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/*
* command esc character
* set to have most bits (but not all) set to 1
*/
#define COMMAND_ESC 127
/*
* BEGIN sync count
* This is number of zero bytes to be returned by
* driver in response to a BEGIN request
*/
#define BEGIN_SYNC_COUNT 32
/*
* command tokens
* note: none should be zero, or equal to COMMAND_ESC
*/
#define GET_NUM_COLORS 1
#define COLOR 2
#define COLOR_PRINT 3
#define CONT_ABS 4
#define CONT_REL 5
#define RGB_COLOR 6
#define ERASE 7
#define GET_LOCATION_WITH_BOX 8
#define GET_LOCATION_WITH_LINE 9
#define GET_LOCATION_WITH_POINTER 10
#define GRAPH_CLOSE 11
#define LINEMOD 12
#define MOVE_ABS 13
#define MOVE_REL 14
#define POLYGON_ABS 15
#define POLYGON_REL 16
#define POLYLINE_ABS 17
#define POLYLINE_REL 18
#define POLYDOTS_ABS 19
#define POLYDOTS_REL 20
#define RASTER_CHAR 21
#define RASTER_INT 22
#define RESET_COLORS 23
#define RESET_COLOR 24
#define SCREEN_LEFT 25
#define SCREEN_RITE 26
#define SCREEN_BOT 27
#define SCREEN_TOP 28
#define TEXT 29
#define TEXT_SIZE 30
#define _____UNUSED_1 31
#define _____UNUSED_2 32
#define _____UNUSED_3 33
#define _____UNUSED_4 34
#define _____UNUSED_5 35
#define COLOR_TABLE_FIXED 36
#define COLOR_TABLE_FLOAT 37
#define COLOR_OFFSET 38
#define TEXT_ROTATION 39
#define SET_WINDOW 40
#define _____UNUSED_6 41
#define GET_TEXT_BOX 42
#define ZRASTER 43
#define FONT 44
#define RESPOND 45
#define BEGIN 46
#define STANDARD_COLOR 47
#define BOX_ABS 48
#define BOX_REL 49
#define RGB_RASTER 50
#define _____UNUSED_7 51
#define RGB_COLORS 52
#define PANEL_SAVE 53
#define PANEL_RESTORE 54
#define PANEL_DELETE 55
#define PAD_CREATE 61
#define PAD_CURRENT 62
#define PAD_DELETE 63
#define PAD_INVENT 64
#define PAD_LIST 65
#define PAD_SELECT 66
#define PAD_APPEND_ITEM 71
#define PAD_DELETE_ITEM 72
#define PAD_GET_ITEM 73
#define PAD_LIST_ITEMS 74
#define PAD_SET_ITEM 75
/* freetype */
#define FONT_FREETYPE 76
#define FONT_FREETYPE_RELEASE 77
#define CHARSET 78
/* return codes for pad routines */
#define OK 0
#define NO_MEMORY 1
#define NO_PAD 2
#define NO_CUR_PAD 3
#define NO_ITEM 4
#define DUPLICATE 5
#define ILLEGAL 6
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