Castlevania:RAM map
From Data Crystal
| RAM | Function | Details | |
| 0x0042 | 1's and 10's place of Time in BCD | ||
| 0x0043 | 100's and 1000's place of Time in BCD | ||
| 0x0070 | Whip length | Set to $00, $01, or $02. | |
| 0x0071 | Number of Hearts | $00 to $63(99). | |
| 0x002A | Number of Lives | ||
| 0x0044 | Life Meter (Graphic) | 2 bars = +$08, Max = $40(64) | |
| 0x0045 | Life Meter (Actual) | 2 bars = +$08, Max = $40(64) |

