TekUT
Joined: 17 Jun 2008
Beiträge: 413
Geholfen: 23
|  29 Sep 2008 9:38 Re: LCD-Anbindung mit einem PIC - Tutorial -- | | |
|
| file in assembly. Ich habe es in C-Code, aber ich denke, das ist sehr, sehr einfach zu übersetzen die Routine in der LCD-lib.c Datei in der Montage. Lassen Sie es mich wissen, wenn Sie Hilfe benötigen, heute habe ich keine Zeit mehr, aber in den nächsten Tagen kann ich versuchen, die Übersetzung zu ASM.
Um Ihnen zu helfen, in einer Art und Weise habe ich schnell an die ASM-Listing, das ist die Erstellung Ergebnis dann können Sie die Änderung in der einfachen Art und Weise.
| Code: |
--- C: \ Temp \ PIC_LCD \ LCD-lib.c ----------------------------------- -------------------------------
1: void GenDelay (int); / / Funzione pro ritrado generico (<1 secondo)
2: void LongDelay (lang); / / Funzione pro ritrado generico (> 1 secondo)
3: void LCDInit (void);
4: void ClearDisplay (void); / / Absage il contenuto dedl Anzeige
5: void CursorAtHome (void); / / Posiziona il cursore nella posizione di Home
6: void Printxy (unsigned char, unsigned char, unsigned char); / / Visualizza un CARATTERE sul Anzeige
7:
8: / / ---------------------------------------------- -------------------------
9: / / Zweck: Generic Verzögerung (US-Reihe)
10: / / Autor: Powermos
11: / / creazione Date: 25/09/2008
12: / / ---------------------------------------------- -------------------------
13:
14: void GenDelay (int DelayPar)
15: (
16: Loop1:
17: asm ( "clrwdt");
4D4 0064 CLRWDT
18: if (DelayPar> = 0)
4D5 1283 BCF 0x3, 0x5
4D6 1303 BCF 0x3, 0x6
4D7 1BA9 BTFSC 0x29, 0x7
19: (
20: DelayPar -;
4D9 08A8 MOVF 0x28, F
4DA 1903 BTFSC 0x3, 0x2
4DB 03A9 DECF 0x29, F
4DC 03A8 DECF 0x28, F
21: goto Loop1;
4DD 2CD4 GOTO 0x4d4
22:)
23: return;
24:)
4D8 0008 RETURN
25:
26: / / ---------------------------------------------- -------------------------
27: / / Zweck: Generic Verzögerung (ms-Bereich)
28: / / Autor: Powermos
29: / / creazione Date: 25/09/2008
30: / / ---------------------------------------------- -------------------------
31:
32: void LongDelay (lange DelayExt)
33: (
50F 3020 MOVLW 0x20
34: lange DelayInt = 800;
510 0183 CLRF 0x3
511 00A7 MOVWF 0x27
512 3003 MOVLW 0x3
513 00A8 MOVWF 0x28
514 3000 MOVLW 0
515 01A9 CLRF 0x29
516 01AA CLRF 0x2A
35:
36: LoopExt:
37: if (DelayExt> = 0)
517 2D45 GOTO 0x545
545 1BA6 BTFSC 0x26, 0x7
547 2D2A GOTO 0x52a
38: (
39: LoopInt:
40: asm ( "clrwdt");
52A 0064 CLRWDT
41: if (DelayInt> = 0)
52B 1FAA BTFSS 0x2A, 0x7
52C 2D18 GOTO 0x518
42: (
43: DelayInt -;
518 3001 MOVLW 0x1
519 00F0 MOVWF 0x70
51A 01F1 CLRF 0x71
51B 01F2 CLRF 0x72
51C 01F3 CLRF 0x73
51D 02A7 SUBWF 0x27, F
51E 0871 MOVF 0x71 W
51F 1C03 BTFSS 0x3, 0
520 0F71 INCFSZ 0x71 W
521 02A8 SUBWF 0x28, F
522 0872 MOVF 0x72 W
523 1C03 BTFSS 0x3, 0
524 0F72 INCFSZ 0x72 W
525 02A9 SUBWF 0x29, F
526 0873 MOVF 0x73 W
527 1C03 BTFSS 0x3, 0
528 0A73 INCF 0x73 W
529 02AA SUBWF 0x2A, F
44: goto LoopInt;
45:)
46: DelayInt = 800;
52D 3020 MOVLW 0x20
52E 00A7 MOVWF 0x27
52f 3003 MOVLW 0x3
530 00A8 MOVWF 0x28
531 01A9 CLRF 0x29
532 01AA CLRF 0x2A
47: DelayExt -;
533 3001 MOVLW 0x1
534 00F0 MOVWF 0x70
535 01F1 CLRF 0x71
536 01F2 CLRF 0x72
537 01F3 CLRF 0x73
538 02A3 SUBWF 0x23, F
539 0871 MOVF 0x71 W
53A 1C03 BTFSS 0x3, 0
53B 0F71 INCFSZ 0x71 W
53C 02A4 SUBWF 0x24, F
53D 0872 MOVF 0x72 W
53E 1C03 BTFSS 0x3, 0
53F 0F72 INCFSZ 0x72 W
540 02A5 SUBWF 0x25, F
541 0873 MOVF 0x73 W
542 1C03 BTFSS 0x3, 0
543 0A73 INCF 0x73 W
544 02A6 SUBWF 0x26, F
48: goto LoopExt;
49:)
50: return;
51:)
546 0008 RETURN
52:
53: / / ---------------------------------------------- -------------------------
54: / / Zweck: LCD-Initialisierung mit 4-Bit-Schnittstelle
55: / / Autor: Powermos
56: / / creazione Date: 25/09/2008
57: / / ---------------------------------------------- -------------------------
58: void LCDInit (void)
59: (
639 0183 CLRF 0x3
60: char i;
61:
62: / / Code 0x03
63: RS = 0;
63A 1005 BCF 0x5, 0
64: RW = 0;
63B 1085 BCF 0x5, 0x1
65: DB4 = 1;
63C 1486 BSF 0x6, 0x1
66: DB5 = 1;
63D 1506 BSF 0x6, 0x2
