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Routines |
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AEE8 | LD A,(DE) | A=ASCII code of a character in the message | ||||||||||
AEE9 | INC DE | Point DE at the next character in the message | ||||||||||
AEEA | AND A | Have we reached the end of the message? | ||||||||||
AEEB | RET Z | Return if so | ||||||||||
AEEC | LD L,A | B=width (in pixels) of the bitmap for this font character | ||||||||||
AEED | LD H,$D9 | |||||||||||
AEEF | LD B,(HL) | |||||||||||
AEF0 | INC H | Pick up a pixel column for the font character and slide it into the graphic buffer | ||||||||||
AEF1 | LD A,(HL) | |||||||||||
AEF2 | CALL $ADE8 | |||||||||||
AEF5 | DEC C | Decrease the pixel column count | ||||||||||
AEF6 | DJNZ $AEF0 | Jump back until the entire font character has been done | ||||||||||
AEF8 | XOR A | Insert a blank pixel column between characters | ||||||||||
AEF9 | DEC C | |||||||||||
AEFA | CALL $ADE8 | |||||||||||
AEFD | JR $AEE8 | Continue until the message is finished |
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