;--------------------------------------------------------
; File Created by SDCC : FreeWare ANSI-C Compiler
; Version 2.5.1 #1058 (Jul 15 2005)
; This file generated Fri Jul 15 02:48:19 2005
;--------------------------------------------------------
	.module serial
	.optsdcc -mmcs51 --model-small
	
;--------------------------------------------------------
; Public variables in this module
;--------------------------------------------------------
	.globl _serial_getc
	.globl _serial_putc
	.globl _serial_interrupt_handler
	.globl _serial_init
	.globl _TF2
	.globl _EXF2
	.globl _RCLK
	.globl _TCLK
	.globl _EXEN2
	.globl _TR2
	.globl _C_T2
	.globl _CP_RL2
	.globl _T2CON_7
	.globl _T2CON_6
	.globl _T2CON_5
	.globl _T2CON_4
	.globl _T2CON_3
	.globl _T2CON_2
	.globl _T2CON_1
	.globl _T2CON_0
	.globl _ET2
	.globl _CY
	.globl _AC
	.globl _F0
	.globl _RS1
	.globl _RS0
	.globl _OV
	.globl _F1
	.globl _P
	.globl _PS
	.globl _PT1
	.globl _PX1
	.globl _PT0
	.globl _PX0
	.globl _RD
	.globl _WR
	.globl _T1
	.globl _T0
	.globl _INT1
	.globl _INT0
	.globl _TXD
	.globl _RXD
	.globl _P3_7
	.globl _P3_6
	.globl _P3_5
	.globl _P3_4
	.globl _P3_3
	.globl _P3_2
	.globl _P3_1
	.globl _P3_0
	.globl _EA
	.globl _ES
	.globl _ET1
	.globl _EX1
	.globl _ET0
	.globl _EX0
	.globl _P2_7
	.globl _P2_6
	.globl _P2_5
	.globl _P2_4
	.globl _P2_3
	.globl _P2_2
	.globl _P2_1
	.globl _P2_0
	.globl _SM0
	.globl _SM1
	.globl _SM2
	.globl _REN
	.globl _TB8
	.globl _RB8
	.globl _TI
	.globl _RI
	.globl _P1_7
	.globl _P1_6
	.globl _P1_5
	.globl _P1_4
	.globl _P1_3
	.globl _P1_2
	.globl _P1_1
	.globl _P1_0
	.globl _TF1
	.globl _TR1
	.globl _TF0
	.globl _TR0
	.globl _IE1
	.globl _IT1
	.globl _IE0
	.globl _IT0
	.globl _P0_7
	.globl _P0_6
	.globl _P0_5
	.globl _P0_4
	.globl _P0_3
	.globl _P0_2
	.globl _P0_1
	.globl _P0_0
	.globl _TH2
	.globl _TL2
	.globl _RCAP2H
	.globl _RCAP2L
	.globl _T2CON
	.globl _B
	.globl _ACC
	.globl _PSW
	.globl _IP
	.globl _P3
	.globl _IE
	.globl _P2
	.globl _SBUF
	.globl _SCON
	.globl _P1
	.globl _TH1
	.globl _TH0
	.globl _TL1
	.globl _TL0
	.globl _TMOD
	.globl _TCON
	.globl _PCON
	.globl _DPH
	.globl _DPL
	.globl _SP
	.globl _P0
;--------------------------------------------------------
; special function registers
;--------------------------------------------------------
	.area RSEG    (DATA)
_P0	=	0x0080
_SP	=	0x0081
_DPL	=	0x0082
_DPH	=	0x0083
_PCON	=	0x0087
_TCON	=	0x0088
_TMOD	=	0x0089
_TL0	=	0x008a
_TL1	=	0x008b
_TH0	=	0x008c
_TH1	=	0x008d
_P1	=	0x0090
_SCON	=	0x0098
_SBUF	=	0x0099
_P2	=	0x00a0
_IE	=	0x00a8
_P3	=	0x00b0
_IP	=	0x00b8
_PSW	=	0x00d0
_ACC	=	0x00e0
_B	=	0x00f0
_T2CON	=	0x00c8
_RCAP2L	=	0x00ca
_RCAP2H	=	0x00cb
_TL2	=	0x00cc
_TH2	=	0x00cd
;--------------------------------------------------------
; special function bits 
;--------------------------------------------------------
	.area RSEG    (DATA)
_P0_0	=	0x0080
_P0_1	=	0x0081
_P0_2	=	0x0082
