实现ascll码字体(5x7)表编程实例(.asm 格式) .txt

实现ASCll码字体(5x7)表编程实例(.asm 格式)

; Title:
; Code Example on Accessing ASCII font table by using MCS51 assember
;
; www.topwaydispaly.com
; by Kenny Yuen
; 28-Feb-03
;
; The following listing is a subroutine only
; It is going to act as a programming idea only.
; Please evaluate before using it.
; We are not responsible for any lost or damage on using this subroutine.
;



;---------------------
;| Send display data |
;---------------------
SdData:	setb	A0
	setb	_WR 		   ;-WR(R/-W)
	setb	_RD 		   ;-RD(E)
	clr 	_CS1
	clr 	_WR 		   ;-WR(R/-W)
	setb	_WR 		   ;-WR(R/-W)
	setb	_CS1
	ret

;------------------------
;| Send A ASCII Font 8x6|
;------------------------
;the ASCII value store in A
SdChar: push	PSW
	push	ACC
	push	B
	push	DPH
	push	DPL

	mov 	DPTR,	#Font8x6
	mov 	B,	#6	; one Char have 6 byte
	mul 	AB		; find out the offset address
	clr 	C		;
	add 	A,	DPL 	; add the offset to DPTR
	jnc 	NoCarr; DPTR
	inc 	B
NoCarr: mov 	DPL,	A
	mov 	A,	B
	add 	A,	DPH
	mov 	DPH,	A	; New (offseted) address is now in the DPTR

	mov 	A,	#0	; send out the 6 column char
SdChar1:push	ACC
	movc	A,	@A+DPTR
	mov 	LCDData,A
	lcall	SdData
	pop 	ACC
	inc 	A
	cjne	A,	#6, SdChar1

	pop 	DPL
	pop 	DPH
	pop 	B
	pop 	ACC
	pop 	PSW
	ret



; ASCII Font table for LCD display
; 5x7 font
; the font table is included with cursor off,
; and space between font.
; the totally size of the font is 6x8
; The table is only fit for the LCD module
; which is having the following address maping:
; D7=cursor, D6=bottom of char, D0=top of char

