ATAPI CD-ROM no longer lowers IRQ at the wrong time, fixes booting of some CD's;

Fixed DMA emulation, fixes Olivetti M24;
(S)VGA emulation for PS/1 and PS/2 machines now uses the old, less accurate sense switches, fixes display error on POST;
Bit 2 of the AT keyboard input port is now always held active, fixes PS/2 mouse on PS/1 and PS/2 machines;
Fixed mouse type selection on non-AT boards;
Fixed RAM type selection;
The entire palette is now overwritten when a monochrome monitor type is selected, fixes graphics mode on Hercules;
Applied updated SCAT emulation patch from PCem forum;
Nvidia Riva and S3 Virge IRQ is now configurable;
Properly applied the mainline PCem commit that fixed the Bahamas64 on the Intel AMI BIOS boards;
Commented out the Diamond Stealth 64 and the Miro Crystal S3 Vision 964 due to their non-working state;
Changed version to 1.06.

src/model.c

@@ -379,6 +379,7 @@ void ps1_common_init()
         device_add(&ps1_audio_device);
         /*PS/1 audio uses ports 200h and 202-207h, so only initialise gameport on 201h*/
         if (joystick_type != 7)  device_add(&gameport_201_device);
+        fdc_set_ps1();
 }
  
 void ps1_m2011_init()
@@ -391,7 +392,6 @@ void ps1_m2121_init()
 {
         ps1_common_init();
         ps1mb_m2121_init();
-        fdc_set_ps1();
 }
 
 void ps2_m30_286_init()
@@ -403,11 +403,11 @@ void ps2_m30_286_init()
         dma16_init();
         ide_init();
         keyboard_at_init();
-        mouse_ps2_init();
         nvr_init();
         pic2_init();
         ps2board_init();
         fdc_set_dskchg_activelow();
+        fdc_set_ps1();
 }
 
 void at_neat_init()