67: DB6 = 0;
63E 1186 BCF 0x6, 0x3
68: DB7 = 0;
63F 1206 BCF 0x6, 0x4
69: DE = 1;
640 1505 BSF 0x5, 0x2
70: asm ( "nop");
641 0000 NOP
71: asm ( "nop");
642 0000 NOP
72: asm ( "nop");
643 0000 NOP
73: asm ( "nop");
644 0000 NOP
74: asm ( "nop");
645 0000 NOP
75: EN = 0;
646 1105 BCF 0x5, 0x2
76: for (i = 0; i <8; i )
647 01A3 CLRF 0x23
64C 0AA3 INCF 0x23, F
64D 3008 MOVLW 0x8
64E 0223 SUBWF 0x23 W
64F 1C03 BTFSS 0x3, 0
650 2E48 GOTO 0x648
77: (
78: GenDelay (255); / / Zeitverzögerung 5 ms Minimum
648 30ff MOVLW 0xff
649 00A8 MOVWF 0x28
64A 01A9 CLRF 0x29
64B 24D4 CALL 0x4d4
79:)
80:
81: / / Code 0x03
82: RS = 0;
651 1005 BCF 0x5, 0
83: RW = 0;
652 1085 BCF 0x5, 0x1
84: DB4 = 1;
653 1486 BSF 0x6, 0x1
85: DB5 = 1;
654 1506 BSF 0x6, 0x2
86: DB6 = 0;
655 1186 BCF 0x6, 0x3
87: DB7 = 0;
656 1206 BCF 0x6, 0x4
88: DE = 1;
657 1505 BSF 0x5, 0x2
89: asm ( "nop");
658 0000 NOP
90: asm ( "nop");
659 0000 NOP
91: asm ( "nop");
65A 0000 NOP
92: asm ( "nop");
65B 0000 NOP
93: asm ( "nop");
65C 0000 NOP
94: EN = 0;
65D 1105 BCF 0x5, 0x2
95: GenDelay (60); / / Zeit dalay 160 US Minimum
65E 303C MOVLW 0x3c
65F 00A8 MOVWF 0x28
660 01A9 CLRF 0x29
661 24D4 CALL 0x4d4
96:
97: / / Code 0x03
98: RS = 0;
662 1005 BCF 0x5, 0
99: RW = 0;
663 1085 BCF 0x5, 0x1
100: DB4 = 1;
664 1486 BSF 0x6, 0x1
101: DB5 = 1;
665 1506 BSF 0x6, 0x2
102: DB6 = 0;
666 1186 BCF 0x6, 0x3
103: DB7 = 0;
667 1206 BCF 0x6, 0x4
104: DE = 1;
668 1505 BSF 0x5, 0x2
105: asm ( "nop");
669 0000 NOP
106: asm ( "nop");
66A 0000 NOP
107: asm ( "nop");
66B 0000 NOP
108: asm ( "nop");
66C 0000 NOP
109: asm ( "nop");
66d 0000 NOP
110: EN = 0;
66E 1105 BCF 0x5, 0x2
111: GenDelay (60); / / Zeit dalay 160 US Minimum
66F 303C MOVLW 0x3c
670 00A8 MOVWF 0x28
671 01A9 CLRF 0x29
672 24D4 CALL 0x4d4
112:
113: / / Funktion Set (Code 0x02)
114: RS = 0;
673 1005 BCF 0x5, 0
115: RW = 0;
674 1085 BCF 0x5, 0x1
116: DB4 = 0;
675 1086 BCF 0x6, 0x1
117: DB5 = 1;
676 1506 BSF 0x6, 0x2
118: DB6 = 0;
677 1186 BCF 0x6, 0x3
119: DB7 = 0;
678 1206 BCF 0x6, 0x4
120: DE = 1;
679 1505 BSF 0x5, 0x2
121: asm ( "nop");
67A 0000 NOP
122: asm ( "nop");
67B 0000 NOP
123: asm ( "nop");
67C 0000 NOP
124: asm ( "nop");
67D 0000 NOP
125: asm ( "nop");
67E 0000 NOP
126: EN = 0;
67f 1105 BCF 0x5, 0x2
127: GenDelay (20); / / Warten Sie uns für 59 (Minimum gefordert uns von 37)
680 3014 MOVLW 0x14
681 00A8 MOVWF 0x28
682 01A9 CLRF 0x29
683 24D4 CALL 0x4d4
128:
129: / / Funktion Set (D, N, F)
130: RS = 0;
684 1005 BCF 0x5, 0
131: RW = 0;
685 1085 BCF 0x5, 0x1
132: DB4 = 0; / / D = 0 die 4-Bit-Schnittstelle
686 1086 BCF 0x6, 0x1
133: DB5 = 1;
687 1506 BSF 0x6, 0x2
134: DB6 = 0;
688 1186 BCF 0x6, 0x3
135: DB7 = 0;
689 1206 BCF 0x6, 0x4
136: DE = 1;
68A 1505 BSF 0x5, 0x2
137: asm ( "nop");
68B 0000 NOP
138: asm ( "nop");
68C 0000 NOP
139: asm ( "nop");
68D 0000 NOP
140: asm ( "nop");
68E 0000 NOP
141: asm ( "nop");
68F 0000 NOP
142: EN = 0;
690 1105 BCF 0x5, 0x2
143: DB4 = 0;
691 1086 BCF 0x6, 0x1
144: DB5 = 0;
692 1106 BCF 0x6, 0x2
145: DB6 = 0; / / F = 0 font
693 1186 BCF 0x6, 0x3
146: DB7 = 1; / / N = 1 Display 2 linee
694 1606 BSF 0x6, 0x4
147: DE = 1;
695 1505 BSF 0x5, 0x2
148: asm ( "nop");
696 0000 NOP
149: asm ( "nop");
697 0000 NOP
150: asm ( "nop");
698 0000 NOP
151: asm ( "nop");
699 0000 NOP
152: asm ( "nop");
69A 0000 NOP
153: EN = 0;
69B 1105 BCF 0x5, 0x2
154: GenDelay (20); / / Warten Sie uns für 59 (Minimum gefordert uns von 37)
69C 3014 MOVLW 0x14
69D 00A8 MOVWF 0x28
69E 01A9 CLRF 0x29
69F 24D4 CALL 0x4d4
155:
156: / / Display aus
157: RS = 0;
6A0 1005 BCF 0x5, 0
158: RW = 0;
6A1 1085 BCF 0x5, 0x1
159: DB4 = 0;
6A2 1086 BCF 0x6, 0x1
160: DB5 = 0;
6A3 1106 BCF 0x6, 0x2
161: DB6 = 0;
6A4 1186 BCF 0x6, 0x3
162: DB7 = 0;
6A5 1206 BCF 0x6, 0x4
163: DE = 1;
6A6 1505 BSF 0x5, 0x2
164: asm ( "nop");
6A7 0000 NOP
165: asm ( "nop");
6A8 0000 NOP
166: asm ( "nop");
6A9 0000 NOP
167: asm ( "nop");
6AA 0000 NOP
168: asm ( "nop");
6AB 0000 NOP
169: EN = 0;
6AC 1105 BCF 0x5, 0x2
170: DB4 = 0;
6AD 1086 BCF 0x6, 0x1
171: DB5 = 0;
6AE 1106 BCF 0x6, 0x2
