URL https://opencores.org/ocsvn/8051/8051/trunk

Subversion Repositories 8051

[/] [8051/] [trunk/] [asm/] [timer_test.asm] - Blame information for rev 185

Go to most recent revision | Details | Compare with Previous | View Log


; r0: timer 0 owerflov counter
; r1: timer 1 owerflov counter
; r2: error code
; r3: timer high expected value
; r4: timer low expected value
; r5: owerflov counter expected value
 
        ajmp start;
 
        org 03h         ;external interrupt 0
        reti;
 
        org 0bh         ;t/c 0 interrupt
        inc r0;
        nop;
        nop;
        nop;
        nop;
        reti;
 
        org 13h         ;external interrupt 1
        reti;
 
        org 1bh         ;t/c 1 interrupt
        inc r1;
        nop;
        nop;
        nop;
        nop;
        reti;
 
        org 23h         ;serial interface interrupt
        reti;
 
 
test0:
        mov a, th0      ;
        subb a, r3      ;
        jnz error       ;
        inc r2          ;
        mov a,tl0       ;
        subb a, r4      ;
        jnz error       ;
        inc r2          ;
        mov a, r0       ;
        subb a, r5      ;
        jnz error       ;
        ret;
 
test1:
        mov a, th1      ;
        subb a, r3      ;
        jnz error       ;
        inc r2          ;
        mov a,tl1       ;
        subb a, r4      ;
        jnz error       ;
        inc r2          ;
        mov a, r1       ;
        subb a, r5      ;
        jnz error       ;
        ret;
 
 
error:
        mov p0, r2;
        nop;
        ajmp error;
 
wait:
        dec a           ; 1
        nop             ; 1
        nop             ; 1
        nop             ; 1
        nop             ; 1
        nop             ; 1
        nop             ; 1
        nop             ; 1
        jnz wait        ; 4
        ret             ; 4
 
 
start:
        clr a;
        mov r0, a;
        mov r1, a;
        mov ie, #08ah   ;enable interrupts
        clr c;
 
;
; timer 0 test
;
; mode 0
;
        mov tmod, #000h ;t/c 0 and t/c 1 in timer mode 0
        mov th0, #000h  ;load timer 0
        mov tl0, #000h  ;
        mov tcon, #010h ;start timer 0;
 
        mov a, #03h     ; 1
        acall wait      ; 3
        nop;
        nop;
        nop;
 
 
        clr tcon.4      ;stop timer 0
        mov r2, #010h   ;
        mov r3, #000h   ;
        mov r4, #004h   ;
        mov r5, #000h   ;
        acall test0     ;
 
        mov tl0, #01ch  ; load timer 0
        setb tcon.4     ;start timer 0;
 
        mov a, #04h     ; 1
        acall wait      ; 2
        nop;
        nop;
        nop;
        clr tcon.4      ;stop timer 0;
        mov r2, #020h   ;
        mov r3, #001h   ;
        mov r4, #001h   ;
        mov r5, #000h   ;
        acall test0     ;
 
        mov tl0, #01ch  ;
        mov th0, #0ffh  ;
        setb tcon.4     ;start timer 0
        mov a, #05h     ;
        acall wait      ;
        nop;
        nop;
        nop;
        clr tcon.4      ;stop timer 0
        mov r2, #030h   ;
        mov r3, #000h   ;
        mov r4, #003h   ;
        mov r5, #001h   ;
        acall test0     ;
;
; mode 1
;
        mov tmod, #001h ; t/c 0 in mode 1
        mov th0, #000h  ;load timer 0
        mov tl0, #000h  ;
        setb tcon.4     ;start timer 0;
        mov a, #03h     ;
        acall wait      ;
        nop;
        nop;
        nop;
        clr tcon.4      ;stop timer 0
        mov r2, #040h   ;
        mov r3, #000h   ;
        mov r4, #004h   ;
        mov r5, #001h   ;
        acall test0     ;
 
