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Routines |
| Prev: 24132 | Up: Map | Next: 24175 |
| 24133 | LD H,210 | 210=ERIC | ||
| 24135 | CALL 26453 | Collect info about the board ERIC's standing at (if any) | ||
| 24138 | RET C | Return if ERIC's not standing at a blackboard | ||
| 24139 | LD HL,32728 | Copy the blackboard identifier (84, 90, 96, 102 or 108) from B to 32728 | ||
| 24142 | LD (HL),B | |||
| 24143 | DEC L | While ERIC is writing on the board, 32727 will be used to store the ASCII code of the last character written; initialise this with something other than 13 (ENTER) | ||
| 24144 | LD (HL),L | |||
| 24145 | LD L,B | Point HL at the first byte of the blackboard's buffer, which usually holds the number of the next clean pixel column | ||
| 24146 | LD (HL),1 | ERIC will start writing at pixel column 1 (regardless of what's already been written on the board) | ||
| 24148 | INC L | A=number of the character who last wrote on this board, or 0 if it's clean | ||
| 24149 | LD A,(HL) | |||
| 24150 | LD (HL),210 | Signal: ERIC wrote on this board | ||
| 24152 | LD B,4 | There are 4 digits or letters in the bike and storeroom combinations | ||
| 24154 | CPL | A=128 if the board is clean, 0 otherwise | ||
| 24155 | AND 128 | |||
| 24157 | INC L | Prepare 4 spaces in bytes 2-5 of the blackboard buffer for combination letters/numbers, with bit 7 set if the board is clean | ||
| 24158 | LD (HL),A | |||
| 24159 | DJNZ 24157 | |||
| 24161 | LD L,251 | HL=32763 (ERIC's status flags) | ||
| 24163 | LD (HL),16 | Set bit 4: ERIC is writing on a blackboard | ||
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This entry point is used by the routine at 24175.
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| 24165 | LD H,210 | 210=ERIC | ||
| 24167 | CALL 25012 | Update the SRB for ERIC's current animatory state | ||
| 24170 | OR 7 | A=7/135: ERIC with his arm up (as if writing on a board) | ||
| 24172 | JP 62231 | Update ERIC's animatory state and location and update the SRB | ||
| Prev: 24132 | Up: Map | Next: 24175 |