_mululong.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 10:57:26 2001

;--------------------------------------------------------
	.module _mululong
	
;--------------------------------------------------------
; Public variables in this module
;--------------------------------------------------------
	.globl __mululong_PARM_2
	.globl __mululong
;--------------------------------------------------------
; 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)
__mululong_PARM_2::
	.ds 4
__mululong_a_1_1::
	.ds 4
__mululong_t_1_1::
	.ds 4
;--------------------------------------------------------
; 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 '_mululong'
;------------------------------------------------------------
;b                         Allocated to in memory with name '__mululong_PARM_2'
;a                         Allocated to in memory with name '__mululong_a_1_1'
;t                         Allocated to in memory with name '__mululong_t_1_1'
;	_mululong.c 62
;	-----------------------------------------
;	 function _mululong
;	-----------------------------------------
__mululong:
	ar2 = 0x02
	ar3 = 0x03
	ar4 = 0x04
	ar5 = 0x05
	ar6 = 0x06
	ar7 = 0x07
	ar0 = 0x00
	ar1 = 0x01
;	_mululong.c 89
	push	acc
	push	b
	push	dph
	push	dpl
	mov	dptr,#__mululong_a_1_1
	pop	acc
	movx	@dptr,a
	pop	acc
	inc	dptr
	movx	@dptr,a
	pop	acc
	inc	dptr
	movx	@dptr,a
	pop	acc
	inc	dptr
	movx	@dptr,a
;	_mululong.c 66
	mov	dptr,#__mululong_a_1_1
	movx	a,@dptr
	mov	r2,a
	mov	dptr,#(__mululong_PARM_2 + 0x0002)
	movx	a,@dptr
	mov	r3,a
	mov	b,r3
	mov	a,r2
	mul	ab
	mov	r3,a
	mov	r4,b
	mov	dptr,#(__mululong_t_1_1 + 0x0002)
	mov	a,r3
	movx	@dptr,a
	inc	dptr
	mov	a,r4
	movx	@dptr,a
;	_mululong.c 67
	mov	dptr,#__mululong_PARM_2
	movx	a,@dptr
	mov	r3,a
	mov	b,r3
	mov	a,r2
	mul	ab
	mov	r4,a
	mov	r5,b
	mov	dptr,#__mululong_t_1_1
	mov	a,r4
	movx	@dptr,a
	inc	dptr
	mov	a,r5
	movx	@dptr,a
;	_mululong.c 68
	mov	dptr,#(__mululong_t_1_1 + 0x0003)
	movx	a,@dptr
	mov	r4,a
	mov	dptr,#(__mululong_a_1_1 + 0x0003)
	movx	a,@dptr
	mov	r5,a
;	_mululong.c 69
	mov	b,r3
	mov	a,r5
	mul	ab
	mov	r5,a
	mov	r6,b
	mov	r7,#0x00
	mov	a,r5
	add	a,r4
	mov	r5,a
	mov	dptr,#(__mululong_t_1_1 + 0x0003)
	mov	a,r5
	movx	@dptr,a
;	_mululong.c 70
	mov	dptr,#(__mululong_t_1_1 + 0x0003)
	movx	a,@dptr
	mov	r4,a
	mov	dptr,#(__mululong_a_1_1 + 0x0002)
	movx	a,@dptr
	mov	r5,a
;	_mululong.c 71
	mov	dptr,#(__mululong_PARM_2 + 0x0001)
	movx	a,@dptr
	mov	r6,a
	mov	b,r6
	mov	a,r5
	mul	ab
	mov	r5,a
	mov	r7,b
	mov	r6,#0x00
	mov	a,r5
	add	a,r4
	mov	r5,a
	mov	dptr,#(__mululong_t_1_1 + 0x0003)
	mov	a,r5
	movx	@dptr,a
;	_mululong.c 72
	mov	dptr,#(__mululong_t_1_1 + 0x0002)
	movx	a,@dptr
	mov	r4,a
	inc	dptr
	movx	a,@dptr
	mov	r5,a
	mov	dptr,#(__mululong_a_1_1 + 0x0002)
	movx	a,@dptr
	mov	r6,a
	mov	b,r3
	mov	a,r6
	mul	ab
	mov	r6,a