        mov tl0, #0fch  ; load timer 0
        setb tcon.4     ;start timer 0;
        mov a, #04h     ;
        acall wait      ;
        nop;
        nop;
        nop;
        clr tcon.4      ;stop timer 0;
        mov r2, #050h   ;
        mov r3, #001h   ;
        mov r4, #001h   ;
        mov r5, #001h   ;
        acall test0     ;
 
        mov tl0, #0fch  ;
        mov th0, #0ffh  ;
        setb tcon.4     ;start timer 0
        mov a, #05h     ;
        acall wait      ;
        nop;
        nop;
        nop;
        clr tcon.4      ;stop timer 0
        mov r2, #060h   ;
        mov r3, #000h   ;
        mov r4, #003h   ;
        mov r5, #002h   ;
        acall test0     ;
;
; mode 2
;
        mov tmod, #002h ; t/c 0 in mode 2
        mov th0, #000h  ;load timer 0
        mov tl0, #005h  ;
        setb tcon.4     ;start timer 0;
        mov a, #03h     ;
        acall wait      ;
        nop;
        nop;
        nop;
        clr tcon.4      ;stop timer 0
        mov r2, #070h   ;
        mov r3, #000h   ;
        mov r4, #009h   ;
        mov r5, #002h   ;
        acall test0     ;
 
        mov tl0, #0fch  ; load timer 0
        mov th0, #050h  ;
        setb tcon.4     ;start timer 0;
        mov a, #05h     ;
        acall wait      ;
        nop;
        nop;
        nop;
        clr tcon.4      ;stop timer 0;
        mov r2, #080h   ;
        mov r3, #050h   ;
        mov r4, #053h   ;
        mov r5, #003h   ;
        acall test0     ;
;
; mode 3
;
        mov tmod, #003h ; t/c 0 in mode 3
        mov th0, #000h  ;load timer 0
        mov tl0, #000h  ;
        setb tcon.4     ;start timer 0;
        mov a, #03h     ;
        acall wait      ;
        nop;
        nop;
        nop;
        clr tcon.4      ;stop timer 0
        mov r2, #090h   ;
        mov r3, #000h   ;
        mov r4, #004h   ;
        mov r5, #003h   ;
        acall test0     ;
 
        mov tl0, #0fch  ; load timer 0
        mov th0, #000h  ;
        setb tcon.4     ;start timer 0
        mov a, #05h     ;
        acall wait      ;
        nop;
        nop;
        nop;
        clr tcon.4      ;stop timer 0
        mov r2, #0a0h   ;
        mov r3, #000h   ;
        mov r4, #003h   ;
        mov r5, #004h   ;
        acall test0     ;
 
        mov tl0, #000h  ; load timer 0
        mov th0, #000h  ;
        setb tcon.6     ; start timer 1
        mov a, #03h     ;
        acall wait      ;
        nop;
        nop;
        nop;
        clr tcon.6      ; stop timer 1
        mov r2, #0b0h   ;
        mov r3, #004h   ;
        mov r4, #000h   ;
        mov r5, #004h   ;
        acall test0     ;
 
        mov tl0, #000h  ; load timer 0
        mov th0, #0fch  ;
        setb tcon.6     ;start timer 1
        mov a, #05h     ;
        acall wait      ;
        nop;
        nop;
        nop;
        clr tcon.6      ;stop timer 1
        mov r2, #0c0h   ;
        mov r3, #003h   ;
        mov r4, #000h   ;
        mov r5, #001h   ;
        mov r0, 01h     ;
        acall test0     ;
 
        mov p0, #001h   ; test timer 0 done!
        mov r1, #000h   ;
 
