acia.ls

cxstm8 编译器

   1                     ; C Compiler for STM8 (COSMIC Software)
   2                     ; Generator V4.2.8 - 03 Dec 2008
   3                     ; Optimizer V4.2.8 - 03 Dec 2008
2070                     ; 26 char getch(void)
2070                     ; 27 	{
2071                     	switch	.text
2072  0000               f_getch:
2074  0000 88            	push	a
2075       00000001      OFST:	set	1
2078  0001 ce0002        	ldw	x,_ptlec
2079  0004               L7631:
2080                     ; 30 	while (ptlec == ptecr)		/* equal pointers => loop */
2082  0004 c30000        	cpw	x,_ptecr
2083  0007 27fb          	jreq	L7631
2084                     ; 32 	c = *ptlec++;			/* get the received char */
2086  0009 f6            	ld	a,(x)
2087  000a 5c            	incw	x
2088                     ; 33 	if (ptlec >= &buffer[SIZE])	/* put in in buffer */
2090  000b a30044        	cpw	x,#_buffer+64
2091  000e 2503          	jrult	L3731
2092                     ; 34 		ptlec = buffer;
2094  0010 ae0004        	ldw	x,#_buffer
2095  0013               L3731:
2096  0013 cf0002        	ldw	_ptlec,x
2097                     ; 35 	return (c);
2101  0016 5b01          	addw	sp,#1
2102  0018 87            	retf	
2135                     ; 40 void outch(char c)
2135                     ; 41 	{
2136                     	switch	.text
2137  0019               f_outch:
2139  0019 88            	push	a
2140       00000000      OFST:	set	0
2143  001a               L3141:
2144                     ; 42 	while (!(USART_SR & TRDE))	/* wait for READY */
2146  001a 720f4a30fb    	btjf	_USART_SR,#7,L3141
2147                     ; 44 	USART_DR = c;			/* send it */
2149  001f 7b01          	ld	a,(OFST+1,sp)
2150  0021 c74a31        	ld	_USART_DR,a
2151                     ; 45 	}
2154  0024 84            	pop	a
2155  0025 87            	retf	
2181                     ; 51 @interrupt void recept(void)
2181                     ; 52 	{
2182                     	switch	.text
2183  0026               f_recept:
2187                     ; 53 	USART_SR;			/* clear interrupt */
2189  0026 c64a30        	ld	a,_USART_SR
2190                     ; 54 	*ptecr++ = USART_DR;		/* get the char */
2192  0029 ce0000        	ldw	x,_ptecr
2193  002c c64a31        	ld	a,_USART_DR
2194  002f f7            	ld	(x),a
2195  0030 5c            	incw	x
2196                     ; 55 	if (ptecr >= &buffer[SIZE])	/* put it in buffer */
2198  0031 a30044        	cpw	x,#_buffer+64
2199  0034 2503          	jrult	L7241
2200                     ; 56 		ptecr = buffer;
2202  0036 ae0004        	ldw	x,#_buffer
2203  0039               L7241:
2204  0039 cf0000        	ldw	_ptecr,x
2205                     ; 57 	}
2208  003c 80            	iret	
2239                     ; 63 void main(void)
2239                     ; 64 	{
2240                     	switch	.text
2241  003d               f_main:
2245                     ; 65 	ptecr = ptlec = buffer;		/* initialize pointers */
2247  003d ae0004        	ldw	x,#_buffer
2248  0040 cf0002        	ldw	_ptlec,x
2249  0043 cf0000        	ldw	_ptecr,x
2250                     ; 66 	USART_BRR1 = 0xc9;		/* parameter for baud rate */
2252  0046 35c94a32      	mov	_USART_BRR1,#201
2253                     ; 67 	USART_CR1 = 0x00;		/* parameter for word length */
2255  004a 725f4a34      	clr	_USART_CR1
2256                     ; 68 	USART_CR2 = 0x2c;		/* parameters for interrupt */
2258  004e 352c4a35      	mov	_USART_CR2,#44
2259                     ; 69 	rim();				/* authorize interrupts */
2262  0052 9a            	rim	
2264  0053               L1441:
2265                     ; 71 		outch(getch());		/* get and put a char */
2267  0053 8d000000      	callf	f_getch
2269  0057 8d190019      	callf	f_outch
2272  005b 20f6          	jra	L1441
2316                     	xdef	f_main
2317                     	xdef	f_recept
2318                     	xdef	f_outch
2319                     	xdef	f_getch
2320                     	switch	.bss
2321  0000               _ptecr:
2322  0000 0000          	ds.b	2
2323                     	xdef	_ptecr
2324  0002               _ptlec:
2325  0002 0000          	ds.b	2
2326                     	xdef	_ptlec
2327  0004               _buffer:
2328  0004 000000000000  	ds.b	64
2329                     	xdef	_buffer
2349                     	end