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Super FX Opcode Matrices: Difference between revisions

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(added IWT)
Line 52: Line 52:
| Ex || [[DEC]] R0 || [[DEC]] R1 || [[DEC]] R2 || [[DEC]] R3 || [[DEC]] R4 || [[DEC]] R5 || [[DEC]] R6 || [[DEC]] R7 || [[DEC]] R8 || [[DEC]] R9 || [[DEC]] R10 || [[DEC]] R11 || [[DEC]] R12 || [[DEC]] R13 || [[DEC]] R14 || [[GETB]]
| Ex || [[DEC]] R0 || [[DEC]] R1 || [[DEC]] R2 || [[DEC]] R3 || [[DEC]] R4 || [[DEC]] R5 || [[DEC]] R6 || [[DEC]] R7 || [[DEC]] R8 || [[DEC]] R9 || [[DEC]] R10 || [[DEC]] R11 || [[DEC]] R12 || [[DEC]] R13 || [[DEC]] R14 || [[GETB]]
|-  
|-  
| Fx || || || || || || || || || || || || || || || ||
| Fx || [[IWT]] R0, #xx || [[IWT]] R1, #xx || [[IWT]] R2, #xx || [[IWT]] R3, #xx || [[IWT]] R4, #xx || [[IWT]] R5, #xx || [[IWT]] R6, #xx || [[IWT]] R7, #xx || [[IWT]] R8, #xx || [[IWT]] R9, #xx || [[IWT]] R10, #xx || [[IWT]] R11, #xx || [[IWT]] R12, #xx || [[IWT]] R13, #xx || [[IWT]] R14, #xx || [[IWT]] R15, #xx
|}
|}


Line 106: Line 106:
| Ex || || || || || || || || || || || || || || || || [[GETBL]]
| Ex || || || || || || || || || || || || || || || || [[GETBL]]
|-  
|-  
| Fx || || || || || || || || || || || || || || || ||
| Fx || [[IWT]] R0, #xx || [[IWT]] R1, #xx || [[IWT]] R2, #xx || [[IWT]] R3, #xx || [[IWT]] R4, #xx || [[IWT]] R5, #xx || [[IWT]] R6, #xx || [[IWT]] R7, #xx || [[IWT]] R8, #xx || [[IWT]] R9, #xx || [[IWT]] R10, #xx || [[IWT]] R11, #xx || [[IWT]] R12, #xx || [[IWT]] R13, #xx || [[IWT]] R14, #xx || [[IWT]] R15, #xx
|}
|}


Line 160: Line 160:
| Ex || || || || || || || || || || || || || || || || [[GETBH]]
| Ex || || || || || || || || || || || || || || || || [[GETBH]]
|-  
|-  
| Fx || || || || || || || || || || || || || || || ||
| Fx || [[IWT]] R0, #xx || [[IWT]] R1, #xx || [[IWT]] R2, #xx || [[IWT]] R3, #xx || [[IWT]] R4, #xx || [[IWT]] R5, #xx || [[IWT]] R6, #xx || [[IWT]] R7, #xx || [[IWT]] R8, #xx || [[IWT]] R9, #xx || [[IWT]] R10, #xx || [[IWT]] R11, #xx || [[IWT]] R12, #xx || [[IWT]] R13, #xx || [[IWT]] R14, #xx || [[IWT]] R15, #xx
|}
|}


Line 214: Line 214:
| Ex || || || || || || || || || || || || || || || || [[GETBS]]
| Ex || || || || || || || || || || || || || || || || [[GETBS]]
|-  
|-  
| Fx || || || || || || || || || || || || || || || ||
| Fx || [[IWT]] R0, #xx || [[IWT]] R1, #xx || [[IWT]] R2, #xx || [[IWT]] R3, #xx || [[IWT]] R4, #xx || [[IWT]] R5, #xx || [[IWT]] R6, #xx || [[IWT]] R7, #xx || [[IWT]] R8, #xx || [[IWT]] R9, #xx || [[IWT]] R10, #xx || [[IWT]] R11, #xx || [[IWT]] R12, #xx || [[IWT]] R13, #xx || [[IWT]] R14, #xx || [[IWT]] R15, #xx
|}
|}


[[Category:Super FX]]
[[Category:Super FX]]

Revision as of 05:19, 25 May 2023

The Super FX has two prefix flags called ALT1 and ALT2 that alter the way the GSU interprets opcodes. These four opcode matrices will show which instruction actually runs depending on how those prefix flags are set.

