Happy Computer 8bit Printer Mod

Description

8bit Printer Port mods from german magazine Happy Computer:

• Happy Computer - Schneider Sonderheft Nr.1 (1985) - 464
• Happy Computer - Schneider Sonderheft Nr.3 (1986) - 664/6128

Technical

Disconnect the Printer D7 pin from ground, and wire it to the PIOs Tape WR DATA pin instead (That is, Pin 12 of the 8255 chip).

Scanned Articles

• 8bit Printer Port for CPC 464
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• 
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• 8bit Printer Port for CPC 664 / 6128
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• 
• 

Listings

CPC 464

1 REM Happy Computer 1985 - CPC464 8Bit Druck
2 REM Bruno Kesel
3 REM Birkenweg 6
4 REM 6973 Boxberg
5 REM Tel.: #####/####
10 REM
15 MEMORY &9FFF
20 FOR z=&A000 TO &A036
30 READ byte:POKE z,byte
40 NEXT
45 REM Umlegen der Druckroutine auf Adresse &A000
50 POKE &BDF2,&0
60 POKE &BDF3,&A0
70 DATA &01,&32,&00,&cd,&1b,&08,&30,&07
90 DATA &10,&f9,&0d,&20,&f6,&b7,&c9,&c5
100 DATA &20,&ed,&79,&f1,&06,&ef,&e6,&7f
110 DATA &ed,&79,&f6,&80,&f3,&ed,&79,&e6
120 DATA &7f,&fb,&ed,&79,&f5,&06,&f6,&3e
130 DATA &00,&ed,&79,&f1,&c1,&37,&c9

CPC 664

1 REM Happy Computer 1986 - CPC664 8Bit Druck
10 MEMORY &9FFF
20 FOR z=&A000 TO &A036
30 READ b:POKE z,b
40 NEXT
50 POKE &BDF2,&0
60 POKE &BDF3,&A0
70 DATA &01,&32,&00,&cd,&49,&08,&30,&07
80 DATA &10,&f9,&0d,&20,&f6,&b7,&c9,&c5
90 DATA &06,&f6,&cd,&7f,&28,&06,&f5,&3e
100 DATA &20,&ed,&79,&f1,&06,&ef,&e6,&7f
110 DATA &ed,&79,&f6,&80,&f3,&ed,&79,&e6
120 DATA &7f,&fb,&ed,&79,&f5,&06,&f6,&3e
130 DATA &00,&ed,&79,&f1,&c1,&37,&c9

CPC 6128

1 REM Happy Computer 1986 - CPC6128 8Bit Druck
10 MEMORY &9FFF
20 FOR z=&A000 TO &A036
30 READ b:POKE z,b
40 NEXT
50 POKE &BDF2,&0
60 POKE &BDF3,&A0
70 DATA &01,&32,&00,&cd,&58,&08,&30,&07
80 DATA &10,&f9,&0d,&20,&f6,&b7,&c9,&c5
90 DATA &06,&f6,&cd,&7f,&28,&06,&f5,&3e
100 DATA &20,&ed,&79,&f1,&06,&ef,&e6,&7f
110 DATA &ed,&79,&f6,&80,&f3,&ed,&79,&e6
120 DATA &7f,&fb,&ed,&79,&f5,&06,&f6,&3e
130 DATA &00,&ed,&79,&f1,&c1,&37,&c9