_P0_3	=	0x0083
_P0_4	=	0x0084
_P0_5	=	0x0085
_P0_6	=	0x0086
_P0_7	=	0x0087
_IT0	=	0x0088
_IE0	=	0x0089
_IT1	=	0x008a
_IE1	=	0x008b
_TR0	=	0x008c
_TF0	=	0x008d
_TR1	=	0x008e
_TF1	=	0x008f
_P1_0	=	0x0090
_P1_1	=	0x0091
_P1_2	=	0x0092
_P1_3	=	0x0093
_P1_4	=	0x0094
_P1_5	=	0x0095
_P1_6	=	0x0096
_P1_7	=	0x0097
_RI	=	0x0098
_TI	=	0x0099
_RB8	=	0x009a
_TB8	=	0x009b
_REN	=	0x009c
_SM2	=	0x009d
_SM1	=	0x009e
_SM0	=	0x009f
_P2_0	=	0x00a0
_P2_1	=	0x00a1
_P2_2	=	0x00a2
_P2_3	=	0x00a3
_P2_4	=	0x00a4
_P2_5	=	0x00a5
_P2_6	=	0x00a6
_P2_7	=	0x00a7
_EX0	=	0x00a8
_ET0	=	0x00a9
_EX1	=	0x00aa
_ET1	=	0x00ab
_ES	=	0x00ac
_EA	=	0x00af
_P3_0	=	0x00b0
_P3_1	=	0x00b1
_P3_2	=	0x00b2
_P3_3	=	0x00b3
_P3_4	=	0x00b4
_P3_5	=	0x00b5
_P3_6	=	0x00b6
_P3_7	=	0x00b7
_RXD	=	0x00b0
_TXD	=	0x00b1
_INT0	=	0x00b2
_INT1	=	0x00b3
_T0	=	0x00b4
_T1	=	0x00b5
_WR	=	0x00b6
_RD	=	0x00b7
_PX0	=	0x00b8
_PT0	=	0x00b9
_PX1	=	0x00ba
_PT1	=	0x00bb
_PS	=	0x00bc
_P	=	0x00d0
_F1	=	0x00d1
_OV	=	0x00d2
_RS0	=	0x00d3
_RS1	=	0x00d4
_F0	=	0x00d5
_AC	=	0x00d6
_CY	=	0x00d7
_ET2	=	0x00ad
_T2CON_0	=	0x00c8
_T2CON_1	=	0x00c9
_T2CON_2	=	0x00ca
_T2CON_3	=	0x00cb
_T2CON_4	=	0x00cc
_T2CON_5	=	0x00cd
_T2CON_6	=	0x00ce
_T2CON_7	=	0x00cf
_CP_RL2	=	0x00c8
_C_T2	=	0x00c9
_TR2	=	0x00ca
_EXEN2	=	0x00cb
_TCLK	=	0x00cc
_RCLK	=	0x00cd
_EXF2	=	0x00ce
_TF2	=	0x00cf
;--------------------------------------------------------
; overlayable register banks 
;--------------------------------------------------------
	.area REG_BANK_0	(REL,OVR,DATA)
	.ds 8
	.area REG_BANK_1	(REL,OVR,DATA)
	.ds 8
;--------------------------------------------------------
; internal ram data
;--------------------------------------------------------
	.area DSEG    (DATA)
;--------------------------------------------------------
; overlayable items in internal ram 
;--------------------------------------------------------
	.area	OSEG    (OVR,DATA)
	.area	OSEG    (OVR,DATA)
;--------------------------------------------------------
; indirectly addressable internal ram data
;--------------------------------------------------------
	.area ISEG    (DATA)
;--------------------------------------------------------
; bit data
;--------------------------------------------------------
	.area BSEG    (BIT)
_work_flag_byte_arrived:
	.ds 1
_work_flag_buffer_transfered:
	.ds 1
_tx_serial_buffer_empty:
	.ds 1
_rx_serial_buffer_empty:
	.ds 1
;--------------------------------------------------------
; paged external ram data
;--------------------------------------------------------
	.area PSEG    (PAG,XDATA)
;--------------------------------------------------------
; external ram data
;--------------------------------------------------------
	.area XSEG    (XDATA)
_stx_index_in:
	.ds 1
_srx_index_in:
	.ds 1
_stx_index_out:
	.ds 1
_srx_index_out:
	.ds 1
_stx_buffer:
	.ds 256
_srx_buffer:
	.ds 256
;--------------------------------------------------------
; external initialized ram data