;
; timer 1 test
;
; mode 0
;
        mov tmod, #000h ;t/c 0 and t/c 1 in timer mode 0
        mov th1, #000h  ;load timer 1
        mov tl1, #000h  ;
        mov tcon, #040h ;start timer 1;
        mov a, #03h     ;
        acall wait      ;
        nop;
        nop;
        nop;
        clr tcon.6      ;stop timer 1
        mov r2, #018h   ;
        mov r3, #000h   ;
        mov r4, #004h   ;
        mov r5, #000h   ;
        acall test1     ;
 
        mov tl1, #01ch  ; load timer 1
        setb tcon.6     ;start timer 1
        mov a, #04h     ;
        acall wait      ;
        nop;
        nop;
        nop;
        clr tcon.6      ;stop timer 1
        mov r2, #028h   ;
        mov r3, #001h   ;
        mov r4, #001h   ;
        mov r5, #000h   ;
        acall test1     ;
 
        mov tl1, #01ch  ;
        mov th1, #0ffh  ;
        setb tcon.6     ;start timer 1
        mov a, #05h     ;
        acall wait      ;
        nop;
        nop;
        nop;
        clr tcon.6      ;stop timer 1
        mov r2, #038h   ;
        mov r3, #000h   ;
        mov r4, #003h   ;
        mov r5, #001h   ;
        acall test1     ;
;
; mode 1
;
        mov tmod, #010h ; t/c 1 in mode 1
        mov th1, #000h  ;load timer 1
        mov tl1, #000h  ;
        setb tcon.6     ;start timer 1
        mov a, #03h     ;
        acall wait      ;
        nop;
        nop;
        nop;
        clr tcon.6      ;stop timer 1
        mov r2, #048h   ;
        mov r3, #000h   ;
        mov r4, #004h   ;
        mov r5, #001h   ;
        acall test1     ;
 
        mov tl1, #0fch  ; load timer 1
        setb tcon.6     ; start timer 1
        mov a, #04h     ;
        acall wait      ;
        nop;
        nop;
        nop;
        clr tcon.6      ;stop timer 1
        mov r2, #058h   ;
        mov r3, #001h   ;
        mov r4, #001h   ;
        mov r5, #001h   ;
        acall test1     ;
 
        mov tl1, #0fch  ;
        mov th1, #0ffh  ;
        setb tcon.6     ;start timer 1
        mov a, #05h     ;
        acall wait      ;
        nop;
        nop;
        nop;
        clr tcon.6      ;stop timer 1
        mov r2, #068h   ;
        mov r3, #000h   ;
        mov r4, #004h   ;
        mov r5, #002h   ;
        acall test1     ;
;
; mode 2
;
        mov tmod, #020h ; t/c 1 in mode 2
        mov th1, #000h  ;load timer 1
        mov tl1, #005h  ;
        setb tcon.6     ;start timer 1
        mov a, #03h     ;
        acall wait      ;
        nop;
        nop;
        clr tcon.6      ;stop timer 1
        mov r2, #078h   ;
        mov r3, #000h   ;
        mov r4, #009h   ;
        mov r5, #002h   ;
        acall test1     ;
 
        mov tl1, #0fch  ; load timer 1
        mov th1, #050h  ;
        setb tcon.6     ;start timer 1
        mov a, #04h     ;
        acall wait      ;
        nop;
        nop;
        nop;
        clr tcon.6      ;stop timer 1
        mov r2, #088h   ;
        mov r3, #050h   ;
        mov r4, #052h   ;
        mov r5, #003h   ;
        acall test1     ;
;
; mode 3
;
        mov tmod, #030h ; t/c 1 in mode 3
        mov th1, #000h  ;load timer 1
        mov tl1, #000h  ;
        setb tcon.6     ;start timer 1
        mov a, #03h     ;
        acall wait      ;
        nop;
        nop;
        nop;
        clr tcon.6      ;stop timer 1
        mov r2, #098h   ;
        mov r3, #000h   ;
        mov r4, #000h   ;
        mov r5, #003h   ;
        acall test1     ;
 
        mov tl1, #0fch  ; load timer 1
        mov th1, #0ffh  ;
        setb tcon.6     ;start timer 1
        mov a, #05h     ;
        acall wait      ;
        nop;
        nop;
        nop;
        clr tcon.6      ;stop timer 1
        mov r2, #0a8h   ;
        mov r3, #0ffh   ;
        mov r4, #0fch   ;
        mov r5, #003h   ;
        acall test1     ;
 
        mov p0, #002h   ; test timer 1 done!
 
