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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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