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Routines |
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28160 | LD A,(HL) | Pick up the ASCII code of the next character to print | |||||||||
28161 | ADD A,A | Have we reached the end of the message? | |||||||||
28162 | RET Z | Return if so | |||||||||
28163 | NOP | ||||||||||
28164 | NOP | ||||||||||
28165 | INC HL | Point HL at the next character in the message | |||||||||
28166 | PUSH HL | Save this pointer for now | |||||||||
28167 | PUSH DE | Save the display file address | |||||||||
28168 | LD H,15 | Point HL at the base address of the graphic data for the font character (in the ROM) | |||||||||
28170 | LD L,A | ||||||||||
28171 | ADD HL,HL | ||||||||||
28172 | ADD HL,HL | ||||||||||
28173 | LD B,8 | Print the character on the screen | |||||||||
28175 | LD A,(HL) | ||||||||||
28176 | LD (DE),A | ||||||||||
28177 | INC L | ||||||||||
28178 | INC D | ||||||||||
28179 | DJNZ 28175 | ||||||||||
28181 | POP DE | Restore the display file address to DE | |||||||||
28182 | POP HL | Restore the pointer to the next character in the message | |||||||||
28183 | INC E | Point DE at the next display file location | |||||||||
28184 | JR 28160 | Jump back to print the next character |
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