end
 

Line No.	Rev	Author	Line
1	131	simont	`; r0: timer 0 owerflov counter`
2			`; r1: timer 1 owerflov counter`
3			`; r2: error code`
4			`; r3: timer high expected value`
5			`; r4: timer low expected value`
6			`; r5: owerflov counter expected value`
7
8			`ajmp start;`
9
10			`org 03h ;external interrupt 0`
11			`reti;`
12
13			`org 0bh ;t/c 0 interrupt`
14			`inc r0;`
15	155	simont	`nop;`
16			`nop;`
17			`nop;`
18			`nop;`
19	131	simont	`reti;`
20
21			`org 13h ;external interrupt 1`
22			`reti;`
23
24			`org 1bh ;t/c 1 interrupt`
25			`inc r1;`
26	155	simont	`nop;`
27			`nop;`
28			`nop;`
29			`nop;`
30	131	simont	`reti;`
31
32			`org 23h ;serial interface interrupt`
33			`reti;`
34
35
36			`test0:`
37			`mov a, th0 ;`
38			`subb a, r3 ;`
39			`jnz error ;`
40			`inc r2 ;`
41			`mov a,tl0 ;`
42			`subb a, r4 ;`
43			`jnz error ;`
44			`inc r2 ;`
45			`mov a, r0 ;`
46			`subb a, r5 ;`
47			`jnz error ;`
48			`ret;`
49
50			`test1:`
51			`mov a, th1 ;`
52			`subb a, r3 ;`
53			`jnz error ;`
54			`inc r2 ;`
55			`mov a,tl1 ;`
56			`subb a, r4 ;`
57			`jnz error ;`
58			`inc r2 ;`
59			`mov a, r1 ;`
60			`subb a, r5 ;`
61			`jnz error ;`
62			`ret;`
63
64
65			`error:`
66			`mov p0, r2;`
67			`nop;`
68			`ajmp error;`
69
70			`wait:`
71			`dec a ; 1`
72			`nop ; 1`
73			`nop ; 1`
74			`nop ; 1`
75			`nop ; 1`
76			`nop ; 1`
77			`nop ; 1`
78			`nop ; 1`
79	155	simont	`jnz wait ; 4`
80			`ret ; 4`
81	131	simont
82
83			`start:`
84			`clr a;`
85			`mov r0, a;`
86			`mov r1, a;`
87			`mov ie, #08ah ;enable interrupts`
88			`clr c;`
89
90			`;`
91			`; timer 0 test`
92			`;`
93			`; mode 0`
94			`;`
95			`mov tmod, #000h ;t/c 0 and t/c 1 in timer mode 0`
96			`mov th0, #000h ;load timer 0`
97			`mov tl0, #000h ;`
98			`mov tcon, #010h ;start timer 0;`
99
100			`mov a, #03h ; 1`
101	155	simont	`acall wait ; 3`
102	131	simont	`nop;`
103			`nop;`
104			`nop;`
105
106
107			`clr tcon.4 ;stop timer 0`
108			`mov r2, #010h ;`
109			`mov r3, #000h ;`
110			`mov r4, #004h ;`
111			`mov r5, #000h ;`
112			`acall test0 ;`
113
114			`mov tl0, #01ch ; load timer 0`
115			`setb tcon.4 ;start timer 0;`
116
117			`mov a, #04h ; 1`
118			`acall wait ; 2`
119			`nop;`
120			`nop;`
121			`nop;`
122			`clr tcon.4 ;stop timer 0;`
123			`mov r2, #020h ;`
124			`mov r3, #001h ;`
125			`mov r4, #001h ;`
126			`mov r5, #000h ;`
127			`acall test0 ;`
128
129			`mov tl0, #01ch ;`
130			`mov th0, #0ffh ;`
131			`setb tcon.4 ;start timer 0`
132			`mov a, #05h ;`
