53 lines
564 B
ArmAsm
53 lines
564 B
ArmAsm
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.text
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.globl rmu4~
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.globl save~,retu~
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rmu4~:
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jsr pc,save~
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clr r0
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tst (sp)
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bne hardrmu4
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tst 02(sp)
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blt hardrmu4
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mov 06(sp),r2
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mov 04(sp),r1
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mov 02(sp),r3
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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 1f
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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 1f
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add r3,r1
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1: clr r0
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br 2f
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hardrmu4:
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mov 06(sp),r2
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mov 04(sp),r1
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mov (sp),r3
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mov $17.,r4
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br 3f
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6: clc
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rol r2
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rol r1
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rol r0
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3: cmp r3,r0
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bhi 4f
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bcs 5f
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cmp 02(sp),r1
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blos 5f
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4: sob r4,6b
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br 2f
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5: sub 02(sp),r1
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sbc r0
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sub r3,r0
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sob r4,6b
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2: add $010,sp
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jmp retu~
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