_strcpy.asm

来自「很少见的源码公开的msc51和z80的c编译器。」· 汇编 代码 · 共 147 行

;--------------------------------------------------------
; File Created by SDCC : FreeWare ANSI-C Compiler
; Version 2.3.0 Thu Sep 20 10:57:27 2001

;--------------------------------------------------------
	.module _strcpy
	
;--------------------------------------------------------
; Public variables in this module
;--------------------------------------------------------
	.globl _strcpy_PARM_2
	.globl _strcpy
;--------------------------------------------------------
; special function registers
;--------------------------------------------------------
;--------------------------------------------------------
; special function bits 
;--------------------------------------------------------
;--------------------------------------------------------
; internal ram data
;--------------------------------------------------------
	.area DSEG    (DATA)
;--------------------------------------------------------
; overlayable items in internal ram 
;--------------------------------------------------------
	.area OSEG    (OVR,DATA)
;--------------------------------------------------------
; indirectly addressable internal ram data
;--------------------------------------------------------
	.area ISEG    (DATA)
;--------------------------------------------------------
; bit data
;--------------------------------------------------------
	.area BSEG    (BIT)
;--------------------------------------------------------
; external ram data
;--------------------------------------------------------
	.area XSEG    (XDATA)
_strcpy_PARM_2::
	.ds 3
_strcpy_d_1_1::
	.ds 3
;--------------------------------------------------------
; global & static initialisations
;--------------------------------------------------------
	.area GSINIT  (CODE)
	.area GSFINAL (CODE)
	.area GSINIT  (CODE)
;--------------------------------------------------------
; Home
;--------------------------------------------------------
	.area HOME	 (CODE)
	.area CSEG    (CODE)
;--------------------------------------------------------
; code
;--------------------------------------------------------
	.area CSEG    (CODE)
;------------------------------------------------------------
;Allocation info for local variables in function 'strcpy'
;------------------------------------------------------------
;s                         Allocated to in memory with name '_strcpy_PARM_2'
;d                         Allocated to in memory with name '_strcpy_d_1_1'
;d1                        Allocated to in memory with name '_strcpy_d1_1_1'
;	_strcpy.c 31
;	-----------------------------------------
;	 function strcpy
;	-----------------------------------------
_strcpy:
	ar2 = 0x02
	ar3 = 0x03
	ar4 = 0x04
	ar5 = 0x05
	ar6 = 0x06
	ar7 = 0x07
	ar0 = 0x00
	ar1 = 0x01
;	_strcpy.c 47
	push	b
	push	dph
	push	dpl
	mov	dptr,#_strcpy_d_1_1
	pop	acc
	movx	@dptr,a
	pop	acc
	inc	dptr
	movx	@dptr,a
	pop	acc
	inc	dptr
	movx	@dptr,a
;	_strcpy.c 43
	mov	dptr,#_strcpy_d_1_1
	movx	a,@dptr
	mov	r2,a
	inc	dptr
	movx	a,@dptr
	mov	r3,a
	inc	dptr
	movx	a,@dptr
	mov	r4,a
;	_strcpy.c 45
	mov	dptr,#_strcpy_PARM_2
	movx	a,@dptr
	mov	r5,a
	inc	dptr
	movx	a,@dptr
	mov	r6,a
	inc	dptr
	movx	a,@dptr
	mov	r7,a
00101$:
	mov	dpl,r5
	mov	dph,r6
	mov	b,r7
	lcall	__gptrget
	mov	r0,a
	inc	dptr
	mov	r5,dpl
	mov	r6,dph
	mov	dpl,r2
	mov	dph,r3
	mov	b,r4
	mov	a,r0
	lcall	__gptrput
	inc	dptr
	mov	r2,dpl
	mov	r3,dph
	mov	a,r0
; Peephole 109   removed ljmp by inverse jump logic
	jnz  00101$
00108$:
;	_strcpy.c 47
	mov	dptr,#_strcpy_d_1_1
	movx	a,@dptr
	mov	r2,a
	inc	dptr
	movx	a,@dptr
	mov	r3,a
	inc	dptr
	movx	a,@dptr
	mov	r4,a
	mov	dpl,r2
	mov	dph,r3
	mov	b,r4
00104$:
	ret
	.area CSEG    (CODE)