|
Routines |
| Prev: E800 | Up: Map | Next: E84D |
|
Used by the routine at Alias_InitialiseGame.
|
||||
| InitialiseGame | E80E | LD HL,$FFFF | SP=FFFF. | |
| E811 | LD SP,HL | |||
| E812 | CALL SetRandomNumberSeed | Call SetRandomNumberSeed. | ||
| E815 | LD HL,$6828 | Write KeyboardInput to ControlMethod. | ||
| E818 | LD ($7850),HL | |||
|
This entry point is used by the routines at DemoModeInput and GameOver.
|
||||
| StartScreen | E81B | LD HL,($7850) | Write *ControlMethod to *ControlMethod_Pointer. | |
| E81E | LD ($782C),HL | |||
| E821 | CALL ClearScreen | Call ClearScreen. | ||
| E824 | CALL DisplayPinkFooter | Call DisplayPinkFooter. | ||
| E827 | XOR A | A=00. | ||
| E828 | DEC A | Decrease A by one. | ||
| E829 | LD ($7820),A | Write A to *CurrentLevel. | ||
| E82C | CALL DisplayStartScreen | Call DisplayStartScreen. | ||
|
Wait for keyboard input.
|
||||
| StartScreen_Input | E82F | CALL KeyboardInput | Call KeyboardInput. | |
| E832 | AND A | Jump to StartScreen_Input until any key is pressed. | ||
| E833 | JR Z,StartScreen_Input | |||
|
Should we start the demo mode?
|
||||
| E835 | BIT 4,A | Call InitialiseDemoMode if a key from the top row has been pressed. | ||
| E837 | CALL NZ,InitialiseDemoMode | |||
|
Should we display the instructions?
|
||||
| E83A | BIT 3,A | Jump to TestStartGame if a key from the second row has not been pressed. | ||
| E83C | JR Z,TestStartGame | |||
| E83E | CALL DisplayInstructions | Call DisplayInstructions. | ||
| E841 | JR StartScreen | Jump to StartScreen. | ||
|
Should we start a new game?
|
||||
| TestStartGame | E843 | BIT 2,A | Jump to CheckPassword if a key from the third row has not been pressed. | |
| E845 | JP Z,CheckPassword | |||
|
Else a key from the third row was pressed so handle changing the controls.
|
||||
| E848 | CALL DisplayChangeControls | Call DisplayChangeControls. | ||
| E84B | JR StartScreen | Jump to StartScreen. | ||
| Prev: E800 | Up: Map | Next: E84D |