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Routines |
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Used by the routine at 28357. Returns with the interval in A, which indicates the minimum number of subintervals of 0.64s that the current message should be displayed for.
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| 30160 | LD A,(30153) | Collect the urgent message number from 30153 | ||
| 30163 | AND A | Is it 0 (no message)? | ||
| 30164 | JR Z,30194 | Jump if so | ||
| 30166 | LD HL,32695 | Collect the index of the current message in the queue from 32695 | ||
| 30169 | LD A,(HL) | |||
| 30170 | INC A | A=index of the next message in the queue | ||
| 30171 | AND 7 | |||
| 30173 | ADD A,184 | Point HL at the slot for the next message in the queue | ||
| 30175 | LD L,A | |||
| 30176 | LD B,7 | There are up to 7 messages ahead in the queue | ||
| 30178 | LD A,(30153) | A=urgent message number | ||
| 30181 | CP (HL) | Set the zero flag if the urgent message is in this slot in the queue | ||
| 30182 | INC HL | Move HL along to the next slot in the message queue (or past the end of the queue and into the bullet buffers at 32704 and 32708, which is a bug) | ||
| 30183 | JR NZ,30188 | Jump unless the urgent message is at this position in the queue | ||
| 30185 | LD A,1 | Set A=1 so that the next message is displayed as soon as possible | ||
| 30187 | RET | |||
| 30188 | DJNZ 30181 | Jump back until all messages in the queue have been checked | ||
| 30190 | XOR A | Clear the urgent message number at 30153: it was not in the queue | ||
| 30191 | LD (30153),A | |||
| 30194 | LD A,(28612) | Collect the normal message display interval from 28612 | ||
| 30197 | RET | |||
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