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Routines |
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Used by the routine at 63909. Prints the lesson (or DINNER or PLAYTIME) in the lesson box.
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| 31040 | LD A,(32756) | Pick up the lesson descriptor from 32756 | ||
| 31043 | AND 7 | Keep only the 'room' bits (bits 0-2) | ||
| 31045 | CP 5 | Set the zero flag if this period is REVISION LIBRARY, and set the carry flag if this is a classroom period | ||
| 31047 | LD DE,60720 | Point DE at the appropriate spot in the lesson box graphic buffer (at 60672) for the first line of text | ||
| 31050 | LD HL,55945 | 55945=' ' (single space) | ||
| 31053 | JR NZ,31057 | Jump if this period is not REVISION LIBRARY | ||
| 31055 | LD L,128 | HL=55936: 'REVISION' | ||
| 31057 | JR NC,31076 | Jump if this is REVISION LIBRARY, DINNER or PLAYTIME | ||
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This period takes place in a classroom. With which teacher?
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| 31059 | LD A,(32756) | Pick up the lesson descriptor from 32756 | ||
| 31062 | AND 240 | Keep only the 'teacher' bits (bits 4-7) | ||
| 31064 | LD L,A | Point HL at the appropriate teacher's name: 55736 (MR WACKER), 55750 (MR ROCKITT), 55764 (MR WITHIT), or 55778 (MR CREAK) | ||
| 31065 | RRCA | |||
| 31066 | RRCA | |||
| 31067 | RRCA | |||
| 31068 | LD H,A | |||
| 31069 | LD A,L | |||
| 31070 | SUB H | |||
| 31071 | ADD A,184 | |||
| 31073 | LD L,A | |||
| 31074 | LD H,217 | |||
| 31076 | CALL 30042 | Write the first line of text (' ', 'REVISION' or the teacher's name) into the lesson box graphic buffer | ||
| 31079 | LD A,(32756) | Pick up the lesson descriptor from 32756 | ||
| 31082 | AND 7 | Keep only the 'room' bits (bits 0-2) | ||
| 31084 | ADD A,A | Point HL at the appropriate room name: 55952 (READING ROOM), 55968 (MAP ROOM), 55984 (WHITE ROOM), 56000 (EXAM ROOM), 56032 (DINNER), or 56048 (PLAYTIME) | ||
| 31085 | ADD A,A | |||
| 31086 | ADD A,A | |||
| 31087 | ADD A,A | |||
| 31088 | ADD A,128 | |||
| 31090 | LD L,A | |||
| 31091 | LD H,218 | |||
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This entry point is also used by the routine at 63909.
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| 31093 | LD DE,60800 | Point DE at the appropriate spot in the lesson box graphic buffer (at 60672) for the second line of text | ||
| 31096 | CALL 30042 | Write the second line of text into the buffer | ||
| 31099 | LD HL,60672 | Point HL at the start of the lesson box graphic buffer | ||
| 31102 | LD DE,23212 | Set DE to the attribute file address for the lesson box | ||
| 31105 | JP 29977 | Copy the lesson box graphic buffer to the screen | ||
| Prev: 31034 | Up: Map | Next: 31108 |