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New ega memory tables, and more lookup variables

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Imported-from: https://svn.code.sf.net/p/dosbox/code-0/dosbox/trunk@172
This commit is contained in:
Sjoerd van der Berg 2002-08-19 12:53:12 +00:00
parent a1ed02efa3
commit 193675b0cb
1 changed files with 9 additions and 8 deletions
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17
src/hardware/vga.h
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@ -65,11 +65,14 @@ typedef struct {
Bit8u color_compare;
Bit8u data_rotate;
Bit8u raster_op;
Bit8u enable_set_reset;
Bit8u set_reset;
Bit32u full_bit_mask;
Bit32u full_map_mask;
Bit32u full_not_map_mask;
Bit32u full_set_reset;
Bit32u full_not_enable_set_reset;
Bit32u full_enable_set_reset;
Bit32u full_enable_and_set_reset;
} VGA_Config;
@ -215,15 +218,11 @@ void VGA_DrawGFX4_Full(Bit8u * bitdata,Bitu next_line);
void VGA_DrawGFX2_Full(Bit8u * bitdata,Bitu next_line);
/* The Different Memory Read/Write Handlers */
Bit8u VGA_NormalReadHandler(Bit32u start);
void VGA_NormalWriteHandler(Bit32u start,Bit8u val);
void VGA_GFX_256U_WriteHandler(Bit32u start,Bit8u val);
void VGA_GFX_16_WriteHandler(Bit32u start,Bit8u val);
void VGA_GFX_4_WriteHandler(Bit32u start,Bit8u val);
Bit8u VGA_ChainedReadHandler(Bit32u start);
void VGA_ChainedWriteHandler(Bit32u start,Bit8u val);
Bit8u VGA_GFX_4_ReadHandler(Bit32u start);
@ -248,12 +247,14 @@ extern VGA_Type vga;
extern Bit8u vga_rom_8[256 * 8];
extern Bit8u vga_rom_14[256 * 14];
extern Bit8u vga_rom_16[256 * 16];
//extern Bit8u vga_buffer[1024*1024];
extern Bit32u ExpandTable[256];
extern Bit32u FillTable[16];
extern Bit32u CGAWriteTable[256];
extern Bit32u Expand16Table[4][16];
extern Bit32u Expand16BigTable[0x10000];
#ifdef DEBUG_VGA
#if DEBUG_VGA
#define LOG_VGA LOG_DEBUG
#else
#define LOG_VGA