utils.s

测量脉搏的源码 Cypress公司使用 CY27443 完成相关的功能

	.module utils.c
	.area text(rom, con, rel)
	.dbfile ./utils.c
	.dbfunc e delayl _delayl fV
;         cycles -> X-7
_delayl::
	.dbline -1
	push X
	mov X,SP
	.dbline 6
; #include <m8C.h>
; #include "utils.h"
; #include "globdefs.h"
; 
; void delayl(unsigned long cycles)
; {
L3:
	.dbline 7
L4:
	.dbline 7
;   while (cycles--);
	mov A,[X-7]
	mov [__r0],A
	mov A,[X-6]
	mov [__r1],A
	mov A,[X-5]
	mov [__r2],A
	mov A,[X-4]
	mov [__r3],A
	sub A,1
	mov [X-4],A
	mov A,[__r2]
	sbb A,0
	mov [X-5],A
	mov A,[__r1]
	sbb A,0
	mov [X-6],A
	mov A,[__r0]
	sbb A,0
	mov [X-7],A
	cmp [__r0],0
	jnz L3
	cmp [__r1],0
	jnz L3
	cmp [__r2],0
	jnz L3
	cmp [__r3],0
	jnz L3
X0:
	.dbline -2
	.dbline 8
; }
L2:
	pop X
	.dbline 0 ; func end
	ret
	.dbsym l cycles -7 l
	.dbend
	.dbfunc e delayi _delayi fV
;         cycles -> X-5
_delayi::
	.dbline -1
	push X
	mov X,SP
	.dbline 11
; 
; void delayi(unsigned int cycles)
; {
L7:
	.dbline 12
L8:
	.dbline 12
;   while (cycles--);
	mov A,[X-4]
	mov [__r1],A
	mov A,[X-5]
	mov [__r0],A
	mov A,[__r1]
	sub A,1
	mov [X-4],A
	mov A,[__r0]
	sbb A,0
	mov [X-5],A
	cmp [__r0],0
	jnz L7
	cmp [__r1],0
	jnz L7
X1:
	.dbline -2
	.dbline 13
; }
L6:
	pop X
	.dbline 0 ; func end
	ret
	.dbsym l cycles -5 i
	.dbend
	.dbfunc e delayc _delayc fV
;         cycles -> X-4
_delayc::
	.dbline -1
	push X
	mov X,SP
	.dbline 16
; 
; void delayc(unsigned char cycles)
; {
L11:
	.dbline 17
L12:
	.dbline 17
;   while (cycles--);
	mov A,[X-4]
	mov [__r1],A
	mov [__r0],0
	sub A,1
	mov [__r3],A
	mov A,0
	sbb A,0
	mov A,[__r3]
	mov [X-4],A
	cmp [__r0],0
	jnz L11
	cmp [__r1],0
	jnz L11
X2:
	.dbline -2
	.dbline 18
; }
L10:
	pop X
	.dbline 0 ; func end
	ret
	.dbsym l cycles 0 I
	.dbsym l cycles -4 c
	.dbend