30 lines
456 B
ArmAsm
30 lines
456 B
ArmAsm
.define .csb
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.sect .text
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.sect .rom
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.sect .data
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.sect .bss
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.sect .text
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.csb:
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move.l (sp)+,a0 ! case descriptor
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move.l (sp)+,d0 ! index
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move.l (a0)+,a1 ! default jump address
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move.l (a0)+,d1 ! # entries
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beq 2f
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sub.l #1,d1
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1:
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cmp.l (a0)+,d0
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beq 3f
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tst.l (a0)+ ! skip jump address
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dbf d1,1b
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2:
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move.l a1,d1 ! default jump address
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bne 4f
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move.l #ECASE,-(sp)
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jmp .fatal
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3:
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move.l (a0)+,a1 ! get jump address
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4:
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move.l a1,-(sp)
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rts
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.align 2
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