mirror of
https://github.com/retro100/dosbox-wii.git
synced 2024-11-19 08:39:15 +01:00
207 lines
5.9 KiB
C
207 lines
5.9 KiB
C
/*
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* Copyright (C) 2002 The DOSBox Team
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*
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* This program is free software; you can redistribute it and/or modify
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* it under the terms of the GNU General Public License as published by
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* the Free Software Foundation; either version 2 of the License, or
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* (at your option) any later version.
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*
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* This program is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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* GNU Library General Public License for more details.
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*
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* You should have received a copy of the GNU General Public License
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* along with this program; if not, write to the Free Software
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* Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA.
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*/
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#define BIOSMEM_SEG 0x40
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#define BIOSMEM_INITIAL_MODE 0x10
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#define BIOSMEM_CURRENT_MODE 0x49
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#define BIOSMEM_NB_COLS 0x4A
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#define BIOSMEM_PAGE_SIZE 0x4C
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#define BIOSMEM_CURRENT_START 0x4E
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#define BIOSMEM_CURSOR_POS 0x50
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#define BIOSMEM_CURSOR_TYPE 0x60
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#define BIOSMEM_CURRENT_PAGE 0x62
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#define BIOSMEM_CRTC_ADDRESS 0x63
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#define BIOSMEM_CURRENT_MSR 0x65
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#define BIOSMEM_CURRENT_PAL 0x66
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#define BIOSMEM_NB_ROWS 0x84
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#define BIOSMEM_CHAR_HEIGHT 0x85
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#define BIOSMEM_VIDEO_CTL 0x87
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#define BIOSMEM_SWITCHES 0x88
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#define BIOSMEM_MODESET_CTL 0x89
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#define BIOSMEM_DCC_INDEX 0x8A
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#define BIOSMEM_VS_POINTER 0xA8
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/*
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*
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* VGA registers
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*
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*/
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#define VGAREG_ACTL_ADDRESS 0x3c0
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#define VGAREG_ACTL_WRITE_DATA 0x3c0
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#define VGAREG_ACTL_READ_DATA 0x3c1
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#define VGAREG_INPUT_STATUS 0x3c2
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#define VGAREG_WRITE_MISC_OUTPUT 0x3c2
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#define VGAREG_VIDEO_ENABLE 0x3c3
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#define VGAREG_SEQU_ADDRESS 0x3c4
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#define VGAREG_SEQU_DATA 0x3c5
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#define VGAREG_PEL_MASK 0x3c6
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#define VGAREG_DAC_STATE 0x3c7
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#define VGAREG_DAC_READ_ADDRESS 0x3c7
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#define VGAREG_DAC_WRITE_ADDRESS 0x3c8
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#define VGAREG_DAC_DATA 0x3c9
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#define VGAREG_READ_FEATURE_CTL 0x3ca
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#define VGAREG_READ_MISC_OUTPUT 0x3cc
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#define VGAREG_GRDC_ADDRESS 0x3ce
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#define VGAREG_GRDC_DATA 0x3cf
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#define VGAREG_MDA_CRTC_ADDRESS 0x3b4
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#define VGAREG_MDA_CRTC_DATA 0x3b5
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#define VGAREG_VGA_CRTC_ADDRESS 0x3d4
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#define VGAREG_VGA_CRTC_DATA 0x3d5
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#define VGAREG_MDA_WRITE_FEATURE_CTL 0x3ba
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#define VGAREG_VGA_WRITE_FEATURE_CTL 0x3da
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#define VGAREG_ACTL_RESET 0x3da
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#define VGAREG_MDA_MODECTL 0x3b8
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#define VGAREG_CGA_MODECTL 0x3d8
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#define VGAREG_CGA_PALETTE 0x3d9
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/* Video memory */
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#define VGAMEM_GRAPH 0xA000
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#define VGAMEM_CTEXT 0xB800
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#define VGAMEM_MTEXT 0xB000
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/*
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*
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* Tables of default values for each mode
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*
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*/
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#define MODE_MAX 0x13
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#define TEXT 0x00
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#define GRAPH 0x01
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#define CTEXT 0x00
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#define MTEXT 0x01
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#define CGA 0x02
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#define PLANAR1 0x03
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#define PLANAR2 0x04
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#define PLANAR4 0x05
