_fs2slong.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 10:57:12 2001

;--------------------------------------------------------
	.module _fs2slong
	
;--------------------------------------------------------
; Public variables in this module
;--------------------------------------------------------
	.globl ___fs2slong
;--------------------------------------------------------
; 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 '__fs2slong'
;------------------------------------------------------------
;f                         Allocated to registers r2 r3 r4 r5 
;	_fs2slong.c 4
;	-----------------------------------------
;	 function __fs2slong
;	-----------------------------------------
___fs2slong:
	ar2 = 0x02
	ar3 = 0x03
	ar4 = 0x04
	ar5 = 0x05
	ar6 = 0x06
	ar7 = 0x07
	ar0 = 0x00
	ar1 = 0x01
;	_fs2slong.c 0
	mov	r2,dpl
	mov	r3,dph
	mov	r4,b
	mov	r5,a
;	_fs2slong.c 6
	mov	a,r2
	orl	a,r3
	orl	a,r4
	orl	a,r5
; Peephole 109   removed ljmp by inverse jump logic
	jnz  00102$
00116$:
;	_fs2slong.c 7
; Peephole 3.a   changed mov to clr
; Peephole 3.b   changed mov to clr
; Peephole 3.b   changed mov to clr
	clr  a
	mov  dpl,a
	mov  dph,a
	mov  b,a
	ljmp	00110$
00102$:
;	_fs2slong.c 9
	mov	___fslt_PARM_2,#0x00
	mov	(___fslt_PARM_2 + 1),#0x00
	mov	(___fslt_PARM_2 + 2),#0x00
	mov	(___fslt_PARM_2 + 3),#0x00
	mov	dpl,r2
	mov	dph,r3
	mov	b,r4
	mov	a,r5
	push	ar2
	push	ar3
	push	ar4
	push	ar5
	lcall	___fslt
	mov	r6,dpl
	pop	ar5
	pop	ar4
	pop	ar3
	pop	ar2
	mov	a,r6
	jnz	00117$
	ljmp	00108$
00117$:
;	_fs2slong.c 10
	mov	___fsgt_PARM_2,#0x00
	mov	(___fsgt_PARM_2 + 1),#0x00
	mov	(___fsgt_PARM_2 + 2),#0x00
	mov	(___fsgt_PARM_2 + 3),#0xCF
	mov	dpl,r2
	mov	dph,r3
	mov	b,r4
	mov	a,r5
	push	ar2
	push	ar3
	push	ar4
	push	ar5
	lcall	___fsgt
	mov	r6,dpl
	pop	ar5
	pop	ar4
	pop	ar3
	pop	ar2
	mov	a,r6
; Peephole 109   removed ljmp by inverse jump logic
	jnz  00104$
00118$:
;	_fs2slong.c 11
	mov	dpl,#0x01
; Peephole 3.c   changed mov to clr
	clr  a
	mov  dph,a
	mov  b,a
	mov  a,#0x80
	ljmp	00110$
00104$:
;	_fs2slong.c 12
	mov	a,r5
	cpl	acc.7
	mov	dpl,r2
	mov	dph,r3
	mov	b,r4
	push	ar2
	push	ar3
	push	ar4
	push	ar5
	lcall	___fs2ulong
	mov	r6,dpl
	mov	r7,dph
	mov	r0,b
	mov	r1,a
	pop	ar5
	pop	ar4
	pop	ar3
	pop	ar2
	clr	c
	clr	a
	subb	a,r6
	mov	r6,a
	clr	a
	subb	a,r7
	mov	r7,a
	clr	a
	subb	a,r0
	mov	r0,a
	clr	a
	subb	a,r1
; Peephole 191   removed redundant mov
	mov  r1,a
	mov  dpl,r6
	mov  dph,r7
	mov  b,r0
; Peephole 132   changed ljmp to sjmp
	sjmp 00110$
00108$:
;	_fs2slong.c 14
	mov	___fslt_PARM_2,#0x00
	mov	(___fslt_PARM_2 + 1),#0x00
	mov	(___fslt_PARM_2 + 2),#0x00
	mov	(___fslt_PARM_2 + 3),#0x4F
	mov	dpl,r2
	mov	dph,r3
	mov	b,r4
	mov	a,r5
	push	ar2
	push	ar3
	push	ar4
	push	ar5
	lcall	___fslt
	mov	r6,dpl
	pop	ar5
	pop	ar4
	pop	ar3
	pop	ar2
	mov	a,r6
; Peephole 109   removed ljmp by inverse jump logic
	jnz  00106$
00119$:
;	_fs2slong.c 15
; Peephole 182   used 16 bit load of dptr
	mov  dptr,#(((0xFF)<<8) + 0xFF)
	mov	b,#0xFF
	mov	a,#0x7F
; Peephole 132   changed ljmp to sjmp
	sjmp 00110$
00106$:
;	_fs2slong.c 16
	mov	dpl,r2
	mov	dph,r3
	mov	b,r4
	mov	a,r5
	lcall	___fs2ulong
; Peephole 156   removed misc moves via dph, dpl, b, a before return
00110$:
	ret
	.area CSEG    (CODE)