25 lines
		
	
	
	
		
			438 B
		
	
	
	
		
			ArmAsm
		
	
	
	
	
	
			
		
		
	
	
			25 lines
		
	
	
	
		
			438 B
		
	
	
	
		
			ArmAsm
		
	
	
	
	
	
| .define	.csa
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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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| 
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| .sect .text
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| 
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| .csa:
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| 	move.l	(sp)+, a0	! jump table address
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| 	move.l	(a0)+, a1	! default address
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| 	move.l	(sp)+, d0	! index
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| 	sub.l	(a0)+, d0	! index - lower bound
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| 	blt	1f
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| 	cmp.l	(a0)+, d0	! rel. index, upper - lower bound
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| 	bgt	1f
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| 	move.l	(a0,d0.l*4), a1	! jump address
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| 1:
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| 	move.l	a1, d0
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| 	beq	2f
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| 	jmp	(a1)		! jump to specified address
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| 2:
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| 	move.l	#ECASE, -(sp)
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| 	jmp	(.fatal)
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| .align 2
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