41 lines
645 B
ArmAsm
41 lines
645 B
ArmAsm
.define prf
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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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prf:
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ld R0, hol0+4 !pointer to filename
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cp R0, $0
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jr EQ, 1f
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ld R2, R0
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ld R1, $40
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3: !test filename on bad characters
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ldb R3, 0(R2)
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cpb R3, $0
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jr EQ, 2f
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cpb R3, $0177
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jr GE, 1f
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cpb R3, $040
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jr LT, 1f
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inc R2
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djnz R1, 3b
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clrb 0(R2)
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2: push *RR14, hol0
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ld R1, R15
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push *RR14, R1
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push *RR14, R0
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push *RR14, $fmt1
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calr printf
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popl saveprf, *RR14 !return address
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calr printf !because of call from 'noop'
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pushl *RR14, saveprf
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ret
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1: ld R0, $name
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jr 2b
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.sect .data
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fmt1: .asciz "%s, sp = %x, line %d:\n"
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name: .asciz "_unknown file_"
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saveprf:
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.data4 0
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