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Routines |
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Draw player ship and scroll it into position. Called with _PLAYER_XPOS and _PLAYER_YPOS holding screen location of new ship.
Used by the routine which draws lives remaining at the top, and when the a new life appears at the bottom after dying
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| new_player_ship | 26965 | PUSH IX | ||
| 26967 | PUSH HL | |||
| 26968 | LD A,255 | Set up adjustment of -1, which means 1 pixel left | ||
| 26970 | LD (_YPOS_ADJUST),A | |||
| 26973 | LD A,(_PLAYER_XPOS) | Player ship pos, X | ||
| 26976 | LD (_NEW_SHIP_TARGET_XPOS),A | Store the final xpos (where the scroll finishes) | ||
| 26979 | ADD A,40 | Start 40 pixels right of final position | ||
| 26981 | LD (_PLAYER_XPOS),A | Set player ship xpos and draw the ship there. Returns with xpos pointed to by IX. | ||
| new_player_ship_0 | 26984 | CALL redraw_player_ship | ||
| 26987 | CALL sound_burbler | Sound burbler with move player ship sound | ||
| 26990 | DEFB 1,15,0 | |||
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Sound burbler return point
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| 26993 | LD A,(_NEW_SHIP_TARGET_XPOS) | Pick up xpos where we're moving the ship to | ||
| 26996 | CP (IX+0) | Are we there? Adjustment is still -1 so we keep going round until the ship is in place | ||
| 26999 | JR NZ,new_player_ship_0 | |||
| 27001 | POP HL | |||
| 27002 | POP IX | |||
| 27004 | RET | |||
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