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@nataliapc/mcp-openmsx

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Model context protocol server for openMSX automation and control

github.com/nataliapc/mcp-openmsx

nataliapc/mcp-openmsx

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# APPENDIX 5 - VRAM MAP <p>&nbsp;</p> ## Index - [SCREEN 0 (WIDTH 40) / TEXT 1](#screen-0-width-40--text-1) - [SCREEN 0 (WIDTH 80) / TEXT 2](#screen-0-width-80--text-2) - [SCREEN 1 / GRAPHIC 1](#screen-1--graphic-1) - [SCREEN 2 / GRAPHIC 2](#screen-2--graphic-2) - [SCREEN 3 / MULTI COLOUR](#screen-3--multi-colour) - [SCREEN 4 / GRAPHIC 3](#screen-4--graphic-3) - [SCREEN 5, 6 / GRAPHIC 4, 5](#screen-5-6--graphic-4-5) - [SCREEN 7, 8 / GRAPHIC 6, 7](#screen-7-8--graphic-6-7) - [Changes from the original](#changes-from-the-original) <p>&nbsp;</p> ## SCREEN 0 (WIDTH 40) / TEXT 1 | Address range | Usage | | --- | --- | | 0000H - 03BFH | Pattern name table | | 0400H - 042FH | Palette table | | 0800H - 0FFFH | Pattern generator table | <p>&nbsp;</p> ## SCREEN 0 (WIDTH 80) / TEXT 2 | Address range | Usage | | --- | --- | | 0000H - 077FH | Pattern name table | | 0800H - 08EFH | Blink table (24 lines mode) | | 0800H - 090DH | Blink table (26.5 lines mode) | | 0F00H - 0F2FH | Palette table | | 1000H - 17FFH | Pattern generator table | <p>&nbsp;</p> ## SCREEN 1 / GRAPHIC 1 | Address range | Usage | | --- | --- | | 0000H - 07FFH | Pattern generator table | | 1800H - 1AFFH | Pattern name table | | 1B00H - 1B7FH | Sprite attribute table | | 2000H - 201FH | Colour table | | 2020H - 204FH | Palette table | | 3800H - 3FFFH | Sprite generator table | <p>&nbsp;</p> ## SCREEN 2 / GRAPHIC 2 | Address range | Usage | | --- | --- | | 0000H - 07FFH | Pattern generator table 1 | | 0800H - 0FFFH | Pattern generator table 2 | | 1000H - 17FFH | Pattern generator table 3 | | 1800H - 18FFH | Pattern name table 1 | | 1900H - 19FFH | Pattern name table 2 | | 1A00H - 1AFFH | Pattern name table 3 | | 1B00H - 1B7FH | Sprite attribute table | | 1B80H - 1BAFH | Palette table | | 2000H - 27FFH | Colour table 1 | | 2800H - 2FFFH | Colour table 2 | | 3000H - 37FFH | Colour table 3 | | 3800H - 3FFFH | Sprite generator table | <p>&nbsp;</p> ## SCREEN 3 / MULTI COLOUR | Address range | Usage | | --- | --- | | 0000H - 07FFH | Pattern generator table | | 0800H - 0AFFH | Pattern name table | | 1B00H - 1B7FH | Sprite attribute table | | 2020H - 204FH | Palette table | | 3800H - 3FFFH | Sprite generator table | <p>&nbsp;</p> ## SCREEN 4 / GRAPHIC 3 | Address range | Usage | | --- | --- | | 0000H - 07FFH | Pattern generator table 1 | | 0800H - 0FFFH | Pattern generator table 2 | | 1000H - 17FFH | Pattern generator table 3 | | 1800H - 18FFH | Pattern name table 1 | | 1900H - 19FFH | Pattern name table 2 | | 1A00H - 1AFFH | Pattern name table 3 | | 1B80H - 1BAFH | Palette table | | 1C00H - 1DFFH | Sprite colour table | | 1E00H - 1E7FH | Sprite attribute table | | 2000H - 27FFH | Colour table 1 | | 2800H - 2FFFH | Colour table 2 | | 3000H - 37FFH | Colour table 3 | | 3800H - 3FFFH | Sprite generator table | <p>&nbsp;</p> ## SCREEN 5, 6 / GRAPHIC 4, 5 | Address range | Usage | | --- | --- | | 0000H - 5FFFH | Pattern name table (192 lines) | | 0000H - 69FFH | Pattern name table (212 lines) | | 7400H - 75FFH | Sprite colour table | | 7600H - 767FH | Sprite attribute table | | 7680H - 76AFH | Palette table | | 7A00H - 7FFFH | Sprite generator table | <p>&nbsp;</p> ## SCREEN 7, 8 / GRAPHIC 6, 7 | Address range | Usage | | --- | --- | | 0000H - BFFFH | Pattern name table (192 lines) | | 0000H - D3FFH | Pattern name table (212 lines) | | F000H - F7FFH | Sprite generator table | | F800H - F9FFH | Sprite colour table | | FA00H - FA7FH | Sprite attribute table | | FA80H - FAAFH | Palette table | <p>&nbsp;</p> ## Changes from the original - The original VRAM mapping figures have been converted to simple text tables. - In [SCREEN 0 (WIDTH 80)](#screen-0-width-80--text-2) map, different end addresses for the blink table are indicated for 24 lines mode and 26.5 lines mode.