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Routines |
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Used by the routine at GameStart.
Start a new game: reset display buffers, tick counter, menu glyphs and room state for Learner or Super Berk.
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| Initialise_New_Game | 44860 | CALL Backup_Entity_And_Game_State | Call Backup_Entity_And_Game_State to backup Entity And Game State. | |
| 44863 | LD HL,25504 | Point HL at Primary Display Buffer (PrimaryDisplayBuffer). | ||
| 44866 | LD (29429),HL | Store HL in Pointer: Current Display Buffer (Pointer_CurrentDisplayBuffer). | ||
| 44869 | XOR A | Clear the display-buffer select flag. | ||
| 44870 | LD (29418),A | Set Display Buffer Select Flag (DisplayBufferSelectFlag). | ||
| 44873 | LD A,100 | Load A with 100 as the initial game tick counter. | ||
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This entry point is used by the routine at Initialise_Room_Display.
Set the game tick counter, clear both display buffers, and set the border/speaker state.
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| Initialise_New_Game_SetTickCounter | 44875 | LD (29426),A | Set the game tick counter (GameTickCounter). | |
| 44878 | CALL Clear_BothDisplayBuffers | Call Clear_BothDisplayBuffers to clear both display buffers. | ||
| 44881 | LD A,2 | Load A with 2. | ||
| 44883 | CALL Set_BorderSpeakerState | Call Set_BorderSpeakerState to set Border And Speaker State. | ||
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This entry point is used by the routine at Initialise_Room_Display.
Point the glyph printer at Data_MenuGlyphBitmaps and choose the Learner (122) vs Super Berk (104) room byte.
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| Initialise_New_Game_SetGlyphPointer | 44886 | LD HL,44311 | Point HL at the menu/glyph bitmap data (Data_MenuGlyphBitmaps). | |
| 44889 | LD (29433),HL | Write the pointer in HL to the temporary screen pointer (Pointer_CurrentCharacterSet). | ||
| 44892 | LD E,4 | Load E with 4 as a small loop/position count. | ||
| 44894 | LD A,(29353) | Load A with the Learner Berk mode flag (Flag_LearnerBerkMode). | ||
| 44897 | OR A | Is Learner Berk mode flag zero? If so, jump to Initialise_New_Game_SuperBerkRoomByte. | ||
| 44898 | JR Z,Initialise_New_Game_SuperBerkRoomByte | |||
| 44900 | LD A,122 | Load A with 122. | ||
| 44902 | JR Initialise_New_Game_WriteRoomByte | Jump to Initialise_New_Game_WriteRoomByte to set the temporary room/state byte. | ||
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This entry point is used by the routine at Initialise_Room_Display.
Super Berk path: use room/state byte 104.
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| Initialise_New_Game_SuperBerkRoomByte | 44904 | LD A,104 | Load A with 104. | |
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This entry point is used by the routine at Initialise_Room_Display.
Advance the small position count before writing the room/state byte.
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| Initialise_New_Game_Branch | 44906 | INC E | Advance the low byte of the pointer/offset in DE. | |
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Write the room/state byte and prepare to fill the attribute-file base row.
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| Initialise_New_Game_WriteRoomByte | 44907 | LD (29447),A | Set the temporary room/state byte (CurrentTextAttribute). | |
| 44910 | LD B,128 | Load B with 128 as a loop counter. | ||
| 44912 | LD D,0 | Clear D (high byte of a pointer/offset). | ||
| 44914 | LD HL,23168 | Point HL at the attribute-file base (23168 (attribute buffer)). | ||
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Print a full attribute-file row of glyphs, then initialise the room display.
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| Initialise_New_Game_PrintAttrRow | 44917 | CALL Print_Character | Call Print_Character to print Character. | |
| 44920 | INC HL | Advance 23168 (attribute buffer) by one byte. | ||
| 44921 | DJNZ Initialise_New_Game_PrintAttrRow | Decrease the loop counter in B and jump to Initialise_New_Game_PrintAttrRow if more iterations remain. | ||
| 44923 | CALL Initialise_Room_Display | Call Initialise_Room_Display to initialise the room display. | ||
| 44926 | RET | Return. | ||
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