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281 lines
8.4 KiB
281 lines
8.4 KiB
/*[
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Name: gfx_upd.h
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Derived From: Unknown
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Author: Unknown
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Created On: Unknown
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Sccs ID: @(#)gfx_upd.h 1.27 07/09/93
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Purpose: Unknown
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(c)Copyright Insignia Solutions Ltd., 1990. All rights reserved.
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]*/
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/*
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* PC palette structure.
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*/
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typedef struct
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{
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half_word red; /* max = 0xff */
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half_word green; /* max = 0xff */
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half_word blue; /* max = 0xff */
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} PC_palette;
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typedef boolean (*T_mark_byte) IPT1(int, off_in);
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typedef boolean (*T_mark_word) IPT1(int, addr);
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typedef boolean (*T_mark_fill) IPT2(int, laddr, int, haddr);
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typedef boolean (*T_mark_wfill) IPT3(int, laddr, int, haddr, int, col);
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typedef boolean (*T_mark_string) IPT2(int, laddr, int, haddr);
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typedef void (*T_calc_update) IPT0();
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typedef boolean (*T_scroll_up) IPT6(int, start, int, width, int, height, int, attr, int, nlines,int,dummy);
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typedef boolean (*T_scroll_down) IPT6(int, start, int, width, int, height, int, attr, int, nlines,int,dummy);
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typedef struct
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{
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T_mark_byte mark_byte; /* handle byte written to regenmemory */
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T_mark_word mark_word;
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T_mark_fill mark_fill;
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T_mark_wfill mark_wfill;
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T_mark_string mark_string;
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T_calc_update calc_update;
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T_scroll_up scroll_up;
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T_scroll_down scroll_down;
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} UPDATE_ALG;
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/* BCN 864 */
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/* moved from gfx_update.c so other people can use it */
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typedef struct {
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int line_no;
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int start;
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int end;
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long video_copy_offset;
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#ifdef VGG
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int v7frig; /* for those annoying V7 (and undocumented VGA) modes */
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/* with chars_per_line not a multiple of 4 */
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#endif /* VGG */
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} DIRTY_PARTS;
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typedef enum {
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EGA_HI_SP,
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EGA_HI_SP_WR,
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EGA_MED_SP,
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EGA_MED_SP_WR,
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EGA_LO_SP,
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EGA_LO_SP_WR,
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EGA_HI,
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EGA_HI_WR,
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EGA_MED,
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EGA_MED_WR,
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EGA_LO,
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EGA_LO_WR,
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EGA_HI_FUN,
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EGA_MED_FUN,
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EGA_LO_FUN,
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EGA_TEXT_40,
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EGA_TEXT_40_WR,
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EGA_TEXT_40_SP,
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EGA_TEXT_40_SP_WR,
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CGA_TEXT_40,
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CGA_TEXT_40_WR,
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CGA_TEXT_40_SP,
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CGA_TEXT_40_SP_WR,
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TEXT_40_FUN,
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EGA_TEXT_80,
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EGA_TEXT_80_WR,
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EGA_TEXT_80_SP,
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EGA_TEXT_80_SP_WR,
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CGA_TEXT_80,
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CGA_TEXT_80_WR,
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CGA_TEXT_80_SP,
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CGA_TEXT_80_SP_WR,
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TEXT_80_FUN,
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CGA_HI,
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CGA_HI_FUN,
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CGA_MED,
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CGA_MED_FUN,
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DUMMY_FUN
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} DISPLAY_MODE;
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typedef struct
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{
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void (*init_screen) IPT0();
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void (*init_adaptor) IPT2(int,arg1, int,arg2);
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void (*change_mode) IPT0();
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void (*set_screen_scale) IPT1(int,arg1);
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void (*set_palette) IPT2(PC_palette *,arg1, int,arg2);
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void (*set_border) IPT1(int,arg1);
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void (*clr_screen) IPT0();
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void (*flush_screen) IPT0();
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void (*mark_refresh) IPT0();
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void (*graphics_tick) IPT0();
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void (*start_update) IPT0();
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void (*end_update) IPT0();
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boolean (*scroll_up) IPT6(int, start, int, width, int, height,
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int, attr, int, nlines,int,dummy);
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boolean (*scroll_down) IPT6(int,arg1,int,arg2,int,arg3,int,arg4,int,
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arg5,int,arg6);
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void (*paint_cursor) IPT3(int,arg1, int,arg2, half_word,arg3);
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#ifdef GISP_SVGA
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void (*hide_cursor) IPT3(int,arg1, int,arg2, half_word,arg3);
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#endif /* GISP_SVGA */
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#ifdef EGG
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void (*set_paint) IPT2(DISPLAY_MODE,arg1, int,arg2);
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void (*change_plane_mask) IPT1(int,arg1);
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void (*update_fonts) IPT0();
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void (*select_fonts) IPT2(int,arg1, int,arg2);
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void (*free_font) IPT1(int,arg1);
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#endif
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void (*mode_select_changed) IPT1(int,arg1);
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void (*color_select_changed) IPT1(int,arg1);
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void (*screen_address_changed) IPT2(int,arg1, int,arg2);
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void (*cursor_size_changed) IPT2(int,arg1, int,arg2);
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void (*scroll_complete) IPT0();
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} VIDEOFUNCS;
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extern VIDEOFUNCS *working_video_funcs;
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#define host_init_screen()\
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(working_video_funcs->init_screen)()
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#define host_init_adaptor(ad,ht)\
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(working_video_funcs->init_adaptor)(ad,ht)
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#define host_change_mode()\
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(working_video_funcs->change_mode)()
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#define host_set_screen_scale(sz)\
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(working_video_funcs->set_screen_scale)(sz)
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#define host_set_palette(pltt,sz)\
