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Routines |
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Used by the routine at 5B9B.
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| Print_TwoToneText_SpaceCheck | CBFC | CP $20 | If the character isnot a space then jump forward to Print_TwoToneText_SpaceCheck_0. | |||||||
| CBFE | JR NZ,Print_TwoToneText_SpaceCheck_0 | |||||||||
| CC00 | LD HL,$5B00 | Point to empty space | ||||||||
| CC03 | LD BC,$1001 | 10 rows, 01 characters | ||||||||
| CC06 | EX DE,HL | Print a blank space on screen. | ||||||||
| CC07 | PUSH HL | |||||||||
| CC08 | CALL Copy_Routine | |||||||||
| CC0B | POP HL | |||||||||
| CC0C | JR Print_TwoToneText_SpaceCheck_2 | Move forward. | ||||||||
| Print_TwoToneText_SpaceCheck_0 | CC0E | CP $41 | Is this a letter? | |||||||
| CC10 | JR NC,Print_TwoToneText_SpaceCheck_1 | Jump forward if so. | ||||||||
| CC12 | ADD A,$2A | Adjust numbers to be in the right place in the character set. | ||||||||
| Print_TwoToneText_SpaceCheck_1 | CC14 | SUB $41 | Convert from ASCII to index in the character set. | |||||||
| CC16 | ADD A,$0A | |||||||||
| CC18 | PUSH DE | Remember the screen address. | ||||||||
| CC19 | CALL Draw_Number | Copy the character to screen. | ||||||||
| CC1C | POP HL | Restore screen address in HL. | ||||||||
| Print_TwoToneText_SpaceCheck_2 | CC1D | CALL $CC2B | Get the attribute address from the screen address. | |||||||
| CC20 | LD BC,($CBD0) | Load the stored top/ bottom attribute bytes back into BC and write them to the screen. | ||||||||
| CC24 | LD (HL),B | |||||||||
| CC25 | LD DE,$0020 | |||||||||
| CC28 | ADD HL,DE | |||||||||
| CC29 | LD (HL),C | |||||||||
| CC2A | RET | Return. | ||||||||
| Prev: CBD2 | Up: Map | Next: CC2B |