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 | | IN A,(&F8) CP 84 JP NZ,line.int1 PUSH BC LD BC,&00F8 ;set background to white (line across screen) LD A,&7F OUT (C),A LD A,&2D ;page MODE 2 screen text area to display. |
 | | OUT (&FC),A LD A,85 ;set up line interrupt for line 85 OUT (&F9),A PUSH HL LD HL,line.int2 ;vector to line.int2 on line 85 LD (line.addr+1),HL POP HL POP BC POP AF EI RET ;return from line interrupt. |
 | | POP HL POP AF OUT (&FB),A POP DE POP BC POP AF EI ;finally exit this mammoth interrupt RET ;routine... |
| home.earthlink.net /~simoncooke/samcoupe/infobase/source/scpdu6.txt (1570 words) |
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