ALT1 = 0, ALT2 = 0

x0 x1 x2 x3 x4 x5 x6 x7 x8 x9 xA xB xC xD xE xF
0x STOP NOP CACHE LSR ROL BRA BGE BLT BNE BEQ BPL BMI BCC BCS BVC BVS
1x TO R0 TO R1 TO R2 TO R3 TO R4 TO R5 TO R6 TO R7 TO R8 TO R9 TO R10 TO R11 TO R12 TO R13 TO R14 TO R15
2x
3x LOOP ALT1 ALT2 ALT3
4x PLOT SWAP COLOR NOT
5x
6x
7x MERGE AND R1 AND R2 AND R3 AND R4 AND R5 AND R6 AND R7 AND R8 AND R9 AND R10 AND R11 AND R12 AND R13 AND R14 AND R15
8x
9x SBK LINK #1 LINK #2 LINK #3 LINK #4 SEX ASR ROR LOB FMULT
Ax IBT R0 IBT R1 IBT R2 IBT R3 IBT R4 IBT R5 IBT R6 IBT R7 IBT R8 IBT R9 IBT R10 IBT R11 IBT R12 IBT R13 IBT R14 IBT R15
Bx FROM R0 FROM R1 FROM R2 FROM R3 FROM R4 FROM R5 FROM R6 FROM R7 FROM R8 FROM R9 FROM R10 FROM R11 FROM R12 FROM R13 FROM R14 FROM R15
Cx HIB OR R1 OR R2 OR R3 OR R4 OR R5 OR R6 OR R7 OR R8 OR R9 OR R10 OR R11 OR R12 OR R13 OR R14 OR R15
Dx GETC
Ex DEC R0 DEC R1 DEC R2 DEC R3 DEC R4 DEC R5 DEC R6 DEC R7 DEC R8 DEC R9 DEC R10 DEC R11 DEC R12 DEC R13 DEC R14 GETB
Fx IWT R0, #xx IWT R1, #xx IWT R2, #xx IWT R3, #xx IWT R4, #xx IWT R5, #xx IWT R6, #xx IWT R7, #xx IWT R8, #xx IWT R9, #xx IWT R10, #xx IWT R11, #xx IWT R12, #xx IWT R13, #xx IWT R14, #xx IWT R15, #xx

ALT1 = 0, ALT2 = 1

x0 x1 x2 x3 x4 x5 x6 x7 x8 x9 xA xB xC xD xE xF
0x STOP NOP CACHE LSR ROL BRA BGE BLT BNE BEQ BPL BMI BCC BCS BVC BVS
1x TO R0 TO R1 TO R2 TO R3 TO R4 TO R5 TO R6 TO R7 TO R8 TO R9 TO R10 TO R11 TO R12 TO R13 TO R14 TO R15
2x
3x LOOP ALT1 ALT2 ALT3
4x PLOT SWAP COLOR NOT
5x
6x
7x MERGE
8x
9x SBK LINK #1 LINK #2 LINK #3 LINK #4 SEX ASR ROR LOB FMULT
Ax IBT R0 IBT R1 IBT R2 IBT R3 IBT R4 IBT R5 IBT R6 IBT R7 IBT R8 IBT R9 IBT R10 IBT R11 IBT R12 IBT R13 IBT R14 IBT R15
Bx FROM R0 FROM R1 FROM R2 FROM R3 FROM R4 FROM R5 FROM R6 FROM R7 FROM R8 FROM R9 FROM R10 FROM R11 FROM R12 FROM R13 FROM R14 FROM R15
Cx HIB OR #1 OR #2 OR #3 OR #4 OR #5 OR #6 OR #7 OR #8 OR #9 OR #10 OR #11 OR #12 OR #13 OR #14 OR #15
Dx RAMB
Ex GETBL
Fx IWT R0, #xx IWT R1, #xx IWT R2, #xx IWT R3, #xx IWT R4, #xx IWT R5, #xx IWT R6, #xx IWT R7, #xx IWT R8, #xx IWT R9, #xx IWT R10, #xx IWT R11, #xx IWT R12, #xx IWT R13, #xx IWT R14, #xx IWT R15, #xx

