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Routines |
| Prev: 25012 | Up: Map | Next: 25080 |
| 25026 | LD B,8 | 8 columns will be scrolled on | ||
| 25028 | PUSH BC | Save the column counter | ||
| 25029 | LD HL,22529 | First shift the attributes one place to the left | ||
| 25032 | LD DE,22528 | |||
| 25035 | LD BC,671 | |||
| 25038 | LDIR | |||
| 25040 | CALL 63553 | Scroll the display file one character square to the left | ||
| 25043 | INC A | Adjust the leftmost column of the play area now on screen (held at 32767) | ||
| 25044 | LD (32767),A | |||
| 25047 | LD HL,5151 | H=20 (bottom row of the screen), L=31 (column at the far right) | ||
| 25050 | PUSH HL | |||
| 25051 | CALL 24684 | Print the play area character square at row H, column L=31 | ||
| 25054 | POP HL | |||
| 25055 | DEC H | Next row up | ||
| 25056 | JP P,25050 | Jump back until all 21 squares in the column have been printed | ||
| 25059 | POP BC | Restore the column counter to B | ||
| 25060 | DJNZ 25028 | Jump back until 8 columns have been scrolled on | ||
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The screen has been scrolled left 8 columns. Check whether any of the minor characters may be teleported without us noticing.
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| 25062 | LD A,(32767) | A=leftmost column of the play area on screen | ||
| 25065 | LD B,5 | 5 little boys, starting with 193=little boy no. 4 | ||
| 25067 | LD H,193 | |||
| 25069 | CP 120 | Is the skool gate in the middle of the screen? | ||
| 25071 | JR Z,25134 | Jump if so (to consider teleporting little boys 4-8) | ||
| 25073 | CP 80 | Is the boys' skool door in the middle of the screen? | ||
| 25075 | RET NZ | Return if not | ||
| 25076 | LD H,190 | 190=little boy no. 1 | ||
| 25078 | JR 25132 | Consider teleporting little boys 1-3 | ||
| Prev: 25012 | Up: Map | Next: 25080 |