Font8x6:
DB	000h, 000h, 000h, 000h, 000h, 000h      ;ASC(00)
DB	03Eh, 05Bh, 04Fh, 05Bh, 03Eh, 000h	;ASC(01)
DB	03Eh, 06Bh, 04Fh, 06Bh, 03Eh, 000h	;ASC(02)
DB	01Ch, 03Eh, 07Ch, 03Eh, 01Ch, 000h
DB	018h, 03Ch, 07Eh, 03Ch, 018h, 000h
DB	01Ch, 057h, 07Dh, 057h, 01Ch, 000h
DB	01Ch, 05Eh, 07Fh, 05Eh, 01Ch, 000h
DB	000h, 018h, 03Ch, 018h, 000h, 000h
DB	0FFh, 0E7h, 0C3h, 0E7h, 0FFh, 000h
DB	000h, 018h, 024h, 018h, 000h, 000h
DB	0FFh, 0E7h, 0DBh, 0E7h, 0FFh, 000h
DB	030h, 048h, 03Ah, 006h, 00Eh, 000h
DB	026h, 029h, 079h, 029h, 026h, 000h
DB	040h, 07Fh, 005h, 005h, 007h, 000h
DB	040h, 07Fh, 005h, 025h, 03Fh, 000h
DB	05Ah, 03Ch, 0E7h, 03Ch, 05Ah, 000h
DB	07Fh, 03Eh, 01Ch, 01Ch, 008h, 000h
DB	008h, 01Ch, 01Ch, 03Eh, 07Fh, 000h
DB	014h, 022h, 07Fh, 022h, 014h, 000h
DB	05Fh, 05Fh, 000h, 05Fh, 05Fh, 000h
DB	006h, 009h, 07Fh, 001h, 07Fh, 000h
DB	000h, 066h, 089h, 095h, 06Ah, 000h
DB	060h, 060h, 060h, 060h, 060h, 060h
DB	094h, 0A2h, 0FFh, 0A2h, 094h, 000h
DB	008h, 004h, 07Eh, 004h, 008h, 000h
DB	010h, 020h, 07Eh, 020h, 010h, 000h
DB	008h, 008h, 02Ah, 01Ch, 008h, 000h
DB	008h, 01Ch, 02Ah, 008h, 008h, 000h
DB	01Eh, 010h, 010h, 010h, 010h, 000h
DB	00Ch, 01Eh, 00Ch, 01Eh, 00Ch, 000h
DB	030h, 038h, 03Eh, 038h, 030h, 000h
DB	006h, 00Eh, 03Eh, 00Eh, 006h, 000h
DB	000h, 000h, 000h, 000h, 000h, 000h
DB	000h, 000h, 05Fh, 000h, 000h, 000h
DB	000h, 007h, 000h, 007h, 000h, 000h
DB	014h, 07Fh, 014h, 07Fh, 014h, 000h
DB	024h, 02Ah, 07Fh, 02Ah, 012h, 000h
DB	023h, 013h, 008h, 064h, 062h, 000h
DB	036h, 049h, 056h, 020h, 050h, 000h
DB	000h, 008h, 007h, 003h, 000h, 000h
DB	000h, 01Ch, 022h, 041h, 000h, 000h
DB	000h, 041h, 022h, 01Ch, 000h, 000h
DB	02Ah, 01Ch, 07Fh, 01Ch, 02Ah, 000h
DB	008h, 008h, 03Eh, 008h, 008h, 000h
DB	000h, 080h, 070h, 030h, 000h, 000h
DB	008h, 008h, 008h, 008h, 008h, 000h
DB	000h, 000h, 060h, 060h, 000h, 000h
DB	020h, 010h, 008h, 004h, 002h, 000h
DB	03Eh, 051h, 049h, 045h, 03Eh, 000h
DB	000h, 042h, 07Fh, 040h, 000h, 000h
DB	072h, 049h, 049h, 049h, 046h, 000h
DB	021h, 041h, 049h, 04Dh, 033h, 000h
DB	018h, 014h, 012h, 07Fh, 010h, 000h
DB	027h, 045h, 045h, 045h, 039h, 000h
DB	03Ch, 04Ah, 049h, 049h, 031h, 000h
DB	041h, 021h, 011h, 009h, 007h, 000h
DB	036h, 049h, 049h, 049h, 036h, 000h
DB	046h, 049h, 049h, 029h, 01Eh, 000h
DB	000h, 000h, 014h, 000h, 000h, 000h
DB	000h, 040h, 034h, 000h, 000h, 000h
DB	000h, 008h, 014h, 022h, 041h, 000h
DB	014h, 014h, 014h, 014h, 014h, 000h
DB	000h, 041h, 022h, 014h, 008h, 000h
