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Remove various unused ega_t fields and lots of unused 8514 stuff

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starfrost013
2025-06-21 00:39:50 +01:00
parent c826294a96
commit bba8f4d499
11 changed files with 101 additions and 199 deletions
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127
src/include/86box/vid_ega.h
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@@ -13,14 +13,18 @@
*
* Authors: Sarah Walker, <https://pcem-emulator.co.uk/>
* Miran Grca, <mgrca8@gmail.com>
* Connor Hyde / starfrost, <mario64crashed@gmail.com>
*
* Copyright 2008-2020 Sarah Walker.
* Copyright 2016-2020 Miran Grca.
* Copyright 2025 Connor Hyde.
*/
#ifndef VIDEO_EGA_H
#define VIDEO_EGA_H
#include <stdbool.h>
#if defined(EMU_MEM_H) && defined(EMU_ROM_H)
typedef struct ega_t {
mem_mapping_t mapping;
@@ -57,65 +61,52 @@ typedef struct ega_t {
uint16_t light_pen;
int vidclock;
int fast;
int extvram;
int vres;
int readmode;
int writemode;
int readplane;
int vrammask;
int chain4;
int chain2_read;
int chain2_write;
int cursorvisible;
int oddeven_page;
int oddeven_chain;
int vc;
int real_vc;
int scanline;
int dispon;
int hdisp_on;
int cursoron;
int blink;
int fullchange;
int linepos;
int vslines;
int linecountff;
int oddeven;
int lowres;
int interlace;
int linedbl;
int lindebl;
int rowcount;
int vtotal;
int dispend;
int vsyncstart;
int split;
int hdisp;
int hdisp_old;
int htotal;
int hdisp_time;
int rowoffset;
int vblankstart;
int scrollcache;
int firstline;
int lastline;
int firstline_draw;
int lastline_draw;
int x_add;
int y_add;
int displine;
int res_x;
int res_y;
int bpp;
int index;
int remap_required;
int actual_type;
int chipset;
int mono_display;
int32_t vidclock;
int32_t vres;
int32_t readmode;
int32_t writemode;
int32_t readplane;
int32_t vrammask;
int32_t chain4;
int32_t chain2_read;
int32_t chain2_write;
int32_t cursorvisible;
int32_t vc;
int32_t real_vc;
int32_t scanline;
int32_t dispon;
int32_t cursoron;
int32_t blink;
int32_t fullchange;
int32_t linepos;
int32_t vslines;
int32_t linecountff;
int32_t oddeven;
int32_t interlace;
int32_t linedbl;
int32_t rowcount;
int32_t vtotal;
int32_t dispend;
int32_t vsyncstart;
int32_t split;
int32_t hdisp;
int32_t htotal;
int32_t rowoffset;
int32_t vblankstart;
int32_t scrollcache;
int32_t firstline;
int32_t lastline;
int32_t firstline_draw;
int32_t lastline_draw;
int32_t x_add;
int32_t y_add;
int32_t displine;
int32_t index;
bool remap_required;
int32_t actual_type;
int32_t chipset;
int mda_attr_to_color_table[256][2][2];
int32_t mda_attr_to_color_table[256][2][2];
uint32_t charseta;
uint32_t charsetb;
@@ -164,7 +155,7 @@ extern const device_t jega_device;
extern const device_t jvga_device;
#endif
extern int update_overscan;
extern int32_t update_overscan;
#define DISPLAY_RGB 0
#define DISPLAY_COMPOSITE 1
@@ -174,7 +165,7 @@ extern int update_overscan;
#define DISPLAY_WHITE 5
#if defined(EMU_MEM_H) && defined(EMU_ROM_H)
extern void ega_init(ega_t *ega, int monitor_type, int is_mono);
extern void ega_init(ega_t *ega, int32_t monitor_type, int32_t is_mono);
extern void ega_recalctimings(struct ega_t *ega);
extern void ega_recalc_remap_func(struct ega_t *ega);
#endif
@@ -186,18 +177,18 @@ extern void ega_write(uint32_t addr, uint8_t val, void *priv);
extern uint8_t ega_read(uint32_t addr, void *priv);
extern void ega_set_type(void *priv, uint32_t local);
extern int firstline_draw;
extern int lastline_draw;
extern int displine;
extern int scanline;
extern int32_t firstline_draw;
extern int32_t lastline_draw;
extern int32_t displine;
extern int32_t scanline;
extern uint32_t memaddr;
extern uint32_t cursoraddr;
extern int cursorvisible;
extern int cursoron;
extern int cgablink;
extern int32_t cursorvisible;
extern int32_t cursoron;
extern int32_t cgablink;
extern int scrollcache;
extern int32_t scrollcache;
extern uint8_t edatlookup[4][4];
extern uint8_t egaremap2bpp[256];