Difference between revisions of "0014a39c - 0014a3f4"
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#return r2 | #return r2 | ||
= 0xffff if r4 < 0x80 | = 0xffff if r4 < 0x80 | ||
| − | = five last | + | = five last bits of r4 if between 0x80 and 0x35F |
| − | = three last | + | = three last bits of r4 and two 0 if r4 between 0x360 and 0x3FF |
= ? If >= 0x400 (via [[0014c958_-_0014c990]]) | = ? If >= 0x400 (via [[0014c958_-_0014c990]]) | ||
-------------------------------------------------------------------------- | -------------------------------------------------------------------------- | ||
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0014a3bc: 28820400 slti r2,r4,0x0400 |r2 = 1 if r4<0x400 | 0014a3bc: 28820400 slti r2,r4,0x0400 |r2 = 1 if r4<0x400 | ||
0014a3c0: 080528f8 j 0x0014a3e0 >>'''jump to nearly end''' | 0014a3c0: 080528f8 j 0x0014a3e0 >>'''jump to nearly end''' | ||
| − | 0014a3c4: 3090001f andi r16,r4,0x001f |r16 = r4 five last | + | 0014a3c4: 3090001f andi r16,r4,0x001f |r16 = r4 five last bits |
0014a3c8: 10400003 beq r2,r0,0x0014a3d8 #'''if r4 is between 0x360 and 0x3FF''' | 0014a3c8: 10400003 beq r2,r0,0x0014a3d8 #'''if r4 is between 0x360 and 0x3FF''' | ||
| − | 0014a3cc: 30820007 andi r2,r4,0x0007 |r2 = r4 three last | + | 0014a3cc: 30820007 andi r2,r4,0x0007 |r2 = r4 three last bits |
0014a3d0: 080528f8 j 0x0014a3e0 >>'''Jump to nearly end''' | 0014a3d0: 080528f8 j 0x0014a3e0 >>'''Jump to nearly end''' | ||
| − | 0014a3d4: 00028080 sll r16,r2,0x02 |r16 = r2 * 4 (five | + | 0014a3d4: 00028080 sll r16,r2,0x02 |r16 = r2 * 4 (five bits ending with two 0) |
0014a3d8: 0c053256 jal 0x0014c958 |-->[[0014c958_-_0014c990|<span style="color:blue">0014c958_-_0014c990</span>]] '''jal if r4 > 0x400''' | 0014a3d8: 0c053256 jal 0x0014c958 |-->[[0014c958_-_0014c990|<span style="color:blue">0014c958_-_0014c990</span>]] '''jal if r4 > 0x400''' | ||
0014a3dc: 00000000 nop | | 0014a3dc: 00000000 nop | | ||
Revision as of 19:32, 2 September 2021
#Need r4 (0x00 from Run_Script_Variable_Command) #return r2 = 0xffff if r4 < 0x80 = five last bits of r4 if between 0x80 and 0x35F = three last bits of r4 and two 0 if r4 between 0x360 and 0x3FF = ? If >= 0x400 (via 0014c958_-_0014c990) -------------------------------------------------------------------------- 0014a39c: 27bdffe8 addiu r29,r29,0xffe8 0014a3a0: afb00010 sw r16,0x0010(r29) 0014a3a4: 2410ffff addiu r16,r0,0xffff |r16 = 0xffff 0014a3a8: 28820080 slti r2,r4,0x0080 0014a3ac: 1440000c bne r2,r0,0x0014a3e0 #If r4>= 0x80 Else branch to end (keeping r16 = 0xffff) 0014a3b0: afbf0014 sw r31,0x0014(r29) 0014a3b4: 28820360 slti r2,r4,0x0360 0014a3b8: 10400003 beq r2,r0,0x0014a3c8 #if r4 < 0x360 0014a3bc: 28820400 slti r2,r4,0x0400 |r2 = 1 if r4<0x400 0014a3c0: 080528f8 j 0x0014a3e0 >>jump to nearly end 0014a3c4: 3090001f andi r16,r4,0x001f |r16 = r4 five last bits 0014a3c8: 10400003 beq r2,r0,0x0014a3d8 #if r4 is between 0x360 and 0x3FF 0014a3cc: 30820007 andi r2,r4,0x0007 |r2 = r4 three last bits 0014a3d0: 080528f8 j 0x0014a3e0 >>Jump to nearly end 0014a3d4: 00028080 sll r16,r2,0x02 |r16 = r2 * 4 (five bits ending with two 0) 0014a3d8: 0c053256 jal 0x0014c958 |-->0014c958_-_0014c990 jal if r4 > 0x400 0014a3dc: 00000000 nop | 0014a3e0: 02001021 addu r2,r16,r0 |Return r2 as r16 value 0014a3e4: 8fbf0014 lw r31,0x0014(r29) 0014a3e8: 8fb00010 lw r16,0x0010(r29) 0014a3ec: 27bd0018 addiu r29,r29,0x0018 0014a3f0: 03e00008 jr r31 0014a3f4: 00000000 nop
Return location
0014a0d8 : Run_Script_Variable_Command send r4 = 0x00