172: DB6 = 0;
6AF 1186 BCF 0x6, 0x3
173: DB7 = 1;
6B0 1606 BSF 0x6, 0x4
174: DE = 1;
6B1 1505 BSF 0x5, 0x2
175: asm ( "nop");
6B2 0000 NOP
176: asm ( "nop");
6B3 0000 NOP
177: asm ( "nop");
6B4 0000 NOP
178: asm ( "nop");
6B5 0000 NOP
179: asm ( "nop");
6B6 0000 NOP
180: EN = 0;
6B7 1105 BCF 0x5, 0x2
181: GenDelay (20); / / Warten Sie uns für 59 (Minimum gefordert uns von 37)
6B8 3014 MOVLW 0x14
6B9 00A8 MOVWF 0x28
6BA 01A9 CLRF 0x29
6BB 24D4 CALL 0x4d4
182:
183: / / Display ON
184: RS = 0;
6BC 1005 BCF 0x5, 0
185: RW = 0;
6BD 1085 BCF 0x5, 0x1
186: DB4 = 0;
6BE 1086 BCF 0x6, 0x1
187: DB5 = 0;
6BF 1106 BCF 0x6, 0x2
188: DB6 = 0;
6C0 1186 BCF 0x6, 0x3
189: DB7 = 0;
6C1 1206 BCF 0x6, 0x4
190: DE = 1;
6C2 1505 BSF 0x5, 0x2
191: asm ( "nop");
6C3 0000 NOP
192: asm ( "nop");
6C4 0000 NOP
193: asm ( "nop");
6C5 0000 NOP
194: asm ( "nop");
6C6 0000 NOP
195: asm ( "nop");
6C7 0000 NOP
196: EN = 0;
6C8 1105 BCF 0x5, 0x2
197: DB4 = 0; / / B (Cursor blinkt ON = 1, OFF = 0)
6C9 1086 BCF 0x6, 0x1
198: DB5 = 0; / / C (Cursor auf = 1, OFF = 0)
6CA 1106 BCF 0x6, 0x2
199: DB6 = 1; / / D (Display ON = 1, OFF = 0)
6CB 1586 BSF 0x6, 0x3
200: DB7 = 1;
6CC 1606 BSF 0x6, 0x4
201: DE = 1;
6CD 1505 BSF 0x5, 0x2
202: asm ( "nop");
6CE 0000 NOP
203: asm ( "nop");
6CF 0000 NOP
204: asm ( "nop");
6D0 0000 NOP
205: asm ( "nop");
6D1 0000 NOP
206: asm ( "nop");
6D2 0000 NOP
207: EN = 0;
6D3 1105 BCF 0x5, 0x2
208: GenDelay (20); / / Warten Sie uns für 59 (Minimum gefordert uns von 37)
6D4 3014 MOVLW 0x14
6D5 00A8 MOVWF 0x28
6D6 01A9 CLRF 0x29
6D7 24D4 CALL 0x4d4
209:
210: / / Entry-Modus eingestellt
211: RS = 0;
6D8 1005 BCF 0x5, 0
212: RW = 0;
6D9 1085 BCF 0x5, 0x1
213: DB4 = 0;
6DA 1086 BCF 0x6, 0x1
214: DB5 = 0;
6dB 1106 BCF 0x6, 0x2
215: DB6 = 0;
6DC 1186 BCF 0x6, 0x3
216: DB7 = 0;
6DD 1206 BCF 0x6, 0x4
217: DE = 1;
6DE 1505 BSF 0x5, 0x2
218: asm ( "nop");
6DF 0000 NOP
219: asm ( "nop");
6E0 0000 NOP
220: asm ( "nop");
6E1 0000 NOP
221: asm ( "nop");
6E2 0000 NOP
222: asm ( "nop");
6E3 0000 NOP
223: EN = 0;
6E4 1105 BCF 0x5, 0x2
224: DB4 = 0; / / S = 0
6E5 1086 BCF 0x6, 0x1
225: DB5 = 1; / / ID = 1
6E6 1506 BSF 0x6, 0x2
226: DB6 = 1;
6E7 1586 BSF 0x6, 0x3
227: DB7 = 0;
6E8 1206 BCF 0x6, 0x4
228: DE = 1;
6E9 1505 BSF 0x5, 0x2
229: asm ( "nop");
6EA 0000 NOP
230: asm ( "nop");
6EB 0000 NOP
231: asm ( "nop");
6EC 0000 NOP
232: asm ( "nop");
6ED 0000 NOP
233: asm ( "nop");
6EE 0000 NOP
234: EN = 0;
6EF 1105 BCF 0x5, 0x2
235: GenDelay (20); / / Warten Sie uns für 59 (Minimum gefordert uns von 37)
6F0 3014 MOVLW 0x14
6F1 00A8 MOVWF 0x28
6F2 01A9 CLRF 0x29
6F3 24D4 CALL 0x4d4
236:
237: ClearDisplay ();
6F4 2CEB GOTO 0x4eb
238:
239: return;
240:)
241:
242: / / ---------------------------------------------- -------------------------
243: / / Zweck: Absage il contenuto dedl Anzeige
244: / / Autor: Powermos
245: / / creazione Date: 25/09/2008
246: / / ---------------------------------------------- -------------------------
247: void ClearDisplay (void)
248: (
4EB 0183 CLRF 0x3
249: char i;
250:
251: / / Clear Display
252: RS = 0;
4EC 1005 BCF 0x5, 0
253: RW = 0;
4ED 1085 BCF 0x5, 0x1
254: DB4 = 0;
4EE 1086 BCF 0x6, 0x1
255: DB5 = 0;
4EF 1106 BCF 0x6, 0x2
256: DB6 = 0;
4F0 1186 BCF 0x6, 0x3
257: DB7 = 0;
4F1 1206 BCF 0x6, 0x4
258: DE = 1;
4F2 1505 BSF 0x5, 0x2
259: asm ( "nop");
4F3 0000 NOP
260: asm ( "nop");
4F4 0000 NOP
261: asm ( "nop");
4F5 0000 NOP
262: asm ( "nop");
4F6 0000 NOP
263: asm ( "nop");
4F7 0000 NOP
264: EN = 0;
4F8 1105 BCF 0x5, 0x2
265: DB4 = 1;
4F9 1486 BSF 0x6, 0x1
266: DB5 = 0;
4FA 1106 BCF 0x6, 0x2
267: DB6 = 0;
4FB 1186 BCF 0x6, 0x3
268: DB7 = 0;
4FC 1206 BCF 0x6, 0x4
269: DE = 1;
4FD 1505 BSF 0x5, 0x2
270: asm ( "nop");
4FE 0000 NOP
271: asm ( "nop");
4FF 0000 NOP
272: asm ( "nop");
500 0000 NOP
273: asm ( "nop");
501 0000 NOP
274: asm ( "nop");
502 0000 NOP
275: EN = 0;
503 1105 BCF 0x5, 0x2
276: for (i = 0; i <8; i )
504 01A4 CLRF 0x24
509 0AA4 INCF 0x24, F
50A 3008 MOVLW 0x8
50B 0224 SUBWF 0x24 W
50C 1803 BTFSC 0x3, 0
50D 0008 RETURN
50E 2D05 GOTO 0x505
