Difference between revisions of "Move find item flag calculation"
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| − | + | #Parameters | |
| + | #r4 = map ID | ||
| + | #r5 = trap flags? | ||
| + | #r6 = ?? | ||
| + | 0: trap? | ||
| + | 1: item? | ||
| + | |||
| − | |||
001804c4: 000417c2 srl r2,r4,0x1f | 001804c4: 000417c2 srl r2,r4,0x1f | ||
001804c8: 00821021 addu r2,r4,r2 | 001804c8: 00821021 addu r2,r4,r2 | ||
| Line 9: | Line 14: | ||
001804d8: 00852021 addu r4,r4,r5 | 001804d8: 00852021 addu r4,r4,r5 | ||
001804dc: 34020080 ori r2,r0,0x0080 | 001804dc: 34020080 ori r2,r0,0x0080 | ||
| − | 001804e0: 10c0000b beq r6,r0,0x00180510 | + | 001804e0: 10c0000b beq r6,r0,0x00180510 branch if trap? |
001804e4: 00822007 srav r4,r2,r4 | 001804e4: 00822007 srav r4,r2,r4 | ||
| + | |||
| + | item? | ||
001804e8: 3c018006 lui r1,0x8006 | 001804e8: 3c018006 lui r1,0x8006 | ||
001804ec: 00270821 addu r1,r1,r7 | 001804ec: 00270821 addu r1,r1,r7 | ||
| Line 19: | Line 26: | ||
00180500: 00270821 addu r1,r1,r7 | 00180500: 00270821 addu r1,r1,r7 | ||
00180504: a0239414 sb r3,-0x6bec(r1) store new move find item flags | 00180504: a0239414 sb r3,-0x6bec(r1) store new move find item flags | ||
| − | 00180508: 0806014a j 0x00180528 | + | 00180508: 0806014a j 0x00180528 jump to End |
| − | 0018050c: 34020001 ori r2,r0,0x0001 | + | 0018050c: 34020001 ori r2,r0,0x0001 return r2 = 1 |
| + | |||
| + | trap? | ||
00180510: 3c018006 lui r1,0x8006 | 00180510: 3c018006 lui r1,0x8006 | ||
00180514: 00270821 addu r1,r1,r7 | 00180514: 00270821 addu r1,r1,r7 | ||
| Line 27: | Line 36: | ||
00180520: 00441024 and r2,r2,r4 | 00180520: 00441024 and r2,r2,r4 | ||
00180524: 2c420001 sltiu r2,r2,0x0001 | 00180524: 2c420001 sltiu r2,r2,0x0001 | ||
| + | |||
| + | End: | ||
00180528: 03e00008 jr r31 | 00180528: 03e00008 jr r31 | ||
0018052c: 00000000 nop | 0018052c: 00000000 nop | ||
| − | |||
Revision as of 18:21, 5 September 2024
#Parameters
#r4 = map ID
#r5 = trap flags?
#r6 = ??
0: trap?
1: item?
001804c4: 000417c2 srl r2,r4,0x1f
001804c8: 00821021 addu r2,r4,r2
001804cc: 00023843 sra r7,r2,0x01
001804d0: 30840001 andi r4,r4,0x0001
001804d4: 00042080 sll r4,r4,0x02
001804d8: 00852021 addu r4,r4,r5
001804dc: 34020080 ori r2,r0,0x0080
001804e0: 10c0000b beq r6,r0,0x00180510 branch if trap?
001804e4: 00822007 srav r4,r2,r4
item?
001804e8: 3c018006 lui r1,0x8006
001804ec: 00270821 addu r1,r1,r7
001804f0: 90239414 lbu r3,-0x6bec(r1) load move find item flags?
001804f4: 00000000 nop
001804f8: 00831825 or r3,r4,r3
001804fc: 3c018006 lui r1,0x8006
00180500: 00270821 addu r1,r1,r7
00180504: a0239414 sb r3,-0x6bec(r1) store new move find item flags
00180508: 0806014a j 0x00180528 jump to End
0018050c: 34020001 ori r2,r0,0x0001 return r2 = 1
trap?
00180510: 3c018006 lui r1,0x8006
00180514: 00270821 addu r1,r1,r7
00180518: 90229414 lbu r2,-0x6bec(r1) load move find item flags
0018051c: 00000000 nop
00180520: 00441024 and r2,r2,r4
00180524: 2c420001 sltiu r2,r2,0x0001
End:
00180528: 03e00008 jr r31
0018052c: 00000000 nop
