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Routines |
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6E00 | LD A,(HL) | Pick up the ASCII code of the next character to print | ||||||||||
6E01 | ADD A,A | Have we reached the end of the message? | ||||||||||
6E02 | RET Z | Return if so | ||||||||||
6E03 | NOP | |||||||||||
6E04 | NOP | |||||||||||
6E05 | INC HL | Point HL at the next character in the message | ||||||||||
6E06 | PUSH HL | Save this pointer for now | ||||||||||
6E07 | PUSH DE | Save the display file address | ||||||||||
6E08 | LD H,$0F | Point HL at the base address of the graphic data for the font character (in the ROM) | ||||||||||
6E0A | LD L,A | |||||||||||
6E0B | ADD HL,HL | |||||||||||
6E0C | ADD HL,HL | |||||||||||
6E0D | LD B,$08 | Print the character on the screen | ||||||||||
6E0F | LD A,(HL) | |||||||||||
6E10 | LD (DE),A | |||||||||||
6E11 | INC L | |||||||||||
6E12 | INC D | |||||||||||
6E13 | DJNZ $6E0F | |||||||||||
6E15 | POP DE | Restore the display file address to DE | ||||||||||
6E16 | POP HL | Restore the pointer to the next character in the message | ||||||||||
6E17 | INC E | Point DE at the next display file location | ||||||||||
6E18 | JR $6E00 | Jump back to print the next character |
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