277: (
278: GenDelay (255); / / Wait for 5 ms min
505 30ff MOVLW 0xff
279:)
280:
281: return;
282:)
283:
284: / / ---------------------------------------------- -------------------------
285: / / Zweck: die Cursor-Position zu Hause
286: / / Autor: Powermos
287: / / creazione Date: 25/09/2008
288: / / ---------------------------------------------- -------------------------
289: void CursorAtHome (void)
290: (
548 0183 CLRF 0x3
291: unsigned char Position = 0;
549 01A3 CLRF 0x23
292:
293: Position = Position | 0b10000000; / / Set DB7 bis 1
54A 17A3 BSF 0x23, 0x7
294: RS = 0;
54B 1005 BCF 0x5, 0
295: RW = 0;
54C 1085 BCF 0x5, 0x1
296: DB4 = ((Position & 0b00010000) == 16)? 1: 0;
54D 1E23 BTFSS 0x23, 0x4
54E 2D51 GOTO 0x551
54f 1486 BSF 0x6, 0x1
550 2D52 GOTO 0x552
551 1086 BCF 0x6, 0x1
297: DB5 = ((Position & 0b00100000) == 32)? 1: 0;
552 1283 BCF 0x3, 0x5
553 1303 BCF 0x3, 0x6
554 1EA3 BTFSS 0x23, 0x5
555 2D58 GOTO 0x558
556 1506 BSF 0x6, 0x2
557 2D59 GOTO 0x559
558 1106 BCF 0x6, 0x2
298: DB6 = ((Position & 0b01000000) == 64)? 1: 0;
559 1F23 BTFSS 0x23, 0x6
55A 2D5D GOTO 0x55d
55B 1586 BSF 0x6, 0x3
55C 2D5E GOTO 0x55e
55D 1186 BCF 0x6, 0x3
299: DB7 = ((Position & 0b10000000) == 128)? 1: 0;
55E 1FA3 BTFSS 0x23, 0x7
55F 2D62 GOTO 0x562
560 1606 BSF 0x6, 0x4
561 2D63 GOTO 0x563
562 1206 BCF 0x6, 0x4
300: DE = 1;
563 1505 BSF 0x5, 0x2
301: asm ( "nop");
564 0000 NOP
302: asm ( "nop");
565 0000 NOP
303: asm ( "nop");
566 0000 NOP
304: asm ( "nop");
567 0000 NOP
305: asm ( "nop");
568 0000 NOP
306: EN = 0;
569 1105 BCF 0x5, 0x2
307: DB4 = ((Position & 0b00000001) == 1)? 1: 0;
56A 1C23 BTFSS 0x23, 0
56B 2D6E GOTO 0x56e
56C 1486 BSF 0x6, 0x1
56D 2D6F GOTO 0x56f
56E 1086 BCF 0x6, 0x1
308: DB5 = ((Position & 0b00000010) == 2)? 1: 0;
56F 1CA3 BTFSS 0x23, 0x1
570 2D73 GOTO 0x573
571 1506 BSF 0x6, 0x2
572 2D74 GOTO 0x574
573 1106 BCF 0x6, 0x2
309: DB6 = ((Position & 0b00000100) == 4)? 1: 0;
574 1D23 BTFSS 0x23, 0x2
575 2D78 GOTO 0x578
576 1586 BSF 0x6, 0x3
577 2D79 GOTO 0x579
578 1186 BCF 0x6, 0x3
310: DB7 = ((Position & 0b00001000) == 8)? 1: 0;
579 1DA3 BTFSS 0x23, 0x3
57A 2D7D GOTO 0x57d
57B 1606 BSF 0x6, 0x4
57c 2D7E GOTO 0x57e
57D 1206 BCF 0x6, 0x4
311: DE = 1;
57E 1505 BSF 0x5, 0x2
312: asm ( "nop");
57F 0000 NOP
313: asm ( "nop");
580 0000 NOP
314: asm ( "nop");
581 0000 NOP
315: asm ( "nop");
582 0000 NOP
316: asm ( "nop");
583 0000 NOP
317: EN = 0;
584 1105 BCF 0x5, 0x2
318: GenDelay (20); / / Warten Sie, bis ca. 59 uns (Minimum gefordert ist 37 us)
585 3014 MOVLW 0x14
319:
320: return;
321:)
322:
323: / / ---------------------------------------------- -------------------------
324: / / Zweck: ein Zeichen auf dem LCD -
325: / / Input: X-Position, Y-Position, char-Code zu zeigen,
326: / / Output: --
327: / / Autor: Powermos
328: / / creazione Date: 25/09/2008
329: / / ---------------------------------------------- -------------------------
330:
331: void Printxy (unsigned char xpos, unsigned char ypos, unsigned char CharToDisp)
332: (
589 0183 CLRF 0x3
58A 00A5 MOVWF 0x25
333: int position = 0;
58B 01A6 CLRF 0x26
58C 01A7 CLRF 0x27
334: unsigned char Charlo;
335: unsigned char CharHi;
336:
337: // Check if X and Y are valid for the current display
338: if (Xpos > MAXPOSX)
58D 3011 MOVLW 0x11
58E 0225 SUBWF 0x25, W
58F 1C03 BTFSS 0x3, 0
590 2D93 GOTO 0x593
339: Xpos = MAXPOSX;
591 3010 MOVLW 0x10
592 00A5 MOVWF 0x25
340: if (Ypos > MAXPOSY)
593 3003 MOVLW 0x3
594 0223 SUBWF 0x23, W
595 1C03 BTFSS 0x3, 0
596 2DA9 GOTO 0x5a9
341: Ypos = MAXPOSY;
597 3002 MOVLW 0x2
598 00A3 MOVWF 0x23
342:
343: // Calculate the DDRAM address
344: switch (Ypos)
599 2DA9 GOTO 0x5a9
5A9 0823 MOVF 0x23, W
5AA 3A01 XORLW 0x1
5AB 1903 BTFSC 0x3, 0x2
5AC 2DB6 GOTO 0x5b6
5AD 3A03 XORLW 0x3
5AE 1903 BTFSC 0x3, 0x2
5AF 2D9A GOTO 0x59a
5B0 3A01 XORLW 0x1
5B1 1903 BTFSC 0x3, 0x2
5B2 2D9C GOTO 0x59c
5B3 3A07 XORLW 0x7
5B4 1903 BTFSC 0x3, 0x2
5B5 2D9E GOTO 0x59e
345: {
346: case 1 : Position = 0 Xpos;
347: break;
348: case 2 : Position = 64 Xpos;
59A 3040 MOVLW 0x40
59B 2D9F GOTO 0x59f