DB	002h, 001h, 059h, 009h, 006h, 000h
DB	03Eh, 041h, 05Dh, 059h, 04Eh, 000h
DB	07Ch, 012h, 011h, 012h, 07Ch, 000h
DB	07Fh, 049h, 049h, 049h, 036h, 000h
DB	03Eh, 041h, 041h, 041h, 022h, 000h
DB	07Fh, 041h, 041h, 041h, 03Eh, 000h
DB	07Fh, 049h, 049h, 049h, 041h, 000h
DB	07Fh, 009h, 009h, 009h, 001h, 000h
DB	03Eh, 041h, 041h, 051h, 073h, 000h
DB	07Fh, 008h, 008h, 008h, 07Fh, 000h
DB	000h, 041h, 07Fh, 041h, 000h, 000h
DB	020h, 040h, 041h, 03Fh, 001h, 000h
DB	07Fh, 008h, 014h, 022h, 041h, 000h
DB	07Fh, 040h, 040h, 040h, 040h, 000h
DB	07Fh, 002h, 01Ch, 002h, 07Fh, 000h
DB	07Fh, 004h, 008h, 010h, 07Fh, 000h
DB	03Eh, 041h, 041h, 041h, 03Eh, 000h
DB	07Fh, 009h, 009h, 009h, 006h, 000h
DB	03Eh, 041h, 051h, 021h, 05Eh, 000h
DB	07Fh, 009h, 019h, 029h, 046h, 000h
DB	026h, 049h, 049h, 049h, 032h, 000h
DB	003h, 001h, 07Fh, 001h, 003h, 000h
DB	03Fh, 040h, 040h, 040h, 03Fh, 000h
DB	01Fh, 020h, 040h, 020h, 01Fh, 000h
DB	03Fh, 040h, 038h, 040h, 03Fh, 000h
DB	063h, 014h, 008h, 014h, 063h, 000h
DB	003h, 004h, 078h, 004h, 003h, 000h
DB	061h, 059h, 049h, 04Dh, 043h, 000h
DB	000h, 07Fh, 041h, 041h, 041h, 000h
DB	002h, 004h, 008h, 010h, 020h, 000h
DB	000h, 041h, 041h, 041h, 07Fh, 000h
DB	004h, 002h, 001h, 002h, 004h, 000h
DB	040h, 040h, 040h, 040h, 040h, 000h
DB	000h, 003h, 007h, 008h, 000h, 000h
DB	020h, 054h, 054h, 078h, 040h, 000h
DB	07Fh, 028h, 044h, 044h, 038h, 000h
DB	038h, 044h, 044h, 044h, 028h, 000h
DB	038h, 044h, 044h, 028h, 07Fh, 000h
DB	038h, 054h, 054h, 054h, 018h, 000h
DB	000h, 008h, 07Eh, 009h, 002h, 000h
DB	018h, 0A4h, 0A4h, 09Ch, 078h, 000h
DB	07Fh, 008h, 004h, 004h, 078h, 000h
DB	000h, 044h, 07Dh, 040h, 000h, 000h
DB	020h, 040h, 040h, 03Dh, 000h, 000h
DB	07Fh, 010h, 028h, 044h, 000h, 000h
DB	000h, 041h, 07Fh, 040h, 000h, 000h
DB	07Ch, 004h, 078h, 004h, 078h, 000h
DB	07Ch, 008h, 004h, 004h, 078h, 000h
DB	038h, 044h, 044h, 044h, 038h, 000h
DB	0FCh, 018h, 024h, 024h, 018h, 000h
DB	018h, 024h, 024h, 018h, 0FCh, 000h
DB	07Ch, 008h, 004h, 004h, 008h, 000h
DB	048h, 054h, 054h, 054h, 024h, 000h
DB	004h, 004h, 03Fh, 044h, 024h, 000h
DB	03Ch, 040h, 040h, 020h, 07Ch, 000h
DB	01Ch, 020h, 040h, 020h, 01Ch, 000h
DB	03Ch, 040h, 030h, 040h, 03Ch, 000h
DB	044h, 028h, 010h, 028h, 044h, 000h
DB	04Ch, 090h, 090h, 090h, 07Ch, 000h
DB	044h, 064h, 054h, 04Ch, 044h, 000h
DB	000h, 008h, 036h, 041h, 000h, 000h
DB	000h, 000h, 077h, 000h, 000h, 000h
DB	000h, 041h, 036h, 008h, 000h, 000h
DB	002h, 001h, 002h, 004h, 002h, 000h