133			`acall wait ;`
134			`nop;`
135			`nop;`
136			`nop;`
137			`clr tcon.4 ;stop timer 0`
138			`mov r2, #030h ;`
139			`mov r3, #000h ;`
140	155	simont	`mov r4, #003h ;`
141	131	simont	`mov r5, #001h ;`
142			`acall test0 ;`
143			`;`
144			`; mode 1`
145			`;`
146			`mov tmod, #001h ; t/c 0 in mode 1`
147			`mov th0, #000h ;load timer 0`
148			`mov tl0, #000h ;`
149			`setb tcon.4 ;start timer 0;`
150			`mov a, #03h ;`
151			`acall wait ;`
152			`nop;`
153			`nop;`
154			`nop;`
155			`clr tcon.4 ;stop timer 0`
156			`mov r2, #040h ;`
157			`mov r3, #000h ;`
158			`mov r4, #004h ;`
159			`mov r5, #001h ;`
160			`acall test0 ;`
161
162			`mov tl0, #0fch ; load timer 0`
163			`setb tcon.4 ;start timer 0;`
164			`mov a, #04h ;`
165			`acall wait ;`
166			`nop;`
167			`nop;`
168			`nop;`
169			`clr tcon.4 ;stop timer 0;`
170			`mov r2, #050h ;`
171			`mov r3, #001h ;`
172			`mov r4, #001h ;`
173			`mov r5, #001h ;`
174			`acall test0 ;`
175
176			`mov tl0, #0fch ;`
177			`mov th0, #0ffh ;`
178			`setb tcon.4 ;start timer 0`
179			`mov a, #05h ;`
180			`acall wait ;`
181			`nop;`
182			`nop;`
183			`nop;`
184			`clr tcon.4 ;stop timer 0`
185			`mov r2, #060h ;`
186			`mov r3, #000h ;`
187	155	simont	`mov r4, #003h ;`
188	131	simont	`mov r5, #002h ;`
189			`acall test0 ;`
190			`;`
191			`; mode 2`
192			`;`
193			`mov tmod, #002h ; t/c 0 in mode 2`
194			`mov th0, #000h ;load timer 0`
195			`mov tl0, #005h ;`
196			`setb tcon.4 ;start timer 0;`
197			`mov a, #03h ;`
198			`acall wait ;`
199			`nop;`
200			`nop;`
201			`nop;`
202			`clr tcon.4 ;stop timer 0`
203			`mov r2, #070h ;`
204			`mov r3, #000h ;`
205			`mov r4, #009h ;`
206			`mov r5, #002h ;`
207			`acall test0 ;`
208
209			`mov tl0, #0fch ; load timer 0`
210			`mov th0, #050h ;`
211			`setb tcon.4 ;start timer 0;`
212			`mov a, #05h ;`
213			`acall wait ;`
214			`nop;`
215			`nop;`
216			`nop;`
217			`clr tcon.4 ;stop timer 0;`
218			`mov r2, #080h ;`
219			`mov r3, #050h ;`
220			`mov r4, #053h ;`
221			`mov r5, #003h ;`
222			`acall test0 ;`
223			`;`
224			`; mode 3`
225			`;`
226			`mov tmod, #003h ; t/c 0 in mode 3`
227			`mov th0, #000h ;load timer 0`
228			`mov tl0, #000h ;`
229			`setb tcon.4 ;start timer 0;`
230			`mov a, #03h ;`
231			`acall wait ;`
232			`nop;`
233			`nop;`
234			`nop;`
235			`clr tcon.4 ;stop timer 0`
236			`mov r2, #090h ;`
237			`mov r3, #000h ;`
238			`mov r4, #004h ;`
239			`mov r5, #003h ;`
240			`acall test0 ;`
241
