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Fix BIOS switches field. Even though switch bits are inverted, the meaning of the bits read still carry the defined values. Fixes "RISK"

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Jonathan Campbell 2025-01-15 16:41:53 -08:00
parent c6c6461aa3
commit ee24e6f708
1 changed files with 1 additions and 1 deletions
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src/ints/int10.cpp
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@ -1265,7 +1265,7 @@ static void INT10_Seg40Init(void) {
// [http://hackipedia.org/browse.cgi/Computer/Platform/PC%2c%20IBM%20compatible/Video/EGA/IBM/IBM%20Enhanced%20Graphics%20Adapter%20%281984%2d08%2d02%29%2epdf] // [http://hackipedia.org/browse.cgi/Computer/Platform/PC%2c%20IBM%20compatible/Video/EGA/IBM/IBM%20Enhanced%20Graphics%20Adapter%20%281984%2d08%2d02%29%2epdf]
// //
// Anything else is not valid. // Anything else is not valid.
real_writeb(BIOSMEM_SEG,BIOSMEM_SWITCHES,0xFF^((!IS_VGA_ARCH && ega200)?0x7:0x9)); real_writeb(BIOSMEM_SEG,BIOSMEM_SWITCHES,0xF0 | ((!IS_VGA_ARCH && ega200)?0x7:0x9));
// Set the pointer to video save pointer table // Set the pointer to video save pointer table
real_writed(BIOSMEM_SEG, BIOSMEM_VS_POINTER, int10.rom.video_save_pointers); real_writed(BIOSMEM_SEG, BIOSMEM_VS_POINTER, int10.rom.video_save_pointers);
} }