349: break;
350: case 3 : Position = 20 Xpos;
59C 3014 MOVLW 0x14
59D 2D9F GOTO 0x59f
351: break;
352: case 4 : Position = 84 Xpos;
59E 3054 MOVLW 0x54
59F 00F0 MOVWF 0x70
5A0 01F1 CLRF 0x71
5A1 0825 MOVF 0x25, W
5A2 0770 ADDWF 0x70, W
5A3 00A6 MOVWF 0x26
5A4 0871 MOVF 0x71, W
5A5 1803 BTFSC 0x3, 0
5A6 0A71 INCF 0x71, W
5A7 00A7 MOVWF 0x27
353: break;
5A8 2DB9 GOTO 0x5b9
354: default: Position = 0 Xpos;
5B6 0825 MOVF 0x25, W
5B7 00A6 MOVWF 0x26
5B8 01A7 CLRF 0x27
355: break;
356: }
357:
358: // Set the cursor position (DDRAM address)
359: Position = Position | 0b10000000; // Set DB7 to 1
5B9 17A6 BSF 0x26, 0x7
360: RS = 0;
5BA 1005 BCF 0x5, 0
361: RW = 0;
5BB 1085 BCF 0x5, 0x1
362: DB4 = ((Position & 0b00010000) == 16) ? 1: 0;
5BC 1E26 BTFSS 0x26, 0x4
5BD 2DC0 GOTO 0x5c0
5BE 1486 BSF 0x6, 0x1
5BF 2DC1 GOTO 0x5c1
5C0 1086 BCF 0x6, 0x1
363: DB5 = ((Position & 0b00100000) == 32) ? 1: 0;
5C1 1283 BCF 0x3, 0x5
5C2 1303 BCF 0x3, 0x6
5C3 1EA6 BTFSS 0x26, 0x5
5C4 2DC7 GOTO 0x5c7
5C5 1506 BSF 0x6, 0x2
5C6 2DC8 GOTO 0x5c8
5C7 1106 BCF 0x6, 0x2
364: DB6 = ((Position & 0b01000000) == 64) ? 1: 0;
5C8 1F26 BTFSS 0x26, 0x6
5C9 2DCC GOTO 0x5cc
5CA 1586 BSF 0x6, 0x3
5CB 2DCD GOTO 0x5cd
5CC 1186 BCF 0x6, 0x3
365: DB7 = ((Position & 0b10000000) == 128) ? 1: 0;
5CD 1FA6 BTFSS 0x26, 0x7
5CE 2DD1 GOTO 0x5d1
5CF 1606 BSF 0x6, 0x4
5D0 2DD2 GOTO 0x5d2
5D1 1206 BCF 0x6, 0x4
366: EN = 1;
5D2 1505 BSF 0x5, 0x2
367: asm("nop");
5D3 0000 NOP
368: asm("nop");
5D4 0000 NOP
369: asm("nop");
5D5 0000 NOP
370: asm("nop");
5D6 0000 NOP
371: asm("nop");
5D7 0000 NOP
372: EN = 0;
5D8 1105 BCF 0x5, 0x2
373: DB4 = ((Position & 0b00000001) == 1) ? 1: 0;
5D9 1C26 BTFSS 0x26, 0
5DA 2DDD GOTO 0x5dd
5DB 1486 BSF 0x6, 0x1
5DC 2DDE GOTO 0x5de
5DD 1086 BCF 0x6, 0x1
374: DB5 = ((Position & 0b00000010) == 2) ? 1: 0;
5DE 1CA6 BTFSS 0x26, 0x1
5DF 2DE2 GOTO 0x5e2
5E0 1506 BSF 0x6, 0x2
5E1 2DE3 GOTO 0x5e3
5E2 1106 BCF 0x6, 0x2
375: DB6 = ((Position & 0b00000100) == 4) ? 1: 0;
5E3 1D26 BTFSS 0x26, 0x2
5E4 2DE7 GOTO 0x5e7
5E5 1586 BSF 0x6, 0x3
5E6 2DE8 GOTO 0x5e8
5E7 1186 BCF 0x6, 0x3
376: DB7 = ((Position & 0b00001000) == 8) ? 1: 0;
5E8 1DA6 BTFSS 0x26, 0x3
5E9 2DEC GOTO 0x5ec
5EA 1606 BSF 0x6, 0x4
5EB 2DED GOTO 0x5ed
5EC 1206 BCF 0x6, 0x4
377: EN = 1;
5ED 1505 BSF 0x5, 0x2
378: asm("nop");
5EE 0000 NOP
379: asm("nop");
5EF 0000 NOP
380: asm("nop");
5F0 0000 NOP
381: asm("nop");
5F1 0000 NOP
382: asm("nop");
5F2 0000 NOP
383: EN = 0;
5F3 1105 BCF 0x5, 0x2
384: GenDelay(20); // Wait approx 59 us (minimum requested is 37 us)
5F4 3014 MOVLW 0x14
5F5 00A8 MOVWF 0x28
5F6 01A9 CLRF 0x29
5F7 24D4 CALL 0x4d4
385:
386: // Show the char on the LCD
387: RS = 1;
5F8 1405 BSF 0x5, 0
388: RW = 0;
5F9 1085 BCF 0x5, 0x1
389: DB4 = ((CharToDisp & 0b00010000) == 16) ? 1: 0;
5FA 1E24 BTFSS 0x24, 0x4
5FB 2DFE GOTO 0x5fe
5FC 1486 BSF 0x6, 0x1
5FD 2DFF GOTO 0x5ff
5FE 1086 BCF 0x6, 0x1
390: DB5 = ((CharToDisp & 0b00100000) == 32) ? 1: 0;
5FF 1283 BCF 0x3, 0x5
600 1303 BCF 0x3, 0x6
601 1EA4 BTFSS 0x24, 0x5
602 2E05 GOTO 0x605
603 1506 BSF 0x6, 0x2
604 2E06 GOTO 0x606
605 1106 BCF 0x6, 0x2
391: DB6 = ((CharToDisp & 0b01000000) == 64) ? 1: 0;
606 1F24 BTFSS 0x24, 0x6
607 2E0A GOTO 0x60a
608 1586 BSF 0x6, 0x3
609 2E0B GOTO 0x60b
60A 1186 BCF 0x6, 0x3
392: DB7 = ((CharToDisp & 0b10000000) == 128) ? 1: 0;
60B 1FA4 BTFSS 0x24, 0x7
60C 2E0F GOTO 0x60f
60D 1606 BSF 0x6, 0x4
60E 2E10 GOTO 0x610
60F 1206 BCF 0x6, 0x4
393: EN = 1;
610 1505 BSF 0x5, 0x2
394: asm("nop");
611 0000 NOP
395: asm("nop");
612 0000 NOP
396: asm("nop");
613 0000 NOP
397: asm("nop");
614 0000 NOP
398: asm("nop");
615 0000 NOP
399: EN = 0;
616 1105 BCF 0x5, 0x2
400: DB4 = ((CharToDisp & 0b00000001) == 1) ? 1: 0;
617 1C24 BTFSS 0x24, 0
618 2E1B GOTO 0x61b
619 1486 BSF 0x6, 0x1
61A 2E1C GOTO 0x61c
61B 1086 BCF 0x6, 0x1
401: DB5 = ((CharToDisp & 0b00000010) == 2) ? 1: 0;
61C 1CA4 BTFSS 0x24, 0x1
61D 2E20 GOTO 0x620
61E 1506 BSF 0x6, 0x2
61F 2E21 GOTO 0x621
620 1106 BCF 0x6, 0x2
402: DB6 = ((CharToDisp & 0b00000100) == 4) ? 1: 0;
621 1D24 BTFSS 0x24, 0x2
622 2E25 GOTO 0x625
