20 lines
		
	
	
	
		
			305 B
		
	
	
	
		
			ArmAsm
		
	
	
	
	
	
			
		
		
	
	
			20 lines
		
	
	
	
		
			305 B
		
	
	
	
		
			ArmAsm
		
	
	
	
	
	
.sect .text; .sect .rom; .sect .data; .sect .bss
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.sect .text
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.define .rck
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	! descriptor address in bx
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	! value in ax, must be left there
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.rck:
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	cmp     ax,(bx)
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	jl      2f
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	cmp     ax,2(bx)
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	jg      2f
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	ret
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2:
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	push    ax
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.extern ERANGE
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.extern .error
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	mov     ax,ERANGE
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	call    .error
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	pop     ax
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	ret
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