_modsint.asm

很少见的源码公开的msc51和z80的c编译器。

;--------------------------------------------------------
; File Created by SDCC : FreeWare ANSI-C Compiler
; Version 2.3.0 Thu Sep 20 10:57:37 2001

;--------------------------------------------------------
	.module _modsint
	
.flat24 on		; 24 bit flat addressing
dpx = 0x93		; dpx register unknown to assembler
dps = 0x86		; dps register unknown to assembler
dpl1 = 0x84		; dpl1 register unknown to assembler
dph1 = 0x85		; dph1 register unknown to assembler
dpx1 = 0x95		; dpx1 register unknown to assembler
ap = 0x9C		; ap register unknown to assembler
;--------------------------------------------------------
; Public variables in this module
;--------------------------------------------------------
	.globl __modsint_PARM_2
	.globl __modsint
;--------------------------------------------------------
; 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)
__modsint_PARM_2::
	.ds 2
;--------------------------------------------------------
; global & static initialisations
;--------------------------------------------------------
	.area GSINIT  (CODE)
	.area GSFINAL (CODE)
	.area GSINIT  (CODE)
;--------------------------------------------------------
; Home
;--------------------------------------------------------
	.area HOME	 (CODE)
	.area CSEG    (CODE)
;--------------------------------------------------------
; code
;--------------------------------------------------------
	.area CSEG    (CODE)
;	_modsint.c 26
;	genFunction 
;	-----------------------------------------
;	 function _modsint
;	-----------------------------------------
__modsint:
	ar2 = 0x02
	ar3 = 0x03
	ar4 = 0x04
	ar5 = 0x05
	ar6 = 0x06
	ar7 = 0x07
	ar0 = 0x00
	ar1 = 0x01
;	_modsint.c 0
;	genReceive 
	mov	r2,dpl
	mov	r3,dph
;	_modsint.c 30
;	genCmpLt 
;	genCmp
	mov	a,r3
	rlc	a
	clr	a
	rlc	a
;	genIfx 
; Peephole 105   removed redundant mov
	mov  r4,a
;	genIfxJump 
; Peephole 110   removed ljmp by inverse jump logic
	jz  00106$
00113$:
;	genUminus 
	clr	c
	clr	a
	subb	a,r2
	mov	r5,a
	clr	a
	subb	a,r3
	mov	r6,a
;	genGoto 
;	genLabel 
; Peephole 132   changed ljmp to sjmp
	sjmp 00107$
00106$:
;	genAssign 
;	genAssign: resultIsFar = FALSE
	mov	ar5,r2
	mov	ar6,r3
;	genLabel 
00107$:
;	genAssign 
;	genAssign: resultIsFar = FALSE
	mov	ar2,r5
	mov	ar3,r6
;	_modsint.c 31
;	genCmpLt 
	mov	dptr,#__modsint_PARM_2
;	genCmp
	inc	dptr
	movx	a,@dptr
	rlc	a
	clr	a
	rlc	a
;	genIfx 
; Peephole 105   removed redundant mov
	mov  r5,a
;	genIfxJump 
; Peephole 110   removed ljmp by inverse jump logic
	jz  00108$
00114$:
;	genUminus 
	mov	dptr,#__modsint_PARM_2
	movx	a,@dptr
	setb	c
	cpl	a
	addc	a,#0
	mov	r6,a
	inc	dptr
	movx	a,@dptr
	cpl	a
	addc	a,#0
	mov	r7,a
;	genGoto 
;	genLabel 
; Peephole 132   changed ljmp to sjmp
	sjmp 00109$
00108$:
;	genAssign 
	mov	dptr,#__modsint_PARM_2
;	genAssign: resultIsFar = FALSE
	movx	a,@dptr
	mov	r6,a
	inc	dptr
	movx	a,@dptr
	mov	r7,a
;	genLabel 
00109$:
;	genAssign 
;	genAssign: resultIsFar = TRUE
	mov	dptr,#__moduint_PARM_2
	mov	a,r6
	movx	@dptr,a
	inc	dptr
	mov	a,r7
	movx	@dptr,a
;	genCall 
	push	ar4
	push	ar5
	mov	dpl,r2
	mov	dph,r3
	lcall	__moduint
	mov	r2,dpl
	mov	r3,dph
	pop	ar5
	pop	ar4
;	genAssign 
;	genAssign: resultIsFar = TRUE
;	_modsint.c 33
;	genXor 
	mov	a,r5
	xrl	a,ar4
;	genIfx 
;	genIfxJump 
; Peephole 110   removed ljmp by inverse jump logic
	jz  00102$
00115$:
;	_modsint.c 34
;	genUminus 
	clr	c
	clr	a
	subb	a,r2
	mov	r4,a
	clr	a
	subb	a,r3
	mov	r5,a
;	genRet 
	mov	dpl,r4
	mov	dph,r5
;	genLabel 
; Peephole 132   changed ljmp to sjmp
	sjmp 00104$
00102$:
;	_modsint.c 36
;	genRet 
	mov	dpl,r2
	mov	dph,r3
;	genLabel 
00104$:
;	genEndFunction 
	ret
	.area CSEG    (CODE)