242			`mov tl0, #0fch ; load timer 0`
243			`mov th0, #000h ;`
244			`setb tcon.4 ;start timer 0`
245			`mov a, #05h ;`
246			`acall wait ;`
247			`nop;`
248			`nop;`
249			`nop;`
250			`clr tcon.4 ;stop timer 0`
251			`mov r2, #0a0h ;`
252			`mov r3, #000h ;`
253			`mov r4, #003h ;`
254			`mov r5, #004h ;`
255			`acall test0 ;`
256
257			`mov tl0, #000h ; load timer 0`
258			`mov th0, #000h ;`
259			`setb tcon.6 ; start timer 1`
260			`mov a, #03h ;`
261			`acall wait ;`
262			`nop;`
263			`nop;`
264			`nop;`
265			`clr tcon.6 ; stop timer 1`
266			`mov r2, #0b0h ;`
267			`mov r3, #004h ;`
268			`mov r4, #000h ;`
269			`mov r5, #004h ;`
270			`acall test0 ;`
271
272			`mov tl0, #000h ; load timer 0`
273			`mov th0, #0fch ;`
274			`setb tcon.6 ;start timer 1`
275			`mov a, #05h ;`
276			`acall wait ;`
277			`nop;`
278			`nop;`
279			`nop;`
280			`clr tcon.6 ;stop timer 1`
281			`mov r2, #0c0h ;`
282	155	simont	`mov r3, #003h ;`
283	131	simont	`mov r4, #000h ;`
284			`mov r5, #001h ;`
285			`mov r0, 01h ;`
286			`acall test0 ;`
287
288			`mov p0, #001h ; test timer 0 done!`
289			`mov r1, #000h ;`
290
291			`;`
292			`; timer 1 test`
293			`;`
294			`; mode 0`
295			`;`
296			`mov tmod, #000h ;t/c 0 and t/c 1 in timer mode 0`
297			`mov th1, #000h ;load timer 1`
298			`mov tl1, #000h ;`
299			`mov tcon, #040h ;start timer 1;`
300			`mov a, #03h ;`
301			`acall wait ;`
302			`nop;`
303			`nop;`
304			`nop;`
305			`clr tcon.6 ;stop timer 1`
306			`mov r2, #018h ;`
307			`mov r3, #000h ;`
308			`mov r4, #004h ;`
309			`mov r5, #000h ;`
310			`acall test1 ;`
311
312			`mov tl1, #01ch ; load timer 1`
313			`setb tcon.6 ;start timer 1`
314			`mov a, #04h ;`
315			`acall wait ;`
316			`nop;`
317			`nop;`
318			`nop;`
319			`clr tcon.6 ;stop timer 1`
320			`mov r2, #028h ;`
321			`mov r3, #001h ;`
322			`mov r4, #001h ;`
323			`mov r5, #000h ;`
324			`acall test1 ;`
325
326			`mov tl1, #01ch ;`
327			`mov th1, #0ffh ;`
328			`setb tcon.6 ;start timer 1`
329			`mov a, #05h ;`
330			`acall wait ;`
331			`nop;`
332			`nop;`
333			`nop;`
334			`clr tcon.6 ;stop timer 1`
335			`mov r2, #038h ;`
336			`mov r3, #000h ;`
337			`mov r4, #003h ;`
338			`mov r5, #001h ;`
339			`acall test1 ;`
340			`;`
341			`; mode 1`
342			`;`
343			`mov tmod, #010h ; t/c 1 in mode 1`
344			`mov th1, #000h ;load timer 1`
345			`mov tl1, #000h ;`
346			`setb tcon.6 ;start timer 1`
347			`mov a, #03h ;`
348			`acall wait ;`
349			`nop;`
350			`nop;`
351			`nop;`
