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Routines |
| Prev: 865F | Up: Map | Next: 86C3 |
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Used by the routine at 8400.
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| 869F | LD HL,$4000 | Clear the display file and attribute file | ||
| 86A2 | LD DE,$4001 | |||
| 86A5 | LD BC,$1AFF | |||
| 86A8 | LD (HL),$00 | |||
| 86AA | LDIR | |||
| 86AC | LD IX,$858B | Point IX at the message at 858B ("Enter Code at grid location ") | ||
| 86B0 | CALL $86C3 | Display the code entry screen and collect a four-digit code from the user | ||
| 86B3 | JP Z,$87CA | Start the game if the code is correct | ||
| 86B6 | LD IX,$85AB | Point IX at the message at 85AB ("Sorry, try code at location ") | ||
| 86BA | CALL $86C3 | Display the code entry screen and collect another four-digit code from the user | ||
| 86BD | JP Z,$87CA | Start the game if the code is correct | ||
| 86C0 | JP $0000 | Otherwise reset the machine | ||
| Prev: 865F | Up: Map | Next: 86C3 |