DB	03Ch, 026h, 023h, 026h, 03Ch, 000h
DB	01Eh, 0A1h, 0A1h, 061h, 012h, 000h
DB	03Ah, 040h, 040h, 020h, 07Ah, 000h
DB	038h, 054h, 054h, 055h, 059h, 000h
DB	021h, 055h, 055h, 079h, 041h, 000h
DB	021h, 054h, 054h, 078h, 041h, 000h
DB	021h, 055h, 054h, 078h, 040h, 000h
DB	020h, 054h, 055h, 079h, 040h, 000h
DB	00Ch, 01Eh, 052h, 072h, 012h, 000h
DB	039h, 055h, 055h, 055h, 059h, 000h
DB	039h, 054h, 054h, 054h, 059h, 000h
DB	039h, 055h, 054h, 054h, 058h, 000h
DB	000h, 000h, 045h, 07Ch, 041h, 000h
DB	000h, 002h, 045h, 07Dh, 042h, 000h
DB	000h, 001h, 045h, 07Ch, 040h, 000h
DB	0F0h, 029h, 024h, 029h, 0F0h, 000h
DB	0F0h, 028h, 025h, 028h, 0F0h, 000h
DB	07Ch, 054h, 055h, 045h, 000h, 000h
DB	020h, 054h, 054h, 07Ch, 054h, 044h
DB	07Ch, 00Ah, 009h, 07Fh, 049h, 041h
DB	032h, 049h, 049h, 049h, 032h, 000h
DB	032h, 048h, 048h, 048h, 032h, 000h
DB	032h, 04Ah, 048h, 048h, 030h, 000h
DB	03Ah, 041h, 041h, 021h, 07Ah, 000h
DB	03Ah, 042h, 040h, 020h, 078h, 000h
DB	000h, 09Dh, 0A0h, 0A0h, 07Dh, 000h
DB	039h, 044h, 044h, 044h, 039h, 000h
DB	03Dh, 040h, 040h, 040h, 03Dh, 000h
DB	03Ch, 024h, 0FFh, 024h, 024h, 000h
DB	048h, 07Eh, 049h, 043h, 066h, 000h
DB	02Bh, 02Fh, 0FCh, 02Fh, 02Bh, 000h
DB	0FFh, 009h, 029h, 0F6h, 020h, 000h
DB	0C0h, 088h, 07Eh, 009h, 003h, 000h
DB	020h, 054h, 054h, 079h, 041h, 000h
DB	000h, 000h, 044h, 07Dh, 041h, 000h
DB	030h, 048h, 048h, 04Ah, 032h, 000h
DB	038h, 040h, 040h, 022h, 07Ah, 000h
DB	000h, 07Ah, 00Ah, 00Ah, 072h, 000h
DB	07Dh, 00Dh, 019h, 031h, 07Dh, 000h
DB	026h, 029h, 029h, 02Fh, 028h, 000h
DB	026h, 029h, 029h, 029h, 026h, 000h
DB	030h, 048h, 04Dh, 040h, 020h, 000h
DB	038h, 008h, 008h, 008h, 008h, 000h
DB	008h, 008h, 008h, 008h, 038h, 000h
DB	02Fh, 010h, 0C8h, 0ACh, 0BAh, 000h
DB	02Fh, 010h, 028h, 034h, 0FAh, 000h
DB	000h, 000h, 07Bh, 000h, 000h, 000h
DB	008h, 014h, 02Ah, 014h, 022h, 000h
DB	022h, 014h, 02Ah, 014h, 008h, 000h
DB	0AAh, 000h, 055h, 000h, 0AAh, 000h
DB	0AAh, 055h, 0AAh, 055h, 0AAh, 055h
DB	055h, 0AAh, 055h, 0AAh, 055h, 0AAh
DB	000h, 000h, 000h, 0FFh, 000h, 000h
DB	010h, 010h, 010h, 0FFh, 000h, 000h
DB	014h, 014h, 014h, 0FFh, 000h, 000h
DB	010h, 010h, 0FFh, 000h, 0FFh, 000h
DB	010h, 010h, 0F0h, 010h, 0F0h, 000h
DB	014h, 014h, 014h, 0FCh, 000h, 000h
DB	014h, 014h, 0F7h, 000h, 0FFh, 000h
DB	000h, 000h, 0FFh, 000h, 0FFh, 000h
DB	014h, 014h, 0F4h, 004h, 0FCh, 000h
DB	014h, 014h, 017h, 010h, 01Fh, 000h
DB	010h, 010h, 01Fh, 010h, 01Fh, 000h
DB	014h, 014h, 014h, 01Fh, 000h, 000h
DB	010h, 010h, 010h, 0F0h, 000h, 000h
