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https://github.com/joncampbell123/dosbox-x.git
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24 lines
1.7 KiB
C
24 lines
1.7 KiB
C
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enum {
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GDC_CMD_RESET = 0x00, // 0 0 0 0 0 0 0 0
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GDC_CMD_DISPLAY_BLANK = 0x0C, // 0 0 0 0 1 1 0 DE
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GDC_CMD_SYNC = 0x0E, // 0 0 0 0 1 1 1 DE
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GDC_CMD_MODE_REPLACE = 0x20, // 0 0 1 0 0 0 0 0
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GDC_CMD_MODE_COMPLEMENT = 0x21, // 0 0 1 0 0 0 0 1
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GDC_CMD_MODE_CLEAR = 0x22, // 0 0 1 0 0 0 1 0
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GDC_CMD_MODE_SET = 0x23, // 0 0 1 0 0 0 1 1
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GDC_CMD_CURSOR_POSITION = 0x49, // 0 1 0 0 1 0 0 1
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GDC_CMD_CSRW = 0x49, // 0 1 0 0 1 0 0 1
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GDC_CMD_CURSOR_CHAR_SETUP = 0x4B, // 0 1 0 0 1 0 1 1
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GDC_CMD_ZOOM = 0x46, // 0 1 0 0 0 1 1 0
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GDC_CMD_PITCH_SPEC = 0x47, // 0 1 0 0 0 1 1 1
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GDC_CMD_VECTW = 0x4C, // 0 1 0 0 1 1 0 0
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GDC_CMD_TEXTE = 0x68, // 0 1 1 0 1 0 0 0
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GDC_CMD_START_DISPLAY = 0x6B, // 0 1 1 0 1 0 1 1
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GDC_CMD_VECTE = 0x6c, // 0 1 1 0 1 1 0 0
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GDC_CMD_VERTICAL_SYNC_MODE = 0x6E, // 0 1 1 0 1 1 1 M
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GDC_CMD_PARAMETER_RAM_LOAD = 0x70, // 0 1 1 1 S S S S S[3:0] = starting address in parameter RAM
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GDC_CMD_TEXTW = 0x78, // 0 1 1 1 1 0 0 0 This is the same as GDC_CMD_PARAMETER_RAM_LOAD+8 aka loading at the 8th byte
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GDC_CMD_CURSOR_ADDRESS_READ = 0xE0 // 1 1 1 0 0 0 0 0
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};
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