623 1586 BSF 0x6, 0x3
624 2E26 GOTO 0x626
625 1186 BCF 0x6, 0x3
403: DB7 = ((CharToDisp & 0b00001000) == 8) ? 1: 0;
626 1DA4 BTFSS 0x24, 0x3
627 2E2A GOTO 0x62a
628 1606 BSF 0x6, 0x4
629 2E2B GOTO 0x62b
62A 1206 BCF 0x6, 0x4
404: EN = 1;
62B 1505 BSF 0x5, 0x2
405: asm("nop");
62C 0000 NOP
406: asm("nop");
62D 0000 NOP
407: asm("nop");
62E 0000 NOP
408: asm("nop");
62F 0000 NOP
409: asm("nop");
630 0000 NOP
410: EN = 0;
631 1105 BCF 0x5, 0x2
411: GenDelay(20); // Wait approx 59 us (minimum requested is 37 us)
632 3014 MOVLW 0x14
633 00A8 MOVWF 0x28
634 01A9 CLRF 0x29
635 24D4 CALL 0x4d4
412: RS = 0;
636 1005 BCF 0x5, 0
413: RW = 0;
637 1085 BCF 0x5, 0x1
414:
415: return;
416: }
638 0008 RETURN
--- C:\Temp\PIC_LCD\lcddisp.c ------------------------------------------------------------------
1: #include <pic.h>
2: #include <stdio.h>
3:
4: #include "lcd-lib.h" // Pin definition file for the LCD
5:
6: // ---------------------------------------------------------------------------
7: // Design : LCDDISP.PJT
8: // Purpose : LCD display with PIC16F870 (LCD 2x16) 4 bit interface
9: // Author : Powermos
10: // Date : 25/09/2008
11: // Rev : 0
12: // General : Fosc = 20.000 MHz, C1=C2=33 pF, Rosc2 = 10 Ohm, Hi-Tech compiler
13: // ---------------------------------------------------------------------------
14: //
15: // PORTA
16: // 0 = RS (Data / Instruction register select)
17: // 1 = RW (Read / Write )
18: // 2 = EN (Enable signal, start data read / write)
19: // 3 = NOT USED (Input)
20: // 4 = NOT USED (Input)
21: // 5 = NOT USED (Input)
22: //
23: // PORTB (4 bit data bus display LCD)
24: // 0 = NOT USED (Input)
25: // 1 = NOT USED (Input)
26: // 2 = NOT USED (Input)
27: // 3 = NOT USED (Input)
28: // 4 = DB4
29: // 5 = DB5
30: // 6 = DB6
31: // 7 = DB7
32: //
33: // PORTC
34: // 0 = NOT USED (Input)
35: // 1 = NOT USED (Input)
36: // 2 = NOT USED (Input)
37: // 3 = NOT USED (Input)
38: // 4 = NOT USED (Input)
39: // 5 = NOT USED (Input)
40: // 6 = NOT USED (Input)
41: // 7 = NOT USED (Input)
42: //
43: // ---------------------------------------------------------------------------
44:
45: __CONFIG(0x3F72);
46: __IDLOC(FFFF); // ID0 = 0F, ID1 = 0F, ID2 = 0F, ID3 = 0F
47:
48: // ===========================================================================
49: // GLOBAL VARIABLE DEFINITION
50: // ===========================================================================
51: unsigned char SWVersion[] = "Ver. 1.0";
52: unsigned char SWDate[] = "25/09/2008";
53:
54: // ===========================================================================
55: // FUNCTIONS DECLARATION
56: // ===========================================================================
57: void HardwareInit(void); // Inizializzazione periferiche hardware
58: void interrupt InterruptServiceRoutine(void); // Funzione per gestione interrupt
59:
60: // ===========================================================================
61: // FUNCTIONS DEFINITION
62: // ===========================================================================
63:
64: void HardwareInit(void)
65: {
66: // -----------------------------------------------------------------------
67: // uP hardware initialization
68: // -----------------------------------------------------------------------
69:
70: // ADC off, all digital I/O
71: ADON = 0;
4DE 0183 CLRF 0x3
4DF 101F BCF 0x1f, 0
72: ADCON1 = 0b00000110;
4E0 3006 MOVLW 0x6
4E1 1683 BSF 0x3, 0x5
4E2 009F MOVWF 0x1f
73:
74: // PORT direction register
75: TRISA = 0b11111000;
4E3 30F8 MOVLW 0xf8
4E4 0085 MOVWF 0x5
76: TRISB = 0b11100001;
4E5 30E1 MOVLW 0xe1
4E6 0086 MOVWF 0x6
77: TRISC = 0b11111111;
4E7 30FF MOVLW 0xff
4E8 0087 MOVWF 0x7
78:
79: return;
80: }
4E9 1283 BCF 0x3, 0x5
81:
82: // -----------------------------------------------------------------------
83: // Interrupt handler
84: // -----------------------------------------------------------------------
85:
86: void interrupt InterruptServiceRoutine(void)
87: {
88: GIE = 0;
008 138B BCF 0xb, 0x7
89:
90: // ...........
