1) if so, store new value at 0x801b9274 001a529c: 8fbf0018 lw r31,0x0018(r29) 001a52a0: 8fb10014 lw r17,0x0014(r29) 001a52a4: 8fb00010 lw r16,0x0010(r29) 001a52a8: 27bd0020 addiu r29,r29,0x0020 001a52ac: 03e00008 jr r31 001a52b0: 00000000 nop
