/* * Copyright (C) 2002 The DOSBox Team * * This program is free software; you can redistribute it and/or modify * it under the terms of the GNU General Public License as published by * the Free Software Foundation; either version 2 of the License, or * (at your option) any later version. * * This program is distributed in the hope that it will be useful, * but WITHOUT ANY WARRANTY; without even the implied warranty of * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the * GNU Library General Public License for more details. * * You should have received a copy of the GNU General Public License * along with this program; if not, write to the Free Software * Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA. */ #define BIOSMEM_SEG 0x40 #define BIOSMEM_INITIAL_MODE 0x10 #define BIOSMEM_CURRENT_MODE 0x49 #define BIOSMEM_NB_COLS 0x4A #define BIOSMEM_PAGE_SIZE 0x4C #define BIOSMEM_CURRENT_START 0x4E #define BIOSMEM_CURSOR_POS 0x50 #define BIOSMEM_CURSOR_TYPE 0x60 #define BIOSMEM_CURRENT_PAGE 0x62 #define BIOSMEM_CRTC_ADDRESS 0x63 #define BIOSMEM_CURRENT_MSR 0x65 #define BIOSMEM_CURRENT_PAL 0x66 #define BIOSMEM_NB_ROWS 0x84 #define BIOSMEM_CHAR_HEIGHT 0x85 #define BIOSMEM_VIDEO_CTL 0x87 #define BIOSMEM_SWITCHES 0x88 #define BIOSMEM_MODESET_CTL 0x89 #define BIOSMEM_DCC_INDEX 0x8A #define BIOSMEM_VS_POINTER 0xA8 /* * * VGA registers * */ #define VGAREG_ACTL_ADDRESS 0x3c0 #define VGAREG_ACTL_WRITE_DATA 0x3c0 #define VGAREG_ACTL_READ_DATA 0x3c1 #define VGAREG_INPUT_STATUS 0x3c2 #define VGAREG_WRITE_MISC_OUTPUT 0x3c2 #define VGAREG_VIDEO_ENABLE 0x3c3 #define VGAREG_SEQU_ADDRESS 0x3c4 #define VGAREG_SEQU_DATA 0x3c5 #define VGAREG_PEL_MASK 0x3c6 #define VGAREG_DAC_STATE 0x3c7 #define VGAREG_DAC_READ_ADDRESS 0x3c7 #define VGAREG_DAC_WRITE_ADDRESS 0x3c8 #define VGAREG_DAC_DATA 0x3c9 #define VGAREG_READ_FEATURE_CTL 0x3ca #define VGAREG_READ_MISC_OUTPUT 0x3cc #define VGAREG_GRDC_ADDRESS 0x3ce #define VGAREG_GRDC_DATA 0x3cf #define VGAREG_MDA_CRTC_ADDRESS 0x3b4 #define VGAREG_MDA_CRTC_DATA 0x3b5 #define VGAREG_VGA_CRTC_ADDRESS 0x3d4 #define VGAREG_VGA_CRTC_DATA 0x3d5 #define VGAREG_MDA_WRITE_FEATURE_CTL 0x3ba #define VGAREG_VGA_WRITE_FEATURE_CTL 0x3da #define VGAREG_ACTL_RESET 0x3da #define VGAREG_MDA_MODECTL 0x3b8 #define VGAREG_CGA_MODECTL 0x3d8 #define VGAREG_CGA_PALETTE 0x3d9 /* Video memory */ #define VGAMEM_GRAPH 0xA000 #define VGAMEM_CTEXT 0xB800 #define VGAMEM_MTEXT 0xB000 /* * * Tables of default values for each mode * */ #define MODE_MAX 0x13 #define TEXT 0x00 #define GRAPH 0x01 #define CTEXT 0x00 #define MTEXT 0x01 #define CGA 0x02 #define PLANAR1 0x03 #define PLANAR2 0x04 #define PLANAR4 0x05 #define LINEAR8 0x06 // for Tandy #define TANDY16 0x0A #define LINEAR15 0x10 #define LINEAR16 0x11 #define LINEAR24 0x12 #define LINEAR32 0x13 #define