Difference between revisions of "Get Variable's Word Pointer from Variable's ID"
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#Input r4 (0x00 from Run script variable) - keep r4 unchanged | #Input r4 (0x00 from Run script variable) - keep r4 unchanged | ||
#Return r2 | #Return r2 | ||
| − | as 0x0005771c + r4 * 4 if r4 < 0x80 | + | as 0x0005771c + r4 * 4 if r4 < 0x80 (steal gil leads here) |
as 0x0005771c + 0x200 + ((r4-0x80) /32)*4 if r4 is between 0x80 and 0x359 | as 0x0005771c + 0x200 + ((r4-0x80) /32)*4 if r4 is between 0x80 and 0x359 | ||
as 0x0005771c + 0x25c + ((r4 - 0x360)/8)*4 if r4 is between 0x360 and 0x3FF | as 0x0005771c + 0x25c + ((r4 - 0x360)/8)*4 if r4 is between 0x360 and 0x3FF | ||
as ? If r4>= 0x400 (via [[0014c958_-_0014c990]] - not investigated) | as ? If r4>= 0x400 (via [[0014c958_-_0014c990]] - not investigated) | ||
------------------------------------------------------------------------------------ | ------------------------------------------------------------------------------------ | ||
| − | 0014a2ec: 27bdffe8 addiu r29,r29, | + | 0014a2ec: 27bdffe8 addiu r29,r29,-0x0018 |
0014a2f0: 28820080 slti r2,r4,0x0080 |r2 = 1 if Input < 0x80 | 0014a2f0: 28820080 slti r2,r4,0x0080 |r2 = 1 if Input < 0x80 | ||
0014a2f4: afbf0014 sw r31,0x0014(r29) | | 0014a2f4: afbf0014 sw r31,0x0014(r29) | | ||
| − | 0014a2f8: 10400006 beq r2,r0,0x0014a314 #''' | + | 0014a2f8: 10400006 beq r2,r0,0x0014a314 #'''Input < 0x80''' (r2=1) |
0014a2fc: afb00010 sw r16,0x0010(r29) | 0014a2fc: afb00010 sw r16,0x0010(r29) | ||
0014a300: 3c038016 lui r3,0x8016 | 0014a300: 3c038016 lui r3,0x8016 | ||
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0014a30c: 080528e1 j 0x0014a384 >>'''jump to almost end''' | 0014a30c: 080528e1 j 0x0014a384 >>'''jump to almost end''' | ||
0014a310: 00438021 addu r16,r2,r3 |r16 = Main (map ?) data start + offset (r4*4) | 0014a310: 00438021 addu r16,r2,r3 |r16 = Main (map ?) data start + offset (r4*4) | ||
| − | 0014a314: 28820360 slti r2,r4,0x0360 |r2 = 1 if input < 0x360 | + | 0014a314: 28820360 slti r2,r4,0x0360 |r2 = 1 if input < 0x360 |
0014a318: 1040000b beq r2,r0,0x0014a348 #'''If r2 = 1 (r4 between 0x80 and 0x35F)''' branch if r2 = 0 | 0014a318: 1040000b beq r2,r0,0x0014a348 #'''If r2 = 1 (r4 between 0x80 and 0x35F)''' branch if r2 = 0 | ||
| − | 0014a31c: 2482ff80 addiu r2,r4, | + | 0014a31c: 2482ff80 addiu r2,r4,-0x0080 |r2 = input - 0x80 (0x00 to 2DF) |
| − | 0014a320: 04410003 bgez r2,0x0014a330 #'''If r2 < 0''' never true ? | + | 0014a320: 04410003 bgez r2,0x0014a330 #'''If r2 < 0''' never true ? |
| − | 0014a324: 00021143 sra r2,r2,0x05 |r2 = r2 /32 any value under 0x20 is 0x00 (for | + | 0014a324: 00021143 sra r2,r2,0x05 |r2 = r2 /32 any value under 0x20 is 0x00 (for input = 0x80 to 0xA0) |
| − | 0014a328: 2482ff9f addiu r2,r4, | + | 0014a328: 2482ff9f addiu r2,r4,-0x0061 |r2 = input-0x61 |
0014a32c: 00021143 sra r2,r2,0x05 |r2 = r2/32 | 0014a32c: 00021143 sra r2,r2,0x05 |r2 = r2/32 | ||
| − | 0014a330: 00021080 sll r2,r2,0x02 |r2 = r2*4 | + | 0014a330: 00021080 sll r2,r2,0x02 |r2 = r2*4 |
| − | 0014a334: 3c038016 lui r3,0x8016 | + | 0014a334: 3c038016 lui r3,0x8016 | |
