static void write_p3c2(Bitu port,Bitu val,Bitu iolen) {
vga.misc_output=val;
if (val & 0x1) {
IO_RegisterWriteHandler(0x3d4,vga_write_p3d4,IO_MB);
IO_RegisterReadHandler(0x3d4,vga_read_p3d4,IO_MB);
IO_RegisterReadHandler(0x3da,vga_read_p3da,IO_MB);
IO_RegisterWriteHandler(0x3d5,vga_write_p3d5,IO_MB);
IO_RegisterReadHandler(0x3d5,vga_read_p3d5,IO_MB);
IO_FreeWriteHandler(0x3b4,IO_MB);
IO_FreeReadHandler(0x3b4,IO_MB);
IO_FreeWriteHandler(0x3b5,IO_MB);
IO_FreeReadHandler(0x3b5,IO_MB);
IO_FreeReadHandler(0x3ba,IO_MB);
} else {
IO_RegisterWriteHandler(0x3b4,vga_write_p3d4,IO_MB);
IO_RegisterReadHandler(0x3b4,vga_read_p3d4,IO_MB);
IO_RegisterReadHandler(0x3ba,vga_read_p3da,IO_MB);
IO_RegisterWriteHandler(0x3b5,vga_write_p3d5,IO_MB);
IO_RegisterReadHandler(0x3b5,vga_read_p3d5,IO_MB);
IO_FreeWriteHandler(0x3d4,IO_MB);
IO_FreeReadHandler(0x3d4,IO_MB);
IO_FreeWriteHandler(0x3d5,IO_MB);
IO_FreeReadHandler(0x3d5,IO_MB);
IO_FreeReadHandler(0x3da,IO_MB);
}
/*
0 If set Color Emulation. Base Address=3Dxh else Mono Emulation. Base Address=3Bxh.
2-3 Clock Select. 0: 25MHz, 1: 28MHz
5 When in Odd/Even modes Select High 64k bank if set
6 Horizontal Sync Polarity. Negative if set
7 Vertical Sync Polarity. Negative if set
Bit 6-7 indicates the number of lines on the display:
1: 400, 2: 350, 3: 480
Note: Set to all zero on a hardware reset.
Note: This register can be read from port 3CCh.
*/
}
void IO_WriteHandleObject::Uninstall() {
if(!installed) return;
IO_FreeWriteHandler(m_port,m_mask,m_range);
installed=false;
}
IO_WriteHandleObject::~IO_WriteHandleObject(){
if(!installed) return;
IO_FreeWriteHandler(m_port,m_mask,m_range);
//LOG_MSG("FreeWritehandler called with port %X",m_port);
}
IO(Section* configuration):Module_base(configuration){
iof_queue.used=0;
IO_FreeReadHandler(0,IO_MA,IO_MAX);
IO_FreeWriteHandler(0,IO_MA,IO_MAX);
}
