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- .define .dvu
- .sect .text
- .dvu:
- LDMFD R12<,{R0,R1}
- STMFD R12<,{R4}
- CMP R0,#0
- BEQ divbyzero
- MOV R2,#0
- MOV R3,#0
- MOV R4,#32
- DVU11:
- SUB.S R4,R4,#1
- LDMFD.EQ R12<,{R4}
- MOV.EQ R15,R14
- MOV.S R1,R1,ASL #1
- BPL DVU11
- DVU22:
- MOV.S R1,R1,ASL #1
- ADC R2,R2,R2
- CMP R2,R0
- SUB.CS R2,R2,R0
- ADC R3,R3,R3
- SUB.S R4,R4,#1
- BNE DVU22
- LDMFD R12<,{R4}
- MOV R15,R14
- divbyzero:
- MOV R0,#6
- STMFD R12<,{R0}
- BAL _EmTrp
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