;--------------------------------------------------------
	.area XISEG   (XDATA)
	.area CSEG    (CODE)
	.area GSINIT0 (CODE)
	.area GSINIT1 (CODE)
	.area GSINIT2 (CODE)
	.area GSINIT3 (CODE)
	.area GSINIT4 (CODE)
	.area GSINIT5 (CODE)
;--------------------------------------------------------
; global & static initialisations
;--------------------------------------------------------
	.area CSEG    (CODE)
	.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 'serial_init'
;------------------------------------------------------------
;------------------------------------------------------------
;serial.c:25: void serial_init(void)
;	-----------------------------------------
;	 function serial_init
;	-----------------------------------------
_serial_init:
	ar2 = 0x02
	ar3 = 0x03
	ar4 = 0x04
	ar5 = 0x05
	ar6 = 0x06
	ar7 = 0x07
	ar0 = 0x00
	ar1 = 0x01
;serial.c:27: SCON = 0x50;
;     genAssign
	mov	_SCON,#0x50
;serial.c:28: T2CON = 0x34;
;     genAssign
	mov	_T2CON,#0x34
;serial.c:29: PS = 1;
;     genAssign
	setb	_PS
;serial.c:30: T2CON = 0x34;
;     genAssign
	mov	_T2CON,#0x34
;serial.c:31: RCAP2H = 0xFF;
;     genAssign
	mov	_RCAP2H,#0xFF
;serial.c:32: RCAP2L = 0xDA;
;     genAssign
	mov	_RCAP2L,#0xDA
;serial.c:34: RI = 0;
;     genAssign
	clr	_RI
;serial.c:35: TI = 0;
;     genAssign
	clr	_TI
;serial.c:37: stx_index_in = srx_index_in = stx_index_out = srx_index_out = 0;
;     genAssign
	mov	dptr,#_srx_index_out
;	Peephole 181	changed mov to clr
;     genAssign
;	Peephole 181	changed mov to clr
;	Peephole 219	removed redundant clear
;     genAssign
;	Peephole 181	changed mov to clr
;     genAssign
;	Peephole 181	changed mov to clr
;	Peephole 219	removed redundant clear
;	Peephole 219.a	removed redundant clear
	clr	a
	movx	@dptr,a
	mov	dptr,#_stx_index_out
	movx	@dptr,a
	mov	dptr,#_srx_index_in
	movx	@dptr,a
	mov	dptr,#_stx_index_in
	movx	@dptr,a
;serial.c:38: rx_serial_buffer_empty = tx_serial_buffer_empty = 1;
;     genAssign
	setb	_tx_serial_buffer_empty
;     genAssign
	setb	_rx_serial_buffer_empty
;serial.c:39: work_flag_buffer_transfered = 0;
;     genAssign
	clr	_work_flag_buffer_transfered
;serial.c:40: work_flag_byte_arrived = 0;
;     genAssign
	clr	_work_flag_byte_arrived
;serial.c:41: ES=1;
;     genAssign
	setb	_ES
;	Peephole 300	removed redundant label 00101$
	ret
;------------------------------------------------------------
;Allocation info for local variables in function 'serial_interrupt_handler'
;------------------------------------------------------------
;------------------------------------------------------------
;serial.c:44: void serial_interrupt_handler(void) interrupt 4 using 1
;	-----------------------------------------
;	 function serial_interrupt_handler
;	-----------------------------------------
_serial_interrupt_handler:
	ar2 = 0x0a
	ar3 = 0x0b
	ar4 = 0x0c
	ar5 = 0x0d
	ar6 = 0x0e
	ar7 = 0x0f
	ar0 = 0x08
