26 lines
389 B
ArmAsm
26 lines
389 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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!R1 contains address of jump table
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!R2 contains case index
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csb:
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ld R3, 0(R1) !default pointer
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ld R0, 2(R1) !number of entries
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test R0
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jr EQ, 1f
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3: inc R1, $4
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cp R2, 0(R1)
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jr EQ, 2f
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djnz R0, 3b
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1: ld R1, R3 !default pointer
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jr 4f
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2: ld R1, 2(R1)
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4: test R1
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jr EQ, 5f
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jp 0(R1)
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5: push *RR14, $ECASE
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jr fatal
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