Difference between revisions of "Open WORLD file"
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(Created page with "<font face='Courier New'> 00045268: 27bdffe0 addiu r29,r29,0xffe0 0004526c: 00801021 addu r2,r4,r0 00045270: 00a01821 addu r3,r5,r0 00045274: 00c04021 addu r8,r6,r0 000...") |
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00045268: 27bdffe0 addiu r29,r29,0xffe0 | 00045268: 27bdffe0 addiu r29,r29,0xffe0 | ||
| − | 0004526c: 00801021 addu r2,r4,r0 | + | 0004526c: 00801021 addu r2,r4,r0 LBA sector |
| − | 00045270: 00a01821 addu r3,r5,r0 | + | 00045270: 00a01821 addu r3,r5,r0 Num sectors |
| − | 00045274: 00c04021 addu r8,r6,r0 | + | 00045274: 00c04021 addu r8,r6,r0 Dest Ptr |
00045278: afb00018 sw r16,0x0018(r29) | 00045278: afb00018 sw r16,0x0018(r29) | ||
0004527c: 3c108005 lui r16,0x8005 | 0004527c: 3c108005 lui r16,0x8005 | ||
| − | 00045280: 2610eaf4 addiu r16,r16,0xeaf4 | + | 00045280: 2610eaf4 addiu r16,r16,0xeaf4 File open data |
| − | 00045284: 02002021 addu r4,r16,r0 | + | 00045284: 02002021 addu r4,r16,r0 file open data as p1 |
| − | 00045288: 00402821 addu r5,r2,r0 | + | 00045288: 00402821 addu r5,r2,r0 p1 as p2 (LBA sector) |
| − | 0004528c: 00603021 addu r6,r3,r0 | + | 0004528c: 00603021 addu r6,r3,r0 p2 as p3 (Num Sectors) |
| − | 00045290: afa70010 sw r7,0x0010(r29) | + | 00045290: afa70010 sw r7,0x0010(r29) p4 as p5 (if to Display Now Loading) |
00045294: afbf001c sw r31,0x001c(r29) | 00045294: afbf001c sw r31,0x001c(r29) | ||
| − | 00045298: 0c0046fd jal 0x00011bf4 | + | 00045298: 0c0046fd jal 0x00011bf4 [[Load Data From Disc (0x11bf4)]] |
| − | 0004529c: 01003821 addu r7,r8,r0 | + | 0004529c: 01003821 addu r7,r8,r0 p3 as p4 (Destination Pointer) |
000452a0: 3c028005 lui r2,0x8005 | 000452a0: 3c028005 lui r2,0x8005 | ||
000452a4: 8c42eaf8 lw r2,-0x1508(r2) | 000452a4: 8c42eaf8 lw r2,-0x1508(r2) | ||
000452a8: 00000000 nop | 000452a8: 00000000 nop | ||
| − | 000452ac: 1040000a beq r2,r0,0x000452d8 | + | 000452ac: 1040000a beq r2,r0,0x000452d8 branch if failed |
000452b0: 00000000 nop | 000452b0: 00000000 nop | ||
| − | 000452b4: 0c00478e jal 0x00011e38 | + | 000452b4: 0c00478e jal 0x00011e38 [[00011e38 - 0001201c]] loop until file open in RAM |
000452b8: 02002021 addu r4,r16,r0 | 000452b8: 02002021 addu r4,r16,r0 | ||
| − | 000452bc: 0c0076ea jal 0x0001dba8 | + | 000452bc: 0c0076ea jal 0x0001dba8 [[VSync call]] |
000452c0: 00002021 addu r4,r0,r0 | 000452c0: 00002021 addu r4,r0,r0 | ||
000452c4: 3c028005 lui r2,0x8005 | 000452c4: 3c028005 lui r2,0x8005 | ||
000452c8: 8c42eaf8 lw r2,-0x1508(r2) | 000452c8: 8c42eaf8 lw r2,-0x1508(r2) | ||
000452cc: 00000000 nop | 000452cc: 00000000 nop | ||
| − | 000452d0: 1440fff8 bne r2,r0,0x000452b4 | + | 000452d0: 1440fff8 bne r2,r0,0x000452b4 loop if file not done opening |
000452d4: 00000000 nop | 000452d4: 00000000 nop | ||
000452d8: 8fbf001c lw r31,0x001c(r29) | 000452d8: 8fbf001c lw r31,0x001c(r29) | ||
Revision as of 07:07, 13 June 2024
00045268: 27bdffe0 addiu r29,r29,0xffe0 0004526c: 00801021 addu r2,r4,r0 LBA sector 00045270: 00a01821 addu r3,r5,r0 Num sectors 00045274: 00c04021 addu r8,r6,r0 Dest Ptr 00045278: afb00018 sw r16,0x0018(r29) 0004527c: 3c108005 lui r16,0x8005 00045280: 2610eaf4 addiu r16,r16,0xeaf4 File open data 00045284: 02002021 addu r4,r16,r0 file open data as p1 00045288: 00402821 addu r5,r2,r0 p1 as p2 (LBA sector) 0004528c: 00603021 addu r6,r3,r0 p2 as p3 (Num Sectors) 00045290: afa70010 sw r7,0x0010(r29) p4 as p5 (if to Display Now Loading) 00045294: afbf001c sw r31,0x001c(r29) 00045298: 0c0046fd jal 0x00011bf4 Load Data From Disc (0x11bf4) 0004529c: 01003821 addu r7,r8,r0 p3 as p4 (Destination Pointer) 000452a0: 3c028005 lui r2,0x8005 000452a4: 8c42eaf8 lw r2,-0x1508(r2) 000452a8: 00000000 nop 000452ac: 1040000a beq r2,r0,0x000452d8 branch if failed 000452b0: 00000000 nop 000452b4: 0c00478e jal 0x00011e38 00011e38 - 0001201c loop until file open in RAM 000452b8: 02002021 addu r4,r16,r0 000452bc: 0c0076ea jal 0x0001dba8 VSync call 000452c0: 00002021 addu r4,r0,r0 000452c4: 3c028005 lui r2,0x8005 000452c8: 8c42eaf8 lw r2,-0x1508(r2) 000452cc: 00000000 nop 000452d0: 1440fff8 bne r2,r0,0x000452b4 loop if file not done opening 000452d4: 00000000 nop 000452d8: 8fbf001c lw r31,0x001c(r29) 000452dc: 8fb00018 lw r16,0x0018(r29) 000452e0: 27bd0020 addiu r29,r29,0x0020 000452e4: 03e00008 jr r31 000452e8: 00000000 nop