DB	000h, 000h, 000h, 01Fh, 010h, 010h
DB	010h, 010h, 010h, 01Fh, 010h, 010h
DB	010h, 010h, 010h, 0F0h, 010h, 010h
DB	000h, 000h, 000h, 0FFh, 010h, 010h
DB	010h, 010h, 010h, 010h, 010h, 010h
DB	010h, 010h, 010h, 0FFh, 010h, 010h
DB	000h, 000h, 000h, 0FFh, 014h, 014h
DB	000h, 000h, 0FFh, 000h, 0FFh, 010h
DB	000h, 000h, 01Fh, 010h, 017h, 014h
DB	000h, 000h, 0FCh, 004h, 0F4h, 014h
DB	014h, 014h, 017h, 010h, 017h, 014h
DB	014h, 014h, 0F4h, 004h, 0F4h, 014h
DB	000h, 000h, 0FFh, 000h, 0F7h, 014h
DB	014h, 014h, 014h, 014h, 014h, 014h
DB	014h, 014h, 0F7h, 000h, 0F7h, 014h
DB	014h, 014h, 014h, 017h, 014h, 014h
DB	010h, 010h, 01Fh, 010h, 01Fh, 010h
DB	014h, 014h, 014h, 0F4h, 014h, 014h
DB	010h, 010h, 0F0h, 010h, 0F0h, 010h
DB	000h, 000h, 01Fh, 010h, 01Fh, 010h
DB	000h, 000h, 000h, 01Fh, 014h, 014h
DB	000h, 000h, 000h, 0FCh, 014h, 014h
DB	000h, 000h, 0F0h, 010h, 0F0h, 010h
DB	010h, 010h, 0FFh, 010h, 0FFh, 010h
DB	014h, 014h, 014h, 0FFh, 014h, 014h
DB	010h, 010h, 010h, 01Fh, 000h, 000h
DB	000h, 000h, 000h, 0F0h, 010h, 010h
DB	0FFh, 0FFh, 0FFh, 0FFh, 0FFh, 0FFh
DB	0F0h, 0F0h, 0F0h, 0F0h, 0F0h, 0F0h
DB	0FFh, 0FFh, 0FFh, 000h, 000h, 000h
DB	000h, 000h, 000h, 0FFh, 0FFh, 0FFh
DB	00Fh, 00Fh, 00Fh, 00Fh, 00Fh, 00Fh
DB	038h, 044h, 044h, 038h, 044h, 000h
DB	07Ch, 02Ah, 02Ah, 03Eh, 014h, 000h
DB	07Eh, 002h, 002h, 006h, 006h, 000h
DB	002h, 07Eh, 002h, 07Eh, 002h, 000h
DB	063h, 055h, 049h, 041h, 063h, 000h
DB	038h, 044h, 044h, 03Ch, 004h, 000h
DB	040h, 07Eh, 020h, 01Eh, 020h, 000h
DB	006h, 002h, 07Eh, 002h, 002h, 000h
DB	099h, 0A5h, 0E7h, 0A5h, 099h, 000h
DB	01Ch, 02Ah, 049h, 02Ah, 01Ch, 000h
DB	04Ch, 072h, 001h, 072h, 04Ch, 000h
DB	030h, 04Ah, 04Dh, 04Dh, 030h, 000h
DB	030h, 048h, 078h, 048h, 030h, 000h
DB	0BCh, 062h, 05Ah, 046h, 03Dh, 000h
DB	03Eh, 049h, 049h, 049h, 000h, 000h
DB	07Eh, 001h, 001h, 001h, 07Eh, 000h
DB	02Ah, 02Ah, 02Ah, 02Ah, 02Ah, 000h
DB	044h, 044h, 05Fh, 044h, 044h, 000h
DB	040h, 051h, 04Ah, 044h, 040h, 000h
DB	040h, 044h, 04Ah, 051h, 040h, 000h
DB	000h, 000h, 0FFh, 001h, 003h, 000h
DB	0E0h, 080h, 0FFh, 000h, 000h, 000h
DB	008h, 008h, 06Bh, 06Bh, 008h, 008h
DB	036h, 012h, 036h, 024h, 036h, 000h
DB	006h, 00Fh, 009h, 00Fh, 006h, 000h
DB	000h, 000h, 018h, 018h, 000h, 000h
DB	000h, 000h, 010h, 010h, 000h, 000h
DB	030h, 040h, 0FFh, 001h, 001h, 000h
DB	000h, 01Fh, 001h, 001h, 01Eh, 000h
DB	000h, 019h, 01Dh, 017h, 012h, 000h
DB	000h, 03Ch, 03Ch, 03Ch, 03Ch, 000h
DB	000h, 000h, 000h, 000h, 000h, 000h