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Monster Party/RAM map
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The following article is a RAM map for Monster Party.
The corresponding ROM Map.
| Zero Page | Function | Details |
| 0x0053 | # Bosses Remaining | When = #00, Mark gets Key. Programming error in original game makes completion of Level 7 impossible if all three bosses are killed. |
| 0x0054 | Bert Counter | Counts upward; audible warning begins at #19; #22 is final value before reverting back to Mark. |
| 0x0097 | Current Level, minus one | |
| 0x009E | Mark's health meter | |
| 0x00A9 | Start of Password Value Entry | |
| 0x00B1 | End of Password Value Entry | |
| 0x00FE | ||
| 0x00FF |
| RAM | Function | Details |
| 0x0100 | Stack | Also appears to be involved with Music Handling |
| 0x0200 | Sprites | Like most NES games, sprite data is written to $200-2ff before being sent to SPR-RAM. |
| 0x0346 | Frame Counter | Counts upward at a rate of 60 fps. |
| 0x03CB | Mark's Y-coordinates | |
| 0x03D6 | Mark's X-coordinates | |
| 0x0423 | Direction Faced by Mark/Bert | #00 = Rightward; #40 = Leftward |