; 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