19 lines
		
	
	
	
		
			328 B
		
	
	
	
		
			ArmAsm
		
	
	
	
	
	
			
		
		
	
	
			19 lines
		
	
	
	
		
			328 B
		
	
	
	
		
			ArmAsm
		
	
	
	
	
	
.define Lcs
 | 
						|
 | 
						|
! This subroutine creates space for locals on procedure entry
 | 
						|
! by lowering the stackpointer.
 | 
						|
 | 
						|
 | 
						|
Lcs:
 | 
						|
	sta ARTH	! number of locals (lowbyte)
 | 
						|
	stx ARTH+1	! number of locals (highbyte)
 | 
						|
	sec
 | 
						|
	lda SP+2
 | 
						|
	sbc ARTH
 | 
						|
	sta SP+2	! new stackpointer (lowbyte)
 | 
						|
	lda SP+1
 | 
						|
	sbc ARTH+1
 | 
						|
	sta SP+1	! new stackpointer (highbyte)
 | 
						|
	rts
 | 
						|
 | 
						|
 |