	ar1 = 0x09
	push	acc
	push	dpl
	push	dph
	push	psw
	mov	psw,#0x08
;serial.c:46: ES=0;
;     genAssign
	clr	_ES
;serial.c:47: if ( RI )
;     genIfx
;     genIfxJump
;	Peephole 111	removed ljmp by inverse jump logic
;serial.c:49: RI = 0;
;     genAssign
;	Peephole 250.a	using atomic test and clear
	jbc	_RI,00113$
	sjmp	00102$
00113$:
;serial.c:50: srx_buffer[srx_index_in++]=SBUF;
;     genAssign
	mov	dptr,#_srx_index_in
	movx	a,@dptr
	mov	r2,a
;     genPlus
	mov	dptr,#_srx_index_in
;     genPlusIncr
	mov	a,#0x01
;	Peephole 236.a	used r2 instead of ar2
	add	a,r2
	movx	@dptr,a
;     genPlus
;	Peephole 236.g	used r2 instead of ar2
	mov	a,r2
	add	a,#_srx_buffer
	mov	dpl,a
;	Peephole 181	changed mov to clr
	clr	a
	addc	a,#(_srx_buffer >> 8)
	mov	dph,a
;     genPointerSet
;     genFarPointerSet
	mov	a,_SBUF
	movx	@dptr,a
;serial.c:51: work_flag_byte_arrived = 1;
;     genAssign
	setb	_work_flag_byte_arrived
;serial.c:52: rx_serial_buffer_empty = 0;
;     genAssign
	clr	_rx_serial_buffer_empty
00102$:
;serial.c:54: if ( TI )
;     genIfx
;     genIfxJump
;	Peephole 111	removed ljmp by inverse jump logic
;serial.c:56: TI = 0;
;     genAssign
;	Peephole 250.a	using atomic test and clear
	jbc	_TI,00114$
	sjmp	00107$
00114$:
;serial.c:57: if (stx_index_out == stx_index_in )
;     genAssign
	mov	dptr,#_stx_index_out
	movx	a,@dptr
	mov	r2,a
;     genAssign
	mov	dptr,#_stx_index_in
	movx	a,@dptr
	mov	r3,a
;     genCmpEq
	mov	a,r2
;	Peephole 112.b	changed ljmp to sjmp
;	Peephole 199	optimized misc jump sequence
	cjne	a,ar3,00104$
;	Peephole 201	removed redundant sjmp
;	Peephole 300	removed redundant label 00115$
00116$:
;serial.c:59: tx_serial_buffer_empty = 1;
;     genAssign
	setb	_tx_serial_buffer_empty
;serial.c:60: work_flag_buffer_transfered = 1;
;     genAssign
	setb	_work_flag_buffer_transfered
;	Peephole 112.b	changed ljmp to sjmp
	sjmp	00107$
00104$:
;serial.c:62: else SBUF = stx_buffer[stx_index_out++];
;     genPlus
	mov	dptr,#_stx_index_out
;     genPlusIncr
	mov	a,#0x01
;	Peephole 236.a	used r2 instead of ar2
	add	a,r2
	movx	@dptr,a
;     genPlus
;	Peephole 236.g	used r2 instead of ar2
	mov	a,r2
	add	a,#_stx_buffer
	mov	dpl,a
;	Peephole 181	changed mov to clr
	clr	a
	addc	a,#(_stx_buffer >> 8)
	mov	dph,a
;     genPointerGet
;     genFarPointerGet
	movx	a,@dptr
	mov	_SBUF,a
00107$:
;serial.c:64: ES=1;
;     genAssign
	setb	_ES
;	Peephole 300	removed redundant label 00108$
	pop	psw
	pop	dph
	pop	dpl
	pop	acc
	reti
;	eliminated unneeded push/pop b
;------------------------------------------------------------
;Allocation info for local variables in function 'serial_putc'
;------------------------------------------------------------
;c                         Allocated to registers r2 
;------------------------------------------------------------
;serial.c:69: void serial_putc(unsigned char c)
;	-----------------------------------------