91:
92: GIE = 1;
009 178B BSF 0xb, 0x7
93: return;
94: }
00A 1303 BCF 0x3, 0x6
95:
96: // -----------------------------------------------------------------------
97: // Include the LCD source code
98: // -----------------------------------------------------------------------
99: #include "lcd-lib.c"
100:
101: // ===========================================================================
102: // MAIN
103: // ===========================================================================
104: void main(void)
105: {
6F5 1283 BCF 0x3, 0x5
106: unsigned char i = 0;
6F6 1303 BCF 0x3, 0x6
6F7 01A2 CLRF 0x22
107: unsigned char Xpos = 0;
6F8 01A0 CLRF 0x20
108: unsigned char Ypos = 0;
6F9 01A1 CLRF 0x21
109:
110: // Init the uP hardware
111: HardwareInit();
6FA 24DE CALL 0x4de
112:
113: // Power-up time (almeno 50 ms)
114: LongDelay(10);
6FB 300A MOVLW 0xa
6FC 00A3 MOVWF 0x23
6FD 01A4 CLRF 0x24
6FE 01A5 CLRF 0x25
6FF 01A6 CLRF 0x26
700 250F CALL 0x50f
115:
116: // Must be the first function called!!!!
117: LCDInit();
701 2639 CALL 0x639
118:
119: // Show the software release version
120: Xpos = 4;
702 3004 MOVLW 0x4
703 00A0 MOVWF 0x20
121: Ypos = 1;
704 01A1 CLRF 0x21
705 0AA1 INCF 0x21, F
122: for(i = 0; i <= 7; i )
706 01A2 CLRF 0x22
712 0AA2 INCF 0x22, F
713 3008 MOVLW 0x8
714 0222 SUBWF 0x22, W
715 1C03 BTFSS 0x3, 0
716 2F07 GOTO 0x707
123: Printxy(Xpos i, Ypos, *(SWVersion i));
707 0821 MOVF 0x21, W
708 00A3 MOVWF 0x23
709 0822 MOVF 0x22, W
70A 3E2B ADDLW 0x2b
70B 0084 MOVWF 0x4
70C 1383 BCF 0x3, 0x7
70D 0800 MOVF 0, W
70E 00A4 MOVWF 0x24
70F 0820 MOVF 0x20, W
710 0722 ADDWF 0x22, W
711 2589 CALL 0x589
124:
125: // Show the data release
126: Xpos = 3;
717 3003 MOVLW 0x3
718 00A0 MOVWF 0x20
127: Ypos = 2;
719 3002 MOVLW 0x2
71A 00A1 MOVWF 0x21
128: for(i = 0; i <= 9; i )
71B 01A2 CLRF 0x22
727 0AA2 INCF 0x22, F
728 300A MOVLW 0xa
729 0222 SUBWF 0x22, W
72A 1C03 BTFSS 0x3, 0
72B 2F1C GOTO 0x71c
129: Printxy(Xpos i, Ypos, *(SWDate i));
71C 0821 MOVF 0x21, W
71D 00A3 MOVWF 0x23
71E 0822 MOVF 0x22, W
71F 3E34 ADDLW 0x34
720 0084 MOVWF 0x4
721 1383 BCF 0x3, 0x7
722 0800 MOVF 0, W
723 00A4 MOVWF 0x24
724 0820 MOVF 0x20, W
725 0722 ADDWF 0x22, W
726 2589 CALL 0x589
130:
131: // Wait for 2s
132: LongDelay(400);
72C 3090 MOVLW 0x90
72D 00A3 MOVWF 0x23
72E 3001 MOVLW 0x1
72F 00A4 MOVWF 0x24
730 3000 MOVLW 0
731 01A5 CLRF 0x25
732 01A6 CLRF 0x26
733 250F CALL 0x50f
133:
134: ClearDisplay();
734 24EB CALL 0x4eb
135:
136: // Write char at the specified location
137: Printxy(0 , 1, 'H');
735 01A3 CLRF 0x23
736 0AA3 INCF 0x23, F
737 3048 MOVLW 0x48
738 00A4 MOVWF 0x24
739 3000 MOVLW 0
73A 2589 CALL 0x589
138: Printxy(1 , 1, 'E');
73B 01A3 CLRF 0x23
73C 0AA3 INCF 0x23, F
73D 3045 MOVLW 0x45
73E 00A4 MOVWF 0x24
73F 3001 MOVLW 0x1
740 2589 CALL 0x589
139: Printxy(2 , 1, 'L');
741 01A3 CLRF 0x23
742 0AA3 INCF 0x23, F
743 304C MOVLW 0x4c
744 00A4 MOVWF 0x24
745 3002 MOVLW 0x2
746 2589 CALL 0x589
140: Printxy(3 , 1, 'L');
747 01A3 CLRF 0x23
748 0AA3 INCF 0x23, F
749 304C MOVLW 0x4c
74A 00A4 MOVWF 0x24
74B 3003 MOVLW 0x3
74C 2589 CALL 0x589
141: Printxy(4 , 1, 'O');
74D 01A3 CLRF 0x23
74E 0AA3 INCF 0x23, F
74F 304F MOVLW 0x4f
750 00A4 MOVWF 0x24
751 3004 MOVLW 0x4
752 2589 CALL 0x589
142: Printxy(5 , 1, ' ');
753 01A3 CLRF 0x23
754 0AA3 INCF 0x23, F
755 3020 MOVLW 0x20
756 00A4 MOVWF 0x24
757 3005 MOVLW 0x5
758 2589 CALL 0x589
143: Printxy(6 , 1, 'W');
759 01A3 CLRF 0x23
75A 0AA3 INCF 0x23, F
75B 3057 MOVLW 0x57
75C 00A4 MOVWF 0x24
75D 3006 MOVLW 0x6
75E 2589 CALL 0x589
