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Routines |
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Used by the routines at DisplayIntroductionScreen and SetKempstonJoystick.
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| TitleScreen | 52689 | LD A,0 | Write INK: BLACK, PAPER: BLACK (0) to *ATTR_P. | ||
| 52691 | LD (23693),A | ||||
| 52694 | CALL ClearScreen | Call ClearScreen. | |||
| 52697 | LD A,0 | Set the border to BLACK using BORDER. | |||
| 52699 | CALL 8859 | ||||
| 52702 | LD A,0 | Write INK: BLACK, PAPER: BLACK (0) to *Active_BorderColour. | |||
| 52704 | LD (23504),A | ||||
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This entry point is used by the routines at SetCursorJoystick, SetKempstonJoystick, SetInterface2Joystick, SetUserDefinedKeys and SetDefaultKeys.
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| Print_TitleScreen | 52707 | LD DE,55805 | DE=Messaging_TitleScreen. | ||
| 52710 | CALL PrintString | Call PrintString. | |||
| 52713 | LD A,(23530) | Call InverseOn if *ControlMethod is set to Keyboard Input (36). | |||
| 52716 | CP 36 | ||||
| 52718 | CALL Z,InverseOn | ||||
| 52721 | CALL PrintString | Call PrintString with Messaging_MenuKeyboard. | |||
| 52724 | LD A,(23530) | Call InverseOn if *ControlMethod is set to Interface 2 joystick (28). | |||
| 52727 | CP 28 | ||||
| 52729 | CALL Z,InverseOn | ||||
| 52732 | CALL PrintString | Call PrintString with Messaging_MenuInterface2Joystick. | |||
| 52735 | LD A,(23530) | Call InverseOn if *ControlMethod is set to Cursor joystick (20). | |||
| 52738 | CP 20 | ||||
| 52740 | CALL Z,InverseOn | ||||
| 52743 | CALL PrintString | Call PrintString with Messaging_MenuCursorJoystick. | |||
| 52746 | LD A,(23530) | Call InverseOn if *ControlMethod is set to Kempston joystick (12). | |||
| 52749 | CP 12 | ||||
| 52751 | CALL Z,InverseOn | ||||
| 52754 | CALL PrintString | Call PrintString with Messaging_MenuKempstonJoystick. | |||
| 52757 | LD A,(23530) | A=*ControlMethod (unused, A is overwritten immediately by PrintString on the next line). | |||
| 52760 | CALL PrintString | Call PrintString with Messaging_MenuDefineKeys. | |||
| 52763 | CALL PrintString | Call PrintString with Messaging_MenuStartGame. | |||
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Keep looping until we get user input.
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| TitleScreen_InputLoop | 52766 | CALL MenuKeypress | Call MenuKeypress. | ||
| 52769 | CP 36 | Jump to SetDefaultKeys if A is set to Keyboard input (36). | |||
| 52771 | JP Z,SetDefaultKeys | ||||
| 52774 | CP 28 | Jump to SetInterface2Joystick if A is set to Interface 2 joystick (28). | |||
| 52776 | JP Z,SetInterface2Joystick | ||||
| 52779 | CP 20 | Jump to SetCursorJoystick if A is set to Cursor joystick (20). | |||
| 52781 | JP Z,SetCursorJoystick | ||||
| 52784 | CP 12 | Jump to SetKempstonJoystick if A is set to Kempston joystick (12). | |||
| 52786 | JP Z,SetKempstonJoystick | ||||
| 52789 | CP 4 | Jump to SetUserDefinedKeys if A is set to User-Defined key input (4). | |||
| 52791 | JP Z,SetUserDefinedKeys | ||||
| 52794 | CP 35 | Jump to TitleScreen_InputLoop if A is NOT set to start the game (35). | |||
| 52796 | JR NZ,TitleScreen_InputLoop | ||||
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Else, the player has selected "0" to start the game.
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| 52798 | JP StartGame | Jump to StartGame. | |||
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