SCREEN_SIZE(x,y) (((x*y*2)|0x00ff)+1) #define SCREEN_MEM_START(x,y,p) ((((x*y*2)|0x00ff)+1)*p) #define SCREEN_IO_START(x,y,p) ((((x*y)|0x00ff)+1)*p) extern Bit8u int10_font_08[256 * 8]; extern Bit8u int10_font_14[256 * 14]; extern Bit8u int10_font_16[256 * 16]; typedef struct {Bit8u svgamode; Bit16u vesamode; Bit8u type; /* TEXT, GRAPH */ Bit8u memmodel; /* CTEXT,MTEXT,CGA,PL1,PL2,PL4,P8,P15,P16,P24,P32 */ Bit8u nbpages; Bit8u pixbits; Bit16u swidth, sheight; Bit16u twidth, theight; Bit16u cwidth, cheight; Bit16u sstart; Bit16u slength; Bit8u miscreg; Bit8u pelmask; Bit8u crtcmodel; Bit8u actlmodel; Bit8u grdcmodel; Bit8u sequmodel; Bit8u dacmodel; /* 0 1 2 3 */ } VGAMODES; extern VGAMODES vga_modes[MODE_MAX+1]; typedef struct { RealPt font_8_first; RealPt font_8_second; RealPt font_14; RealPt font_16; RealPt static_state; } VGAROMAREA; extern VGAROMAREA int10_romarea; #define BIOS_NCOLS Bit16u ncols=real_readw(BIOSMEM_SEG,BIOSMEM_NB_COLS); #define BIOS_NROWS Bit16u nrows=real_readb(BIOSMEM_SEG,BIOSMEM_NB_ROWS)+1; inline Bit8u CURSOR_POS_COL(Bit8u page) { return real_readb(BIOSMEM_SEG,BIOSMEM_CURSOR_POS+page*2); } inline Bit8u CURSOR_POS_ROW(Bit8u page) { return real_readb(BIOSMEM_SEG,BIOSMEM_CURSOR_POS+page*2+1); } void INT10_SetVideoMode(Bit8u mode); void INT10_ScrollWindow(Bit8u rul,Bit8u cul,Bit8u rlr,Bit8u clr,Bit8s nlines,Bit8u attr,Bit8u page); void INT10_SetActivePage(Bit8u page); void INT10_GetFuncStateInformation(PhysPt save); void INT10_SetCursorPos(Bit8u row,Bit8u col,Bit8u page); void INT10_TeletypeOutput(Bit8u chr,Bit8u attr,bool showattr, Bit8u page); void INT10_ReadCharAttr(Bit16u * result,Bit8u page); void INT10_WriteChar(Bit8u chr,Bit8u attr,Bit8u page,Bit16u count,bool showattr); void INT10_WriteString(Bit8u row,Bit8u col,Bit8u flag,Bit8u attr,PhysPt string,Bit16u count,Bit8u page); /* Graphics Stuff */ void INT10_PutPixel(Bit16u x,Bit16u y,Bit8u page,Bit8u color); void INT10_GetPixel(Bit16u x,Bit16u y,Bit8u page,Bit8u * color); VGAMODES * GetCurrentMode(void); /* Palette Group */ void INT10_SetSinglePaletteRegister(Bit8u reg,Bit8u val); void INT10_SetOverscanBorderColor(Bit8u val); void INT10_SetAllPaletteRegisters(PhysPt data); void INT10_ToggleBlinkingBit(Bit8u state); void INT10_GetSinglePaletteRegister(Bit8u reg,Bit8u * val); void INT10_GetOverscanBorderColor(Bit8u * val); void INT10_GetAllPaletteRegisters(PhysPt data); void INT10_SetSingleDacRegister(Bit8u index,Bit8u red,Bit8u green,Bit8u blue); void INT10_GetSingleDacRegister(Bit8u index,Bit8u * red,Bit8u * green,Bit8u * blue); void INT10_SetDACBlock(Bit16u index,Bit16u count,PhysPt data); void INT10_GetDACBlock(Bit16u index,Bit16u count,PhysPt data); /* Mouse pointer */ void INT10_SetGfxControllerToDefault(void); /* Sup Groups */ void INT10_SetupRomMemory(void);