_sint2fs.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 10:57:36 2001

;--------------------------------------------------------
	.module _sint2fs
	
.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 ___sint2fs
;--------------------------------------------------------
; 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)
;	_sint2fs.c 2
;	genFunction 
;	-----------------------------------------
;	 function __sint2fs
;	-----------------------------------------
___sint2fs:
	ar2 = 0x02
	ar3 = 0x03
	ar4 = 0x04
	ar5 = 0x05
	ar6 = 0x06
	ar7 = 0x07
	ar0 = 0x00
	ar1 = 0x01
;	_sint2fs.c 4
;	genReceive 
	mov	r2,dpl
	mov	r3,dph
;	_sint2fs.c 3
;	genCast 
	mov	a,r3
	rlc	a
	subb	a,acc
	mov	r4,a
	mov	r5,a
;	_sint2fs.c 4
;	genCall 
	mov	dpl,r2
	mov	dph,r3
	mov	dpx,r4
	mov	b,r5
	lcall	___slong2fs
	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 
00101$:
;	genEndFunction 
	ret
	.area CSEG    (CODE)