	mov	r7,b
	mov	a,r6
	add	a,r4
	mov	r4,a
	mov	a,r7
	addc	a,r5
	mov	r5,a
	mov	dptr,#(__mululong_t_1_1 + 0x0002)
	mov	a,r4
	movx	@dptr,a
	inc	dptr
	mov	a,r5
	movx	@dptr,a
;	_mululong.c 74
	mov	dptr,#(__mululong_t_1_1 + 0x0002)
	movx	a,@dptr
	mov	r4,a
	inc	dptr
	movx	a,@dptr
	mov	r5,a
	mov	dptr,#(__mululong_a_1_1 + 0x0001)
	movx	a,@dptr
	mov	r6,a
	mov	dptr,#(__mululong_PARM_2 + 0x0001)
	movx	a,@dptr
	mov	r7,a
	mov	b,r7
	mov	a,r6
	mul	ab
	mov	r7,a
	mov	r6,b
	mov	a,r7
	add	a,r4
	mov	r4,a
	mov	a,r6
	addc	a,r5
	mov	r5,a
	mov	dptr,#(__mululong_t_1_1 + 0x0002)
	mov	a,r4
	movx	@dptr,a
	inc	dptr
	mov	a,r5
	movx	@dptr,a
;	_mululong.c 76
	mov	dptr,#(__mululong_a_1_1 + 0x0001)
	movx	a,@dptr
	mov	r4,a
;	_mululong.c 77
	mov	dptr,#(__mululong_PARM_2 + 0x0002)
	movx	a,@dptr
	mov	r5,a
	mov	b,r5
	mov	a,r4
	mul	ab
	mov	r4,a
	mov	dptr,#(__mululong_a_1_1 + 0x0003)
	mov	a,r4
	movx	@dptr,a
;	_mululong.c 78
	mov	dptr,#(__mululong_a_1_1 + 0x0001)
	movx	a,@dptr
	mov	r4,a
;	_mululong.c 79
	mov	b,r3
	mov	a,r4
	mul	ab
	mov	r3,a
	mov	r5,b
	mov	dptr,#(__mululong_a_1_1 + 0x0001)
	mov	a,r3
	movx	@dptr,a
	inc	dptr
	mov	a,r5
	movx	@dptr,a
;	_mululong.c 81
;	_mululong.c 82
	mov	dptr,#(__mululong_PARM_2 + 0x0003)
	movx	a,@dptr
	mov	r3,a
	mov	b,r3
	mov	a,r2
	mul	ab
	mov	r3,a
	mov	dptr,#(__mululong_PARM_2 + 0x0003)
	mov	a,r3
	movx	@dptr,a
;	_mululong.c 83
;	_mululong.c 84
	mov	dptr,#(__mululong_PARM_2 + 0x0001)
	movx	a,@dptr
	mov	r3,a
	mov	b,r3
	mov	a,r2
	mul	ab
	mov	r2,a
	mov	r4,b
	mov	dptr,#(__mululong_PARM_2 + 0x0001)
	mov	a,r2
	movx	@dptr,a
	inc	dptr
	mov	a,r4
	movx	@dptr,a
;	_mululong.c 85
	mov	dptr,#__mululong_PARM_2
; Peephole 180   changed mov to clr
;	_mululong.c 86
; Peephole 180   changed mov to clr
; Peephole 219 removed redundant clear
	clr   a
	movx  @dptr,a
	mov   dptr,#__mululong_a_1_1
	movx  @dptr,a
;	_mululong.c 87
	mov	dptr,#__mululong_t_1_1
	movx	a,@dptr
	mov	r2,a
	inc	dptr
	movx	a,@dptr
	mov	r3,a
	inc	dptr
	movx	a,@dptr
	mov	r4,a
	inc	dptr
	movx	a,@dptr
	mov	r5,a
	mov	dptr,#__mululong_a_1_1
	movx	a,@dptr
	mov	r6,a
	inc	dptr
	movx	a,@dptr
	mov	r7,a
	inc	dptr
	movx	a,@dptr
	mov	r0,a
	inc	dptr
	movx	a,@dptr
	mov	r1,a
	mov	a,r6
	add	a,r2
	mov	r2,a
	mov	a,r7
	addc	a,r3
	mov	r3,a
	mov	a,r0
	addc	a,r4
	mov	r4,a
	mov	a,r1
	addc	a,r5
	mov	r5,a
	mov	dptr,#__mululong_t_1_1
	mov	a,r2
	movx	@dptr,a
	inc	dptr
	mov	a,r3
	movx	@dptr,a
	inc	dptr
	mov	a,r4
	movx	@dptr,a
	inc	dptr
	mov	a,r5
	movx	@dptr,a
;	_mululong.c 89
	mov	dptr,#__mululong_PARM_2
	movx	a,@dptr
	mov	r6,a
	inc	dptr
	movx	a,@dptr
	mov	r7,a
	inc	dptr
	movx	a,@dptr
	mov	r0,a
	inc	dptr
	movx	a,@dptr
	mov	r1,a
	mov	a,r6
	add	a,r2
	mov	r2,a
	mov	a,r7
	addc	a,r3
	mov	r3,a
	mov	a,r0
	addc	a,r4
	mov	r4,a
	mov	a,r1
	addc	a,r5
; Peephole 191   removed redundant mov
	mov  r5,a
	mov  dpl,r2
	mov  dph,r3
	mov  b,r4
00101$:
	ret
	.area CSEG    (CODE)