0014a338: 8c635f9c lw r3,0x5f9c(r3) |<span style="color:limegreen">r3 = 0x80165f9c (host 0005771c - start of main (map?) data?)</span> | 0014a338: 8c635f9c lw r3,0x5f9c(r3) |<span style="color:limegreen">r3 = 0x80165f9c (host 0005771c - start of main (map?) data?)</span> | ||
0014a33c: 24420200 addiu r2,r2,0x0200 |r2 = r2 + 0x200 | 0014a33c: 24420200 addiu r2,r2,0x0200 |r2 = r2 + 0x200 | ||
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0014a344: 00438021 addu r16,r2,r3 |r16 = Main (map ?) data start + offset | 0014a344: 00438021 addu r16,r2,r3 |r16 = Main (map ?) data start + offset | ||
0014a348: 28820400 slti r2,r4,0x0400 |r2 = 1 if input < 0x400 | 0014a348: 28820400 slti r2,r4,0x0400 |r2 = 1 if input < 0x400 | ||
| − | 0014a34c: 1040000b beq r2,r0,0x0014a37c #'''If | + | 0014a34c: 1040000b beq r2,r0,0x0014a37c #'''If input < 0x400 and >= 0x360 ''' |
| − | 0014a350: 2482fca0 addiu r2,r4, | + | 0014a350: 2482fca0 addiu r2,r4,-0x0360 |r2 = input - 0x360) |
0014a354: 04410003 bgez r2,0x0014a364 #'''If r2<0 (never true ?)''' | 0014a354: 04410003 bgez r2,0x0014a364 #'''If r2<0 (never true ?)''' | ||
0014a358: 000210c3 sra r2,r2,0x03 |r2 = r2/8 | 0014a358: 000210c3 sra r2,r2,0x03 |r2 = r2/8 | ||
| − | 0014a35c: 2482fca7 addiu r2,r4, | + | 0014a35c: 2482fca7 addiu r2,r4,-0x0359 |r2 = input - 0x359 |
0014a360: 000210c3 sra r2,r2,0x03 |r2 = r2/8 | 0014a360: 000210c3 sra r2,r2,0x03 |r2 = r2/8 | ||
0014a364: 00021080 sll r2,r2,0x02 |r2 = r2 * 4 | 0014a364: 00021080 sll r2,r2,0x02 |r2 = r2 * 4 | ||
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0014a374: 080528e1 j 0x0014a384 >>'''jump to almost end''' | 0014a374: 080528e1 j 0x0014a384 >>'''jump to almost end''' | ||
0014a378: 00438021 addu r16,r2,r3 |r16 = Main (map ?) data + offset ? | 0014a378: 00438021 addu r16,r2,r3 |r16 = Main (map ?) data + offset ? | ||
| − | 0014a37c: 0c053256 jal 0x0014c958 | + | 0014a37c: 0c053256 jal 0x0014c958 |-->[[0014c958_-_0014c990|<span style="color:blue">jal 0x0014c958 (input > 0x400)</span>]] |
| − | 0014a380: 00000000 nop | + | 0014a380: 00000000 nop | |
| − | 0014a384: 02001021 addu r2,r16,r0 |r2 = r16 | + | 0014a384: 02001021 addu r2,r16,r0 |r2 = r16 (jumps landing site) |
0014a388: 8fbf0014 lw r31,0x0014(r29) | 0014a388: 8fbf0014 lw r31,0x0014(r29) | ||
0014a38c: 8fb00010 lw r16,0x0010(r29) | 0014a38c: 8fb00010 lw r16,0x0010(r29) | ||
Revision as of 20:06, 29 October 2021
#Input r4 (0x00 from Run script variable) - keep r4 unchanged
#Return r2
as 0x0005771c + r4 * 4 if r4 < 0x80 (steal gil leads here)
as 0x0005771c + 0x200 + ((r4-0x80) /32)*4 if r4 is between 0x80 and 0x359
as 0x0005771c + 0x25c + ((r4 - 0x360)/8)*4 if r4 is between 0x360 and 0x3FF
as ? If r4>= 0x400 (via 0014c958_-_0014c990 - not investigated)
------------------------------------------------------------------------------------
0014a2ec: 27bdffe8 addiu r29,r29,-0x0018
0014a2f0: 28820080 slti r2,r4,0x0080 |r2 = 1 if Input < 0x80
0014a2f4: afbf0014 sw r31,0x0014(r29) |
0014a2f8: 10400006 beq r2,r0,0x0014a314 #Input < 0x80 (r2=1)
0014a2fc: afb00010 sw r16,0x0010(r29)
0014a300: 3c038016 lui r3,0x8016
0014a304: 8c635f9c lw r3,0x5f9c(r3) |r3 = 0x80165f9c (host 0005771c - start of main (map?) data?)
