42 lines
468 B
ArmAsm
42 lines
468 B
ArmAsm
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.define .error
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.define .Xtrp
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! ax is trap number
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! all registers must be saved
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! because return is possible
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! May only be called with error no's <16
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.text
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.error:
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push bp
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push si
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push di
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push dx
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push cx
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push bx
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push ax
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mov cx,ax
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mov bx,#1
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sal bx,cl
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.extern .ignmask
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.extern .trp
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test bx,.ignmask
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jne 2f
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call .trp
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2:
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pop ax
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pop bx
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pop cx
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pop dx
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pop di
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pop si
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pop bp
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ret
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.Xtrp:
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cmp ax,#16
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jge 1f
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call .error
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ret
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1:
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jmp .trp
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