|
Routines |
| Prev: 6D79 | Up: Map | Next: 6F02 |
|
Used by the routines at GameEntryPoint, DisplayWinnersListPage, WinnersTableNameEntry and DisplayInformationPages.
|
||||
| TitleScreen | 6E9D | LD HL,$6E9D | Write TitleScreen to *ERR_SP. | |
| 6EA0 | LD ($5C3D),HL | |||
| 6EA3 | DEC HL | Set the stack pointer to 6E9C. | ||
| 6EA4 | LD SP,HL | |||
| 6EA5 | CALL DisplayTitleScreen | Call DisplayTitleScreen. | ||
| 6EA8 | LD A,($6F02) | Highlight the currently selected menu item in ControlMethod. | ||
| 6EAB | CALL HighlightMenuLine | |||
| 6EAE | CALL ResetThemeTune | Call ResetThemeTune. | ||
| TitleScreen_Loop | 6EB1 | CALL $028E | Call KEY_SCAN. | |
| 6EB4 | LD A,%00001111 | Mask off bits 4-7. | ||
| 6EB6 | AND E | |||
| 6EB7 | CP $04 | Jump to TitleScreenRouting if there is any input. | ||
| 6EB9 | JR Z,TitleScreenRouting | |||
| 6EBB | CP $0C | |||
| 6EBD | JR Z,TitleScreenRouting | |||
| 6EBF | CP $03 | |||
| 6EC1 | JR Z,TitleScreenRouting | |||
| 6EC3 | CP $0B | |||
| 6EC5 | JR Z,TitleScreenRouting | |||
|
This entry point is used by the routines at TitleScreen_KempstonSelected, TitleScreen_CursorSelected, TitleScreen_SinclairIF2Selected and TitleScreen_KeyboardSelected.
|
||||
| TitleScreenNoInput | 6EC7 | CALL HandlerThemeTune | Call HandlerThemeTune. | |
| 6ECA | JR TitleScreen_Loop | Loop back around to TitleScreen_Loop. | ||
|
Handler directing the keypress to the appropriate routines.
|
||||
| TitleScreenRouting | 6ECC | LD A,E | Fetch the user input. | |
| 6ECD | CP $23 | Jump to TitleScreenNoInput if E is 23. | ||
| 6ECF | JR Z,TitleScreenNoInput | |||
| 6ED1 | CP $24 | Jump to TitleScreen_DefineKeysSelected if "DEFINE KEYBOARD" was selected. | ||
| 6ED3 | JR Z,TitleScreen_DefineKeysSelected | |||
| 6ED5 | CP $1C | Jump to TitleScreen_KempstonSelected if "KEMPSTON" was selected. | ||
| 6ED7 | JR Z,TitleScreen_KempstonSelected | |||
| 6ED9 | CP $14 | Jump to TitleScreen_CursorSelected if "CURSOR" was selected. | ||
| 6EDB | JR Z,TitleScreen_CursorSelected | |||
| 6EDD | CP $0C | Jump to TitleScreen_SinclairIF2Selected if "SINCLAIR IF2" was selected. | ||
| 6EDF | JR Z,TitleScreen_SinclairIF2Selected | |||
| 6EE1 | CP $04 | Jump to TitleScreen_KeyboardSelected if "KEYBOARD" was selected. | ||
| 6EE3 | JR Z,TitleScreen_KeyboardSelected | |||
| 6EE5 | CP $03 | Jump to StartGame if "START GAME" was selected. | ||
| 6EE7 | JP Z,StartGame | |||
| 6EEA | CP $0B | Jump to DisplayInformationPages if "INFORMATION" was selected. | ||
| 6EEC | JP Z,DisplayInformationPages | |||
| 6EEF | CP $13 | Jump to DisplayWinnersListPage if "WINNERS LIST" was selected. | ||
| 6EF1 | JP Z,DisplayWinnersListPage | |||
|
Else "9" was pressed which is "RETURN TO BASIC".
|
||||
| 6EF4 | LD HL,$6F03 | Delete the game code and jump to RESET. | ||
| 6EF7 | LD DE,$6F04 | |||
| 6EFA | LD BC,$90FC | |||
| 6EFD | LDIR | |||
| 6EFF | JP $0064 | |||
| Prev: 6D79 | Up: Map | Next: 6F02 |