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(working_video_funcs->set_palette)(pltt,sz)
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#define host_set_border_colour(col)\
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(working_video_funcs->set_border)(col)
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#define host_clear_screen()\
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(working_video_funcs->clr_screen)()
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#define host_flush_screen()\
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(working_video_funcs->flush_screen)()
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#define host_mark_screen_refresh()\
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(working_video_funcs->mark_refresh)()
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#define host_graphics_tick()\
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(working_video_funcs->graphics_tick)()
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#define host_start_update()\
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(working_video_funcs->start_update)()
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#define host_end_update()\
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(working_video_funcs->end_update)()
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#define host_scroll_up(l,t,r,b,a,c)\
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(working_video_funcs->scroll_up)(l,t,r,b,a,c)
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#define host_scroll_down(l,t,r,b,a,c)\
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(working_video_funcs->scroll_down)(l,t,r,b,a,c)
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#define host_paint_cursor(x,y,attr)\
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(working_video_funcs->paint_cursor)(x,y,attr)
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#ifdef GISP_SVGA
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#define host_hide_cursor(x,y,attr)\
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(working_video_funcs->hide_cursor)(x,y,attr)
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#endif /* GISP_SVGA */
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#ifdef EGG
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#define host_set_paint_routine(mode,ht)\
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(working_video_funcs->set_paint)(mode,ht)
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#define host_change_plane_mask(mode)\
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(working_video_funcs->change_plane_mask)(mode)
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#define host_update_fonts()\
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(working_video_funcs->update_fonts)()
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#define host_select_fonts(f1,f2)\
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(working_video_funcs->select_fonts)(f1,f2)
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#define host_free_font(ind)\
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(working_video_funcs->free_font)(ind)
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#endif /* EGG */
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/* Overrideable in host defs if not desired */
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#ifndef host_mode_select_changed
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#define host_mode_select_changed(m)\
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(working_video_funcs->mode_select_changed)(m)
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#endif
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/* Overrideable in host defs if not desired */
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#ifndef host_color_select_changed
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#define host_color_select_changed(c)\
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(working_video_funcs->color_select_changed)(c)
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#endif
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/* Overrideable in host defs if not desired */
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#ifndef host_screen_address_changed
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#define host_screen_address_changed(start,end)\
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(working_video_funcs->screen_address_changed)(start,end)
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#endif
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/* Overrideable in host defs if not desired */
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#ifndef host_cursor_size_changed
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#define host_cursor_size_changed(hi, lo)\
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(working_video_funcs->cursor_size_changed)(hi, lo)
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#endif
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/* Overrideable in host defs if not desired */
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#ifndef host_scroll_complete
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#define host_scroll_complete()\
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(working_video_funcs->scroll_complete)()
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#endif
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/*
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* Undefine these GWI defines if the host isn't using the GWI interface
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*/
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#include "host_gwi.h"
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extern void (*paint_screen)(); /* ptr to host routine to paint screen */
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#ifdef V7VGA
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extern void (*paint_v7ptr)(); /* ptr to host routine to paint V7 h/w pointer */
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extern void (*clear_v7ptr)(); /* ptr to host routine to clear V7 h/w pointer */
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#endif /* V7VGA */
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extern UPDATE_ALG update_alg;
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extern byte *video_copy;
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extern MEM_HANDLERS vid_handlers;
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extern boolean text_scroll_up IPT6(int, start, int, width, int, height,
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int, attr, int, nlines,int,dummy);
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extern boolean text_scroll_down IPT6(int, start, int, width, int, height,
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int, attr, int, nlines,int,dummy);
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extern boolean cga_text_scroll_up IPT6(int, start, int, width, int, height,
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int, attr, int, nlines,int,dummy);
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extern boolean cga_text_scroll_down IPT6(int, start, int, width,
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int, height, int, attr, int, nlines,int,dummy);
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extern boolean cga_graph_scroll_up IPT6(int, start, int, width, int, height,
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int, attr, int, nlines, int, colour);
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extern boolean cga_graph_scroll_down IPT6(int, start, int, width,
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int, height, int, attr, int, nlines, int, colour);
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extern void dummy_calc IPT0();
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extern void text_update IPT0();
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extern void cga_med_graph_update IPT0();
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extern void cga_hi_graph_update IPT0();
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extern void ega_text_update IPT0();
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extern void ega_wrap_text_update IPT0();
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extern void ega_split_text_update IPT0();
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extern void ega_wrap_split_text_update IPT0();
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extern void ega_graph_update IPT0();
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extern void ega_wrap_graph_update IPT0();
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extern void ega_split_graph_update IPT0();
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extern void ega_wrap_split_graph_update IPT0();
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extern void vga_graph_update IPT0();
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extern void vga_split_graph_update IPT0();
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#if defined(HERC)
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extern void herc_update_screen IPT0();
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#endif
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extern boolean dummy_scroll IPT6(int,dummy1,int,dummy2,int,dummy3,
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int,dummy4,int,dummy5,int,dummy6);
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extern void bios_has_moved_cursor IPT2(int,arg1, int,arg2);
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extern void base_cursor_shape_changed IPT0();
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extern void host_cga_cursor_has_moved IPT2(int,arg1, int,arg2);
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extern void screen_refresh_required IPT0();
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extern void host_ega_cursor_has_moved IPT2(int,arg1, int,arg2);
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extern void flag_mode_change_required IPT0();
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extern void reset_graphics_routines IPT0();
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extern void reset_paint_routines IPT0();
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#ifdef NTVDM
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IMPORT void stream_io_update(void);
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#endif
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