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#define LINEAR8 0x06
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// for Tandy
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#define TANDY16 0x0A
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#define LINEAR15 0x10
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#define LINEAR16 0x11
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#define LINEAR24 0x12
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#define LINEAR32 0x13
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#define SCREEN_SIZE(x,y) (((x*y*2)|0x00ff)+1)
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#define SCREEN_MEM_START(x,y,p) ((((x*y*2)|0x00ff)+1)*p)
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#define SCREEN_IO_START(x,y,p) ((((x*y)|0x00ff)+1)*p)
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extern Bit8u int10_font_08[256 * 8];
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extern Bit8u int10_font_14[256 * 14];
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extern Bit8u int10_font_16[256 * 16];
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typedef struct
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{Bit8u svgamode;
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Bit16u vesamode;
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Bit8u type; /* TEXT, GRAPH */
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Bit8u memmodel; /* CTEXT,MTEXT,CGA,PL1,PL2,PL4,P8,P15,P16,P24,P32 */
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Bit8u nbpages;
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Bit8u pixbits;
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Bit16u swidth, sheight;
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Bit16u twidth, theight;
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Bit16u cwidth, cheight;
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Bit16u sstart;
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Bit16u slength;
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Bit8u miscreg;
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Bit8u pelmask;
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Bit8u crtcmodel;
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Bit8u actlmodel;
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Bit8u grdcmodel;
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Bit8u sequmodel;
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Bit8u dacmodel; /* 0 1 2 3 */
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} VGAMODES;
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extern VGAMODES vga_modes[MODE_MAX+1];
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typedef struct {
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RealPt font_8_first;
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RealPt font_8_second;
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RealPt font_14;
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RealPt font_16;
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RealPt static_state;
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} VGAROMAREA;
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extern VGAROMAREA int10_romarea;
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#define BIOS_NCOLS Bit16u ncols=real_readw(BIOSMEM_SEG,BIOSMEM_NB_COLS);
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#define BIOS_NROWS Bit16u nrows=real_readb(BIOSMEM_SEG,BIOSMEM_NB_ROWS)+1;
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inline Bit8u CURSOR_POS_COL(Bit8u page) {
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return real_readb(BIOSMEM_SEG,BIOSMEM_CURSOR_POS+page*2);
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}
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inline Bit8u CURSOR_POS_ROW(Bit8u page) {
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return real_readb(BIOSMEM_SEG,BIOSMEM_CURSOR_POS+page*2+1);
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}
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void INT10_SetVideoMode(Bit8u mode);
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void INT10_ScrollWindow(Bit8u rul,Bit8u cul,Bit8u rlr,Bit8u clr,Bit8s nlines,Bit8u attr,Bit8u page);
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void INT10_SetActivePage(Bit8u page);
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void INT10_GetFuncStateInformation(PhysPt save);
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void INT10_SetCursorPos(Bit8u row,Bit8u col,Bit8u page);
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void INT10_TeletypeOutput(Bit8u chr,Bit8u attr,bool showattr, Bit8u page);
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void INT10_ReadCharAttr(Bit16u * result,Bit8u page);
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void INT10_WriteChar(Bit8u chr,Bit8u attr,Bit8u page,Bit16u count,bool showattr);
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void INT10_WriteString(Bit8u row,Bit8u col,Bit8u flag,Bit8u attr,PhysPt string,Bit16u count,Bit8u page);
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/* Graphics Stuff */
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void INT10_PutPixel(Bit16u x,Bit16u y,Bit8u page,Bit8u color);
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void INT10_GetPixel(Bit16u x,Bit16u y,Bit8u page,Bit8u * color);
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VGAMODES * GetCurrentMode(void);
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/* Palette Group */
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void INT10_SetSinglePaletteRegister(Bit8u reg,Bit8u val);
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void INT10_SetOverscanBorderColor(Bit8u val);
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void INT10_SetAllPaletteRegisters(PhysPt data);
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void INT10_ToggleBlinkingBit(Bit8u state);
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void INT10_GetSinglePaletteRegister(Bit8u reg,Bit8u * val);
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void INT10_GetOverscanBorderColor(Bit8u * val);
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void INT10_GetAllPaletteRegisters(PhysPt data);
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void INT10_SetSingleDacRegister(Bit8u index,Bit8u red,Bit8u green,Bit8u blue);
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void INT10_GetSingleDacRegister(Bit8u index,Bit8u * red,Bit8u * green,Bit8u * blue);
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void INT10_SetDACBlock(Bit16u index,Bit16u count,PhysPt data);
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void INT10_GetDACBlock(Bit16u index,Bit16u count,PhysPt data);
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/* Sup Groups */
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void INT10_SetupRomMemory(void);
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