|
Routines |
| Prev: 42851 | Up: Map | Next: 42964 |
|
Used by the routine at DrawRoomContents.
Stores the state of the orchid in OrchidData back into the table in TableOrchidTypes, for the room which it was in (held in Moved_Actor_Room), so that it is as it was left when the player returns to the room. This is the opposite of LoadOrchid.
|
||||
| SaveOrchid | 42911 | LD A,(38571) | Fetch the room of the orchid from Moved_Actor_Room. | |
| 42914 | CALL HandlerOrchidType | Find the state of the orchid for the room. | ||
| 42917 | PUSH IX | Stash the actor pointer on the stack. | ||
| 42919 | LD IX,38874 | Point IX at the orchid's actor record at OrchidData. | ||
| 42923 | LD A,(IX+0) | Fetch the sprite ID of the orchid. | ||
| 42926 | AND %00000111 | Keep only the stage of growth (bits 0-2). | ||
| 42928 | LD C,A | Stash the stage of growth in C. | ||
| 42929 | LD A,(IX+2) | Fetch the direction of growth of the orchid. | ||
| 42932 | AND %00001000 | Keep only the direction of growth (bit 3). | ||
| 42934 | OR C | Merge in the stage of growth. | ||
| 42935 | LD C,A | Stash the stage and direction of growth in C. | ||
| 42936 | LD A,(IX+7) | Fetch the high byte of the timer of the orchid. | ||
| 42939 | RLCA | Rotate the high byte of the timer left four times. | ||
| 42940 | RLCA | |||
| 42941 | RLCA | |||
| 42942 | RLCA | |||
| 42943 | AND %11110000 | Keep only bits 4-7. | ||
| 42945 | OR C | Merge in the stage and direction of growth. | ||
| 42946 | LD (HL),A | Store the first byte of the state in the table. | ||
| 42947 | INC HL | Move onto the second byte of the state. | ||
| 42948 | LD A,(IX+5) | Fetch the colour of the orchid. | ||
| 42951 | AND %00000111 | Keep only the colour (bits 0-2). | ||
| 42953 | LD B,A | Stash the colour in B. | ||
| 42954 | LD A,(IX+6) | Fetch the low byte of the timer of the orchid. | ||
| 42957 | AND %11111000 | Keep only the low bits of the timer (bits 3-7). | ||
| 42959 | OR B | Merge in the colour. | ||
| 42960 | LD (HL),A | Store the second byte of the state in the table. | ||
| 42961 | POP IX | Restore the actor pointer from the stack. | ||
| 42963 | RET | Return. | ||
| Prev: 42851 | Up: Map | Next: 42964 |