Files
86Box/src/video/vid_ega_render.h

43 lines
1.1 KiB
C

/*
* 86Box A hypervisor and IBM PC system emulator that specializes in
* running old operating systems and software designed for IBM
* PC systems and compatibles from 1981 through fairly recent
* system designs based on the PCI bus.
*
* This file is part of the 86Box distribution.
*
* EGA renderers.
*
* Version: @(#)vid_ega_render.h 1.0.3 2019/10/03
*
* Author: Sarah Walker, <http://pcem-emulator.co.uk/>
* Miran Grca, <mgrca8@gmail.com>
* Copyright 2008-2019 Sarah Walker.
* Copyright 2016-2019 Miran Grca.
*/
extern int firstline_draw, lastline_draw;
extern int displine;
extern int sc;
extern uint32_t ma, ca;
extern int con, cursoron, cgablink;
extern int scrollcache;
extern uint8_t edatlookup[4][4];
void ega_render_blank(ega_t *ega);
void ega_render_overscan_left(ega_t *ega);
void ega_render_overscan_right(ega_t *ega);
void ega_render_text_40(ega_t *ega);
void ega_render_text_80(ega_t *ega);
void ega_render_2bpp_lowres(ega_t *ega);
void ega_render_2bpp_highres(ega_t *ega);
void ega_render_4bpp_lowres(ega_t *ega);
void ega_render_4bpp_highres(ega_t *ega);