36 lines
498 B
ArmAsm
36 lines
498 B
ArmAsm
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.sect .text; .sect .rom; .sect .data; .sect .bss
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.sect .text
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.define .lar2
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.lar2:
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! bx, descriptor address
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! ax, index
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pop cx
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pop dx ! base address
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push cx
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push si
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mov si,dx
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sub ax,(bx)
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mov cx,4(bx)
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imul cx
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add si,ax
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sar cx,1
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jnb 1f
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xorb ah,ah
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lodsb
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pop si
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pop bx
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push ax
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jmp bx
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1:
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pop dx ! saved si
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mov ax,4(bx)
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pop bx ! return address
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sub sp,ax
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mov ax,di ! save di
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mov di,sp
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rep movs
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mov di,ax
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mov si,dx
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jmp bx
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