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Routines |
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Used by the routine at RunGame.
Sets up everything for a new game: the lives, the scores, the gauges, the bottles and the details of the second player if there is one. The entry point at StartGame_Life is also used to start each life, and resets the player state.
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Colour the area at the bottom of the screen.
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| StartGame | 57119 | LD HL,48896 | Colour the area that is described by the rectangle at PanelFillRectangle, starting at the position 48896. | |
| 57122 | LD DE,57116 | |||
| 57125 | CALL FillRectangle | |||
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Give the first player five lives.
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| 57128 | LD A,5 | Set the number of lives to 5. | ||
| 57130 | LD (57054),A | |||
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Clear the score of the first player and the digits of the scores of both players.
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| 57133 | LD HL,57081 | Clear the three bytes of the score of the first player. | ||
| 57136 | LD B,3 | |||
| 57138 | CALL ClearBytes | |||
| 57141 | LD HL,57650 | Clear the five digits of the score of the first player in the panel text. | ||
| 57144 | LD B,5 | |||
| 57146 | CALL ClearBytes | |||
| 57149 | LD HL,57668 | Clear the five digits of the score of the second player in the panel text. | ||
| 57152 | LD B,5 | |||
| 57154 | CALL ClearBytes | |||
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Set up the two gauges.
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| 57157 | LD DE,42397 | Copy the starting values of the gauges, which empty the bars and set the targets to full. | ||
| 57160 | LD HL,57251 | |||
| 57163 | LD BC,8 | |||
| 57166 | LDIR | |||
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Mark all of the bottles of the level as not yet collected.
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| 57168 | LD HL,57057 | Point HL at BottleStates. | ||
| 57171 | LD A,129 | Set the state of an uncollected bottle. | ||
| 57173 | LD B,20 | Set the number of bottles to 20. | ||
| StartGame_Loop | 57175 | LD (HL),A | Set the state of a bottle. | |
| 57176 | INC HL | Move on to the next bottle. | ||
| 57177 | DJNZ StartGame_Loop | Loop back to StartGame_Loop until all of the bottles have been done. | ||
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Clear the restart position, the current player and the bottle flag, and go to the first level.
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| 57179 | XOR A | Clear the restart position. | ||
| 57180 | LD (57079),A | |||
| 57183 | LD (57053),A | Make the first player the current player. | ||
| 57186 | LD (57084),A | Clear the bottle flag of the player. | ||
| 57189 | LD A,0 | Set the number of the level to zero. | ||
| 57191 | LD (57055),A | |||
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Copy the details of the first player to the second player.
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| 57194 | LD HL,57054 | Copy the details of the first player, which are 31 bytes, to those of the second player. | ||
| 57197 | LD DE,57085 | |||
| 57200 | LD BC,31 | |||
| 57203 | LDIR | |||
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Take the lives and the bottles away from the second player if there is only one player.
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| 57205 | LD A,(24829) | Fetch the number of players. | ||
| 57208 | AND A | Test it. | ||
| 57209 | JR NZ,StartGame_Life | Jump to StartGame_Life if there are two players. | ||
| 57211 | LD (57085),A | Clear the lives of the second player. | ||
| 57214 | LD (57087),A | Clear the bottles of the second player. | ||
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This entry point is used by the routine at RunGame.
Start a life. Reset the heading of the player, the message, the counter of the player and the countdown timer.
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| StartGame_Life | 57217 | XOR A | Clear the heading of the player. | |
| 57218 | LD (46417),A | |||
| 57221 | LD (52825),A | Clear the state of the message. | ||
| 57224 | LD (23808),A | Clear the counter of the player. | ||
| 57227 | LD A,40 | Start the countdown timer at 40. | ||
| 57229 | LD (41695),A | |||
| 57232 | LD A,4 | Set the byte that is patched into the controls at 43901 to 4. | ||
| 57234 | LD (43901),A | |||
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Fill the first gauge, and draw the direction gauge with the needle at its start.
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| 57237 | LD HL,24576 | Set the first gauge to full. | ||
| 57240 | LD (42399),HL | |||
| 57243 | LD A,8 | Set the heading of the needle to 8. | ||
| 57245 | LD (23768),A | |||
| 57248 | JP DrawDirectionGauge | Draw the direction gauge. | ||
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