144: Printxy(7 , 1, 'O');
75F 01A3 CLRF 0x23
760 0AA3 INCF 0x23, F
761 304F MOVLW 0x4f
762 00A4 MOVWF 0x24
763 3007 MOVLW 0x7
764 2589 CALL 0x589
145: Printxy(8 , 1, 'R');
765 01A3 CLRF 0x23
766 0AA3 INCF 0x23, F
767 3052 MOVLW 0x52
768 00A4 MOVWF 0x24
769 3008 MOVLW 0x8
76A 2589 CALL 0x589
146: Printxy(9, 1, 'L');
76B 01A3 CLRF 0x23
76C 0AA3 INCF 0x23, F
76D 304C MOVLW 0x4c
76E 00A4 MOVWF 0x24
76F 3009 MOVLW 0x9
770 2589 CALL 0x589
147: Printxy(10, 1, 'D');
771 01A3 CLRF 0x23
772 0AA3 INCF 0x23, F
773 3044 MOVLW 0x44
774 00A4 MOVWF 0x24
775 300A MOVLW 0xa
776 2589 CALL 0x589
148: Printxy(11, 1, '!');
777 01A3 CLRF 0x23
778 0AA3 INCF 0x23, F
779 3021 MOVLW 0x21
77A 00A4 MOVWF 0x24
77B 300B MOVLW 0xb
77C 2589 CALL 0x589
149:
150: Printxy(0 , 2, 'L');
77D 3002 MOVLW 0x2
77E 00A3 MOVWF 0x23
77F 304C MOVLW 0x4c
780 00A4 MOVWF 0x24
781 3000 MOVLW 0
782 2589 CALL 0x589
151: Printxy(1 , 2, 'C');
783 3002 MOVLW 0x2
784 00A3 MOVWF 0x23
785 3043 MOVLW 0x43
786 00A4 MOVWF 0x24
787 3001 MOVLW 0x1
788 2589 CALL 0x589
152: Printxy(2 , 2, 'D');
789 3002 MOVLW 0x2
78A 00A3 MOVWF 0x23
78B 3044 MOVLW 0x44
78C 00A4 MOVWF 0x24
78D 3002 MOVLW 0x2
78E 2589 CALL 0x589
153: Printxy(3 , 2, ' ');
78F 3002 MOVLW 0x2
790 00A3 MOVWF 0x23
791 3020 MOVLW 0x20
792 00A4 MOVWF 0x24
793 3003 MOVLW 0x3
794 2589 CALL 0x589
154: Printxy(4 , 2, 'T');
795 3002 MOVLW 0x2
796 00A3 MOVWF 0x23
797 3054 MOVLW 0x54
798 00A4 MOVWF 0x24
799 3004 MOVLW 0x4
79A 2589 CALL 0x589
155: Printxy(5 , 2, 'E');
79B 3002 MOVLW 0x2
79C 00A3 MOVWF 0x23
79D 3045 MOVLW 0x45
79E 00A4 MOVWF 0x24
79F 3005 MOVLW 0x5
7A0 2589 CALL 0x589
156: Printxy(6 , 2, 'S');
7A1 3002 MOVLW 0x2
7A2 00A3 MOVWF 0x23
7A3 3053 MOVLW 0x53
7A4 00A4 MOVWF 0x24
7A5 3006 MOVLW 0x6
7A6 2589 CALL 0x589
157: Printxy(7 , 2, 'T');
7A7 3002 MOVLW 0x2
7A8 00A3 MOVWF 0x23
7A9 3054 MOVLW 0x54
7AA 00A4 MOVWF 0x24
7AB 3007 MOVLW 0x7
7AC 2589 CALL 0x589
158:
159: CursorAtHome();
7AD 2548 CALL 0x548
160:
161: // Wait for 2s
162: LongDelay(400);
7AE 3090 MOVLW 0x90
7AF 00A3 MOVWF 0x23
7B0 3001 MOVLW 0x1
7B1 00A4 MOVWF 0x24
7B2 3000 MOVLW 0
7B3 01A5 CLRF 0x25
7B4 01A6 CLRF 0x26
7B5 250F CALL 0x50f
163:
164: // -----------------------------
165: // Main loop
166: // -----------------------------
167: while (1)
168: {
169: asm("clrwdt");
7B6 0064 CLRWDT
170:
171: for (i=0; i<=MAXPOSX; i )
7B7 01A2 CLRF 0x22
7CC 0AA2 INCF 0x22, F
7CD 3011 MOVLW 0x11
7CE 0222 SUBWF 0x22, W
7CF 1C03 BTFSS 0x3, 0
7D0 2FB8 GOTO 0x7b8
172: {
173: ClearDisplay();
7B8 24EB CALL 0x4eb
174: Printxy(i , 1, '*');
7B9 01A3 CLRF 0x23
7BA 0AA3 INCF 0x23, F
7BB 302A MOVLW 0x2a
7BC 00A4 MOVWF 0x24
7BD 0822 MOVF 0x22, W
7BE 2589 CALL 0x589
175: Printxy(MAXPOSX-i, 2, '*');
7BF 3002 MOVLW 0x2
7C0 00A3 MOVWF 0x23
7C1 302A MOVLW 0x2a
7C2 00A4 MOVWF 0x24
7C3 0822 MOVF 0x22, W
7C4 3C10 SUBLW 0x10
7C5 2589 CALL 0x589
176: LongDelay(10);
7C6 300A MOVLW 0xa
7C7 00A3 MOVWF 0x23
7C8 01A4 CLRF 0x24
7C9 01A5 CLRF 0x25
7CA 01A6 CLRF 0x26
7CB 250F CALL 0x50f
177: }
178:
179: for (i=0; i<=MAXPOSX; i )
7D1 01A2 CLRF 0x22
7E6 0AA2 INCF 0x22, F
180: {
181: ClearDisplay();
7D2 24EB CALL 0x4eb
182: Printxy(MAXPOSX-i , 1, '*');
7D3 01A3 CLRF 0x23
7D4 0AA3 INCF 0x23, F
7D5 302A MOVLW 0x2a
7D6 00A4 MOVWF 0x24
7D7 0822 MOVF 0x22, W
7D8 3C10 SUBLW 0x10
7D9 2589 CALL 0x589
183: Printxy(i , 2, '*');
7DA 3002 MOVLW 0x2
7DB 00A3 MOVWF 0x23
7DC 302A MOVLW 0x2a
7DD 00A4 MOVWF 0x24
7DE 0822 MOVF 0x22, W
7DF 2589 CALL 0x589
184: LongDelay(10);
7E0 300A MOVLW 0xa
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