Re-organisation of video emulation.
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TomW
parent
b9062a1d0c
commit
58085bcc87
86 changed files with 8087 additions and 7229 deletions
163
src/vid_svga.h
163
src/vid_svga.h
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@ -1,60 +1,123 @@
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/*Vertical timings*/
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extern int svga_vtotal, svga_dispend, svga_vsyncstart, svga_split;
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/*Horizontal timings*/
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extern int svga_hdisp, svga_htotal, svga_hdisp_time, svga_rowoffset;
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/*Flags - svga_lowres = 1/2 clock in 256+ colour modes, svga_interlace = interlace mode enabled*/
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extern int svga_lowres, svga_interlace;
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extern int svga_linedbl, svga_rowcount;
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/*Status of display on*/
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extern int svga_hdisp_on;
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extern double svga_clock;
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extern uint32_t svga_ma;
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extern void (*svga_recalctimings_ex)();
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extern uint8_t svga_miscout;
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extern int svga_init();
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extern void svga_poll();
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extern void svga_recalctimings();
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typedef struct
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typedef struct svga_t
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{
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int ena;
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int x, y;
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int xoff, yoff;
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uint32_t addr;
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} SVGA_HWCURSOR;
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uint8_t crtcreg;
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uint8_t crtc[128];
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uint8_t gdcreg[16];
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int gdcaddr;
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uint8_t attrregs[32];
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int attraddr, attrff;
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uint8_t seqregs[64];
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int seqaddr;
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uint8_t miscout;
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int vidclock;
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uint32_t vram_limit;
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uint8_t la, lb, lc, ld;
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uint8_t dac_mask, dac_status;
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int dac_read, dac_write, dac_pos;
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uint8_t cgastat;
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int fast;
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uint8_t colourcompare, colournocare;
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int readmode, writemode, readplane;
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int chain4;
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uint8_t writemask;
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uint32_t charseta, charsetb;
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uint8_t egapal[16];
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uint32_t pallook[256];
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PALETTE vgapal;
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int vtotal, dispend, vsyncstart, split;
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int hdisp, hdisp_old, htotal, hdisp_time, rowoffset;
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int lowres, interlace;
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int linedbl, rowcount;
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double clock;
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uint32_t ma_latch;
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int bpp;
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int dispontime, dispofftime;
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int vidtime;
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uint8_t scrblank;
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int dispon;
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int hdisp_on;
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uint32_t ma, maback, ca;
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int vc;
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int sc;
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int linepos, vslines, linecountff, oddeven;
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int con, cursoron, blink;
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int scrollcache;
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int firstline, lastline;
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int firstline_draw, lastline_draw;
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int displine;
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uint8_t *vram;
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uint8_t *changedvram;
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int vrammask;
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uint32_t write_bank, read_bank;
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int fullchange;
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int video_res_x, video_res_y, video_bpp;
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int frames, fps;
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struct
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{
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int ena;
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int x, y;
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int xoff, yoff;
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uint32_t addr;
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} hwcursor, hwcursor_latch;
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int hwcursor_on;
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void (*render)(struct svga_t *svga);
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void (*recalctimings_ex)(struct svga_t *svga);
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void (*video_out)(uint16_t addr, uint8_t val, void *p);
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uint8_t (*video_in) (uint16_t addr, void *p);
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void (*hwcursor_draw)(struct svga_t *svga, int displine);
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void *p;
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} svga_t;
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extern int svga_init(svga_t *svga, void *p, int memsize,
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void (*recalctimings_ex)(struct svga_t *svga),
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uint8_t (*video_in) (uint16_t addr, void *p),
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void (*video_out)(uint16_t addr, uint8_t val, void *p),
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void (*hwcursor_draw)(struct svga_t *svga, int displine));
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extern void svga_recalctimings(svga_t *svga);
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extern SVGA_HWCURSOR svga_hwcursor, svga_hwcursor_latch;
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//extern int svga_hwcursor_x, svga_hwcursor_y;
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//extern int svga_hwcursor_xoff, svga_hwcursor_yoff;
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//extern uint32_t /*svga_hwcursor_addr, */svga_hwcursor_addr_cur;
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//extern int svga_hwcursor_ena;
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extern int svga_hwcursor_on;
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extern void (*svga_hwcursor_draw)(int displine);
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uint8_t svga_read(uint32_t addr, void *priv);
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uint16_t svga_readw(uint32_t addr, void *priv);
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uint32_t svga_readl(uint32_t addr, void *priv);
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void svga_write(uint32_t addr, uint8_t val, void *priv);
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void svga_writew(uint32_t addr, uint16_t val, void *priv);
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void svga_writel(uint32_t addr, uint32_t val, void *priv);
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uint8_t svga_read_linear(uint32_t addr, void *priv);
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uint16_t svga_readw_linear(uint32_t addr, void *priv);
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uint32_t svga_readl_linear(uint32_t addr, void *priv);
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void svga_write_linear(uint32_t addr, uint8_t val, void *priv);
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void svga_writew_linear(uint32_t addr, uint16_t val, void *priv);
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void svga_writel_linear(uint32_t addr, uint32_t val, void *priv);
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uint8_t svga_read(uint32_t addr, void *p);
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uint16_t svga_readw(uint32_t addr, void *p);
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uint32_t svga_readl(uint32_t addr, void *p);
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void svga_write(uint32_t addr, uint8_t val, void *p);
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void svga_writew(uint32_t addr, uint16_t val, void *p);
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void svga_writel(uint32_t addr, uint32_t val, void *p);
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uint8_t svga_read_linear(uint32_t addr, void *p);
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uint16_t svga_readw_linear(uint32_t addr, void *p);
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uint32_t svga_readl_linear(uint32_t addr, void *p);
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void svga_write_linear(uint32_t addr, uint8_t val, void *p);
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void svga_writew_linear(uint32_t addr, uint16_t val, void *p);
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void svga_writel_linear(uint32_t addr, uint32_t val, void *p);
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void svga_doblit(int y1, int y2);
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extern uint32_t svga_vram_limit;
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int svga_add_status_info(char *s, int max_len, void *p);
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extern uint8_t svga_rotate[8][256];
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void svga_out(uint16_t addr, uint8_t val, void *priv);
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uint8_t svga_in(uint16_t addr, void *priv);
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void svga_out(uint16_t addr, uint8_t val, void *p);
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uint8_t svga_in(uint16_t addr, void *p);
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