_slong2fs.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 _slong2fs
	
.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 ___slong2fs
;--------------------------------------------------------
; 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)
;--------------------------------------------------------
; global & static initialisations
;--------------------------------------------------------
	.area GSINIT  (CODE)
	.area GSFINAL (CODE)
	.area GSINIT  (CODE)
;--------------------------------------------------------
; Home
;--------------------------------------------------------
	.area HOME	 (CODE)
	.area CSEG    (CODE)
;--------------------------------------------------------
; code
;--------------------------------------------------------
	.area CSEG    (CODE)
;	_slong2fs.c 2
;	genFunction 
;	-----------------------------------------
;	 function __slong2fs
;	-----------------------------------------
___slong2fs:
	ar2 = 0x02
	ar3 = 0x03
	ar4 = 0x04
	ar5 = 0x05
	ar6 = 0x06
	ar7 = 0x07
	ar0 = 0x00
	ar1 = 0x01
;	_slong2fs.c 0
;	genReceive 
	mov	r2,dpl
	mov	r3,dph
	mov	r4,dpx
	mov	r5,b
;	_slong2fs.c 3
;	genCmpLt 
;	genCmp
	mov	a,r5
;	genIfxJump 
; Peephole 111   removed ljmp by inverse jump logic
	jnb  acc.7,00102$
00107$:
;	_slong2fs.c 4
;	genUminus 
	clr	c
	clr	a
	subb	a,r2
	mov	r6,a
	clr	a
	subb	a,r3
	mov	r7,a
	clr	a
	subb	a,r4
	mov	r0,a
	clr	a
	subb	a,r5
	mov	r1,a
;	genCall 
	push	ar2
	push	ar3
	push	ar4
	push	ar5
	mov	dpl,r6
	mov	dph,r7
	mov	dpx,r0
	mov	b,r1
	lcall	___ulong2fs
	mov	r6,dpl
	mov	r7,dph
	mov	r0,dpx
	mov	r1,b
	pop	ar5
	pop	ar4
	pop	ar3
	pop	ar2
;	genUminus 
;	genUminusFloat
	mov	a,r1
	cpl	acc.7
	mov	r1,a
;	genRet 
	mov	dpl,r6
	mov	dph,r7
	mov	dpx,r0
	mov	b,r1
;	genLabel 
; Peephole 132   changed ljmp to sjmp
	sjmp 00104$
00102$:
;	_slong2fs.c 6
;	genAssign 
;	genAssign: resultIsFar = TRUE
;	genCall 
	mov	dpl,r2
	mov	dph,r3
	mov	dpx,r4
	mov	b,r5
	lcall	___ulong2fs
	mov	r2,dpl
	mov	r3,dph
	mov	r4,dpx
	mov	r5,b
;	genRet 
	mov	dpl,r2
	mov	dph,r3
	mov	dpx,r4
	mov	b,r5
;	genLabel 
00104$:
;	genEndFunction 
	ret
	.area CSEG    (CODE)