0014a308: 00041080 sll r2,r4,0x02 |r2 = r4 * 4
0014a30c: 080528e1 j 0x0014a384 >>jump to almost end
0014a310: 00438021 addu r16,r2,r3 |r16 = Main (map ?) data start + offset (r4*4)
0014a314: 28820360 slti r2,r4,0x0360 |r2 = 1 if input < 0x360
0014a318: 1040000b beq r2,r0,0x0014a348 #If r2 = 1 (r4 between 0x80 and 0x35F) branch if r2 = 0
0014a31c: 2482ff80 addiu r2,r4,-0x0080 |r2 = input - 0x80 (0x00 to 2DF)
0014a320: 04410003 bgez r2,0x0014a330 #If r2 < 0 never true ?
0014a324: 00021143 sra r2,r2,0x05 |r2 = r2 /32 any value under 0x20 is 0x00 (for input = 0x80 to 0xA0)
0014a328: 2482ff9f addiu r2,r4,-0x0061 |r2 = input-0x61
0014a32c: 00021143 sra r2,r2,0x05 |r2 = r2/32
0014a330: 00021080 sll r2,r2,0x02 |r2 = r2*4
0014a334: 3c038016 lui r3,0x8016 |
0014a338: 8c635f9c lw r3,0x5f9c(r3) |r3 = 0x80165f9c (host 0005771c - start of main (map?) data?)
0014a33c: 24420200 addiu r2,r2,0x0200 |r2 = r2 + 0x200
0014a340: 080528e1 j 0x0014a384 >>jump to almost end
0014a344: 00438021 addu r16,r2,r3 |r16 = Main (map ?) data start + offset
0014a348: 28820400 slti r2,r4,0x0400 |r2 = 1 if input < 0x400
0014a34c: 1040000b beq r2,r0,0x0014a37c #If input < 0x400 and >= 0x360
0014a350: 2482fca0 addiu r2,r4,-0x0360 |r2 = input - 0x360)
0014a354: 04410003 bgez r2,0x0014a364 #If r2<0 (never true ?)
0014a358: 000210c3 sra r2,r2,0x03 |r2 = r2/8
0014a35c: 2482fca7 addiu r2,r4,-0x0359 |r2 = input - 0x359
0014a360: 000210c3 sra r2,r2,0x03 |r2 = r2/8
0014a364: 00021080 sll r2,r2,0x02 |r2 = r2 * 4
0014a368: 3c038016 lui r3,0x8016 |
0014a36c: 8c635f9c lw r3,0x5f9c(r3) |r3 = 0x80165f9c (host 0005771c - start of main (map?) data?)
0014a370: 2442025c addiu r2,r2,0x025c |r2 = r2 + 0x25c
0014a374: 080528e1 j 0x0014a384 >>jump to almost end
0014a378: 00438021 addu r16,r2,r3 |r16 = Main (map ?) data + offset ?
0014a37c: 0c053256 jal 0x0014c958 |-->jal 0x0014c958 (input > 0x400)
0014a380: 00000000 nop |
0014a384: 02001021 addu r2,r16,r0 |r2 = r16 (jumps landing site)
0014a388: 8fbf0014 lw r31,0x0014(r29)
0014a38c: 8fb00010 lw r16,0x0010(r29)
0014a390: 27bd0018 addiu r29,r29,0x0018
0014a394: 03e00008 jr r31
0014a398: 00000000 nop
Returns location
0014a0cc: Run_Script_Variable_Command