;	 function serial_putc
;	-----------------------------------------
_serial_putc:
	ar2 = 0x02
	ar3 = 0x03
	ar4 = 0x04
	ar5 = 0x05
	ar6 = 0x06
	ar7 = 0x07
	ar0 = 0x00
	ar1 = 0x01
;     genReceive
	mov	r2,dpl
;serial.c:71: stx_buffer[stx_index_in++]=c;
;     genAssign
	mov	dptr,#_stx_index_in
	movx	a,@dptr
	mov	r3,a
;     genPlus
	mov	dptr,#_stx_index_in
;     genPlusIncr
	mov	a,#0x01
;	Peephole 236.a	used r3 instead of ar3
	add	a,r3
	movx	@dptr,a
;     genPlus
;	Peephole 236.g	used r3 instead of ar3
	mov	a,r3
	add	a,#_stx_buffer
	mov	dpl,a
;	Peephole 181	changed mov to clr
	clr	a
	addc	a,#(_stx_buffer >> 8)
	mov	dph,a
;     genPointerSet
;     genFarPointerSet
	mov	a,r2
	movx	@dptr,a
;serial.c:72: ES=0;
;     genAssign
	clr	_ES
;serial.c:73: if ( tx_serial_buffer_empty )
;     genIfx
;     genIfxJump
;	Peephole 111	removed ljmp by inverse jump logic
;serial.c:75: tx_serial_buffer_empty = 0;
;     genAssign
;	Peephole 250.a	using atomic test and clear
	jbc	_tx_serial_buffer_empty,00106$
	sjmp	00102$
00106$:
;serial.c:76: TI=1;
;     genAssign
	setb	_TI
00102$:
;serial.c:78: ES=1;
;     genAssign
	setb	_ES
;	Peephole 300	removed redundant label 00103$
	ret
;------------------------------------------------------------
;Allocation info for local variables in function 'serial_getc'
;------------------------------------------------------------
;tmp                       Allocated to registers r2 
;------------------------------------------------------------
;serial.c:81: unsigned char serial_getc(void)
;	-----------------------------------------
;	 function serial_getc
;	-----------------------------------------
_serial_getc:
;serial.c:83: unsigned char tmp = srx_buffer[srx_index_out++];
;     genAssign
	mov	dptr,#_srx_index_out
	movx	a,@dptr
	mov	r2,a
;     genPlus
	mov	dptr,#_srx_index_out
;     genPlusIncr
	mov	a,#0x01
;	Peephole 236.a	used r2 instead of ar2
	add	a,r2
	movx	@dptr,a
;     genPlus
;	Peephole 236.g	used r2 instead of ar2
	mov	a,r2
	add	a,#_srx_buffer
	mov	dpl,a
;	Peephole 181	changed mov to clr
	clr	a
	addc	a,#(_srx_buffer >> 8)
	mov	dph,a
;     genPointerGet
;     genFarPointerGet
	movx	a,@dptr
	mov	r2,a
;serial.c:84: ES=0;
;     genAssign
	clr	_ES
;serial.c:85: if ( srx_index_out == srx_index_in) rx_serial_buffer_empty = 1;
;     genAssign
	mov	dptr,#_srx_index_out
	movx	a,@dptr
	mov	r3,a
;     genAssign
	mov	dptr,#_srx_index_in
	movx	a,@dptr
	mov	r4,a
;     genCmpEq
	mov	a,r3
;	Peephole 112.b	changed ljmp to sjmp
;	Peephole 199	optimized misc jump sequence
	cjne	a,ar4,00102$
;	Peephole 201	removed redundant sjmp
;	Peephole 300	removed redundant label 00106$
00107$:
;     genAssign
	setb	_rx_serial_buffer_empty
00102$:
;serial.c:86: ES=1;
;     genAssign
	setb	_ES
;serial.c:87: return tmp;
;     genRet
	mov	dpl,r2
;	Peephole 300	removed redundant label 00103$
	ret
	.area CSEG    (CODE)
	.area CONST   (CODE)
	.area XINIT   (CODE)
