28 lines
285 B
ArmAsm
28 lines
285 B
ArmAsm
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.define .cmu4
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.text
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.cmu4:
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pop bx ! return address
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pop cx
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pop dx
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pop ax
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push si
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mov si,sp
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xchg bx,2(si)
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pop si
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cmp bx,dx
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ja 1f
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jb 2f
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cmp ax,cx
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ja 1f
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je 3f
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2:
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mov ax,#-1
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ret
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3:
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xor ax,ax
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ret
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1:
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mov ax,#1
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ret
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