352			`clr tcon.6 ;stop timer 1`
353			`mov r2, #048h ;`
354			`mov r3, #000h ;`
355			`mov r4, #004h ;`
356			`mov r5, #001h ;`
357			`acall test1 ;`
358
359			`mov tl1, #0fch ; load timer 1`
360			`setb tcon.6 ; start timer 1`
361			`mov a, #04h ;`
362			`acall wait ;`
363			`nop;`
364			`nop;`
365			`nop;`
366			`clr tcon.6 ;stop timer 1`
367			`mov r2, #058h ;`
368			`mov r3, #001h ;`
369			`mov r4, #001h ;`
370			`mov r5, #001h ;`
371			`acall test1 ;`
372
373			`mov tl1, #0fch ;`
374			`mov th1, #0ffh ;`
375			`setb tcon.6 ;start timer 1`
376			`mov a, #05h ;`
377			`acall wait ;`
378			`nop;`
379			`nop;`
380			`nop;`
381			`clr tcon.6 ;stop timer 1`
382			`mov r2, #068h ;`
383			`mov r3, #000h ;`
384	155	simont	`mov r4, #004h ;`
385	131	simont	`mov r5, #002h ;`
386			`acall test1 ;`
387			`;`
388			`; mode 2`
389			`;`
390			`mov tmod, #020h ; t/c 1 in mode 2`
391			`mov th1, #000h ;load timer 1`
392			`mov tl1, #005h ;`
393			`setb tcon.6 ;start timer 1`
394			`mov a, #03h ;`
395			`acall wait ;`
396			`nop;`
397			`nop;`
398			`clr tcon.6 ;stop timer 1`
399			`mov r2, #078h ;`
400			`mov r3, #000h ;`
401			`mov r4, #009h ;`
402			`mov r5, #002h ;`
403			`acall test1 ;`
404
405			`mov tl1, #0fch ; load timer 1`
406			`mov th1, #050h ;`
407			`setb tcon.6 ;start timer 1`
408			`mov a, #04h ;`
409			`acall wait ;`
410			`nop;`
411			`nop;`
412			`nop;`
413			`clr tcon.6 ;stop timer 1`
414			`mov r2, #088h ;`
415			`mov r3, #050h ;`
416	155	simont	`mov r4, #052h ;`
417	131	simont	`mov r5, #003h ;`
418			`acall test1 ;`
419			`;`
420			`; mode 3`
421			`;`
422			`mov tmod, #030h ; t/c 1 in mode 3`
423			`mov th1, #000h ;load timer 1`
424			`mov tl1, #000h ;`
425			`setb tcon.6 ;start timer 1`
426			`mov a, #03h ;`
427			`acall wait ;`
428			`nop;`
429			`nop;`
430			`nop;`
431			`clr tcon.6 ;stop timer 1`
432			`mov r2, #098h ;`
433			`mov r3, #000h ;`
434			`mov r4, #000h ;`
435			`mov r5, #003h ;`
436			`acall test1 ;`
437
438			`mov tl1, #0fch ; load timer 1`
439			`mov th1, #0ffh ;`
440			`setb tcon.6 ;start timer 1`
441			`mov a, #05h ;`
442			`acall wait ;`
443			`nop;`
444			`nop;`
445			`nop;`
446			`clr tcon.6 ;stop timer 1`
447			`mov r2, #0a8h ;`
448			`mov r3, #0ffh ;`
449			`mov r4, #0fch ;`
450			`mov r5, #003h ;`
451			`acall test1 ;`
452
453			`mov p0, #002h ; test timer 1 done!`
454
455			`end`
456

Browse

Tools

Subversion Repositories 8051

[/] [8051/] [trunk/] [asm/] [timer_test.asm] - Blame information for rev 185