76 lines
772 B
ArmAsm
76 lines
772 B
ArmAsm
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.text
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.globl rmi4~
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.globl save~,retu~
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rmi4~:
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jsr pc,save~
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mov 02(sp),r3
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sxt r4
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bpl 1f
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neg r3
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1: cmp r4,(sp)
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bne hardrmi4
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mov 06(sp),r2
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mov 04(sp),r1
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mov r1,r4
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bge 2f
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neg r1
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neg r2
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sbc r1
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2: mov r4,-(sp)
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clr r0
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div r3,r0
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mov r1,r0
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mov r1,r4
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mov r2,r1
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div r3,r0
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bvc 3f
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mov r2,r1
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mov r4,r0
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sub r3,r0
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div r3,r0
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tst r1
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beq 3f
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add r3,r1
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3: tst (sp)+
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bpl 4f
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neg r1
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4: sxt r0
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br 9f
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hardrmi4:
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mov 06(sp),r2
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mov 04(sp),r1
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bpl 5f
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neg r1
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neg r2
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sbc r1
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5: clr r0
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mov (sp),r3
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bge 6f
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neg r3
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neg 02(sp)
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sbc r3
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6: mov $16.,r4
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1: clc
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rol r2
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rol r1
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rol r0
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cmp r3,r0
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bhi 7f
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bcs 8f
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cmp 02(sp),r1
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blos 8f
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7: sob r4,1b
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br 2f
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8: sub 02(sp),r1
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sbc r0
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sub r3,r0
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sob r4,1b
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2: tst 04(sp)
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bge 9f
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neg r0
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neg r1
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sbc r0
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9: add $010,sp
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jmp retu~
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