ALT1 = 1, ALT2 = 0

x0 x1 x2 x3 x4 x5 x6 x7 x8 x9 xA xB xC xD xE xF
0x STOP NOP CACHE LSR ROL BRA BGE BLT BNE BEQ BPL BMI BCC BCS BVC BVS
1x TO R0 TO R1 TO R2 TO R3 TO R4 TO R5 TO R6 TO R7 TO R8 TO R9 TO R10 TO R11 TO R12 TO R13 TO R14 TO R15
2x
3x STB (R0) STB (R1) STB (R2) STB (R3) STB (R4) STB (R5) STB (R6) STB (R7) STB (R8) STB (R9) STB (R10) STB (R11) LOOP ALT1 ALT2 ALT3
4x RPIX SWAP CMODE NOT
5x ADC R0 ADC R1 ADC R2 ADC R3 ADC R4 ADC R5 ADC R6 ADC R7 ADC R8 ADC R9 ADC R10 ADC R11 ADC R12 ADC R13 ADC R14 ADC R15
6x
7x MERGE
8x UMULT R0 UMULT R1 UMULT R2 UMULT R3 UMULT R4 UMULT R5 UMULT R6 UMULT R7 UMULT R8 UMULT R9 UMULT R10 UMULT R11 UMULT R12 UMULT R13 UMULT R14 UMULT R15
9x SBK LINK #1 LINK #2 LINK #3 LINK #4 SEX DIV2 ROR LOB FMULT
Ax IBT R0 IBT R1 IBT R2 IBT R3 IBT R4 IBT R5 IBT R6 IBT R7 IBT R8 IBT R9 IBT R10 IBT R11 IBT R12 IBT R13 IBT R14 IBT R15
Bx FROM R0 FROM R1 FROM R2 FROM R3 FROM R4 FROM R5 FROM R6 FROM R7 FROM R8 FROM R9 FROM R10 FROM R11 FROM R12 FROM R13 FROM R14 FROM R15
Cx HIB
Dx GETC
Ex GETBH
Fx IWT R0, #xx IWT R1, #xx IWT R2, #xx IWT R3, #xx IWT R4, #xx IWT R5, #xx IWT R6, #xx IWT R7, #xx IWT R8, #xx IWT R9, #xx IWT R10, #xx IWT R11, #xx IWT R12, #xx IWT R13, #xx IWT R14, #xx IWT R15, #xx

ALT1 = 1, ALT2 = 1

x0 x1 x2 x3 x4 x5 x6 x7 x8 x9 xA xB xC xD xE xF
0x STOP NOP CACHE LSR ROL BRA BGE BLT BNE BEQ BPL BMI BCC BCS BVC BVS
1x TO R0 TO R1 TO R2 TO R3 TO R4 TO R5 TO R6 TO R7 TO R8 TO R9 TO R10 TO R11 TO R12 TO R13 TO R14 TO R15
2x
3x LOOP ALT1 ALT2 ALT3
4x PLOT ? SWAP COLOR ? NOT
5x
6x CMP R0 CMP R1 CMP R2 CMP R3 CMP R4 CMP R5 CMP R6 CMP R7 CMP R8 CMP R9 CMP R10 CMP R11 CMP R12 CMP R13 CMP R14 CMP R15
7x MERGE BIC #1 BIC #2 BIC #3 BIC #4 BIC #5 BIC #6 BIC #7 BIC #8 BIC #9 BIC #10 BIC #11 BIC #12 BIC #13 BIC #14 BIC #15
8x
9x SBK LINK #1 LINK #2 LINK #3 LINK #4 SEX DIV2 ? ROR LOB FMULT
Ax IBT R0 IBT R1 IBT R2 IBT R3 IBT R4 IBT R5 IBT R6 IBT R7 IBT R8 IBT R9 IBT R10 IBT R11 IBT R12 IBT R13 IBT R14 IBT R15
Bx FROM R0 FROM R1 FROM R2 FROM R3 FROM R4 FROM R5 FROM R6 FROM R7 FROM R8 FROM R9 FROM R10 FROM R11 FROM R12 FROM R13 FROM R14 FROM R15
Cx HIB
Dx ROMB
Ex GETBS
Fx IWT R0, #xx IWT R1, #xx IWT R2, #xx IWT R3, #xx IWT R4, #xx IWT R5, #xx IWT R6, #xx IWT R7, #xx IWT R8, #xx IWT R9, #xx IWT R10, #xx IWT R11, #xx IWT R12, #xx IWT R13, #xx IWT R14, #xx IWT R15, #xx
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