_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 10:57:14 2001

;--------------------------------------------------------
	.module _slong2fs
	
;--------------------------------------------------------
; 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)
;------------------------------------------------------------
;Allocation info for local variables in function '__slong2fs'
;------------------------------------------------------------
;sl                        Allocated to registers r2 r3 r4 r5 
;	_slong2fs.c 2
;	-----------------------------------------
;	 function __slong2fs
;	-----------------------------------------
___slong2fs:
	ar2 = 0x02
	ar3 = 0x03
	ar4 = 0x04
	ar5 = 0x05
	ar6 = 0x06
	ar7 = 0x07
	ar0 = 0x00
	ar1 = 0x01
;	_slong2fs.c 0
	mov	r2,dpl
	mov	r3,dph
	mov	r4,b
;	_slong2fs.c 3
; Peephole 105   removed redundant mov
	mov  r5,a
; Peephole 111   removed ljmp by inverse jump logic
	jnb  acc.7,00102$
00107$:
;	_slong2fs.c 4
	clr	c
	clr	a
	subb	a,r2
	mov	r6,a
	clr	a
	subb	a,r3
	mov	r7,a
	clr	a
	subb	a,r4
	mov	r0,a
	clr	a
	subb	a,r5
; Peephole 191   removed redundant mov
	mov  r1,a
	mov  dpl,r6
	mov  dph,r7
	mov  b,r0
	push	ar2
	push	ar3
	push	ar4
	push	ar5
	lcall	___ulong2fs
	mov	r6,dpl
	mov	r7,dph
	mov	r0,b
	mov	r1,a
	pop	ar5
	pop	ar4
	pop	ar3
	pop	ar2
	mov	a,r1
	cpl	acc.7
	mov	dpl,r6
	mov	dph,r7
	mov	b,r0
; Peephole 132   changed ljmp to sjmp
	sjmp 00104$
00102$:
;	_slong2fs.c 6
	mov	dpl,r2
	mov	dph,r3
	mov	b,r4
	mov	a,r5
	lcall	___ulong2fs
00104$:
	ret
	.area CSEG    (CODE)