170 lines
4.2 KiB
C
170 lines
4.2 KiB
C
// d_video.h
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#ifndef __VIDEO__
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#define __VIDEO__
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#define _outbyte(x,y) (_outbyte((unsigned short)(x),(unsigned char)(y)))
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#define _outhword(x,y) (_outhword((unsigned short)(x),(unsigned short)(y)))
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#define _inbyte(x) (_inbyte((unsigned short)(x)))
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#define _inhword(x) (_inhword((unsigned short)(x)))
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/*
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=============================================================================
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CONSTANTS
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=============================================================================
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*/
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#define SC_INDEX 0x3C4
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#define SC_RESET 0
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#define SC_CLOCK 1
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#define SC_MAPMASK 2
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#define SC_CHARMAP 3
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#define SC_MEMMODE 4
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#define CRTC_INDEX 0x3D4
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#define CRTC_H_TOTAL 0
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#define CRTC_H_DISPEND 1
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#define CRTC_H_BLANK 2
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#define CRTC_H_ENDBLANK 3
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#define CRTC_H_RETRACE 4
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#define CRTC_H_ENDRETRACE 5
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#define CRTC_V_TOTAL 6
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#define CRTC_OVERFLOW 7
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#define CRTC_ROWSCAN 8
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#define CRTC_MAXSCANLINE 9
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#define CRTC_CURSORSTART 10
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#define CRTC_CURSOREND 11
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#define CRTC_STARTHIGH 12
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#define CRTC_STARTLOW 13
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#define CRTC_CURSORHIGH 14
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#define CRTC_CURSORLOW 15
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#define CRTC_V_RETRACE 16
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#define CRTC_V_ENDRETRACE 17
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#define CRTC_V_DISPEND 18
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#define CRTC_OFFSET 19
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#define CRTC_UNDERLINE 20
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#define CRTC_V_BLANK 21
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#define CRTC_V_ENDBLANK 22
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#define CRTC_MODE 23
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#define CRTC_LINECOMPARE 24
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#define GC_INDEX 0x3CE
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#define GC_SETRESET 0
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#define GC_ENABLESETRESET 1
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#define GC_COLORCOMPARE 2
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#define GC_DATAROTATE 3
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#define GC_READMAP 4
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#define GC_MODE 5
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#define GC_MISCELLANEOUS 6
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#define GC_COLORDONTCARE 7
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#define GC_BITMASK 8
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#define ATR_INDEX 0x3c0
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#define ATR_MODE 16
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#define ATR_OVERSCAN 17
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#define ATR_COLORPLANEENABLE 18
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#define ATR_PELPAN 19
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#define ATR_COLORSELECT 20
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#define STATUS_REGISTER_1 0x3da
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#define PEL_WRITE_ADR 0x3c8
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#define PEL_READ_ADR 0x3c7
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#define PEL_DATA 0x3c9
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//=================================
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#define SCREEN 0xa0000
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#define SCREENWIDTH 320
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#define SCREENHEIGHT 200
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// make sure equates in NID_VH_A.ASM are also correct
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/*
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=============================================================================
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TYPES
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=============================================================================
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*/
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typedef struct
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{
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short width,height;
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short orgx,orgy;
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byte data;
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} pic_t;
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/*
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=============================================================================
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GLOBALS
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=============================================================================
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*/
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extern byte *screen;
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extern byte *ylookup[SCREENHEIGHT]; // into video screen
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/*
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=============================================================================
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FUNCTIONS
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=============================================================================
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*/
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#define CLI _setflags((unsigned short)(_getflags()&~_FLAG_INTERRUPT))
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#define STI _setflags((unsigned short)(_getflags()|_FLAG_INTERRUPT))
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void VI_Init (void);
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void VI_SetVGAMode(void);
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void VI_SetTextMode(void);
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//
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// vga register ops
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//
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void VI_WaitVBL(int vbls);
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//
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// palette ops
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//
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void VI_SetPalette(byte *pallete);
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void VI_GetPalette(byte *pallete);
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void VI_FillPalette(int red, int green, int blue);
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void VI_SetColor(int color, int red, int green, int blue);
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void VI_GetColor(int color, int *red, int *green, int *blue);
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void VI_FadeOut (int start, int end, int red, int green, int blue, int steps);
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void VI_FadeIn(int start, int end, byte *pallete, int steps);
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void VI_ColorBorder(int color);
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//
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// pixel ops
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//
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void VI_Plot(int x, int y, int color);
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void VI_Hlin(int x, int y, int width, int color);
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void VI_Vlin(int x, int y, int height, int color);
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void VI_Bar(int x, int y, int width, int height, int color);
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//
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// block ops
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//
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void VI_DrawPic(int x, int y, pic_t *pic);
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void VI_DrawMaskedPic2(int x, int y, pic_t *pic);
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void VI_DrawMaskedPicToBuffer(int x, int y, pic_t *pic);
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#endif
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