| Chase H.Q. | Routines |
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Used by the routines at stt_wait_for_keypress_loop and redefine_keys_48k.
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| clear_screen | ECDA | LD HL,$5900 | Wipe bottom 2/3rds of attributes | |
| ECDD | LD DE,$5901 | |||
| ECE0 | LD BC,$01FF | |||
| ECE3 | LD (HL),L | |||
| ECE4 | LDIR | |||
| ECE6 | LD HL,$4800 | Wipe bottom 2/3rds of pixels | ||
| ECE9 | LD DE,$4801 | |||
| ECEC | LD (HL),L | |||
| ECED | LD BC,$0FFF | |||
| ECF0 | LDIR | |||
| ECF2 | RET | Return | ||
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