20 lines
258 B
ArmAsm
20 lines
258 B
ArmAsm
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.define csa
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!R1 contains address of jump table
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!R2 contains case index
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csa:
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sub R2, 2(R1)
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jr LT, 1f
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cp R2, 4(R1)
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jr UGT, 1f
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sla R2
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add R1, R2
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ld R2, 06(R1)
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cp R2, $0
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jr EQ, 2f
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jp 0(R2)
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1: ld R1, 0(R1)
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jp NE, 0(R1)
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2: push *RR14, $ECASE
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jr fatal
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