Various changes to FDC emulation.

Support for multiple disc image formats.
Added preliminary FDI support.

src/Makefile.mingw

@@ -5,11 +5,11 @@ WINDRES = windres.exe
 CFLAGS = -O3 -march=i686 -fomit-frame-pointer
 OBJ = 386.o 386_dynarec.o 386_dynarec_ops.o 808x.o acer386sx.o ali1429.o amstrad.o cdrom-ioctl.o \
 	codegen.o codegen_ops.o codegen_timing_486.o codegen_timing_pentium.o codegen_x86.o config.o cpu.o dac.o \
-	device.o dma.o fdc.o gameport.o headland.o i430lx.o i430fx.o i430vx.o ide.o intel.o \
-	intel_flash.o io.o jim.o keyboard.o keyboard_amstrad.o keyboard_at.o keyboard_olim24.o \
-	keyboard_pcjr.o keyboard_xt.o lpt.o mcr.o mem.o model.o mouse.o mouse_ps2.o mouse_serial.o \
-	neat.o nmi.o nvr.o olivetti_m24.o opti.o pc.o pci.o pic.o piix.o pit.o ppi.o rom.o serial.o \
-	sis496.o sound.o sound_ad1848.o sound_adlib.o sound_adlibgold.o sound_cms.o sound_dbopl.o \
+	device.o disc.o disc_fdi.o disc_img.o dma.o fdc.o fdi2raw.o gameport.o headland.o i430lx.o i430fx.o \
+	i430vx.o ide.o intel.o intel_flash.o io.o jim.o keyboard.o keyboard_amstrad.o keyboard_at.o \
+	keyboard_olim24.o keyboard_pcjr.o keyboard_xt.o lpt.o mcr.o mem.o model.o mouse.o mouse_ps2.o \
+	mouse_serial.o neat.o nmi.o nvr.o olivetti_m24.o opti.o pc.o pci.o pic.o piix.o pit.o ppi.o rom.o \
+	serial.o sis496.o sound.o sound_ad1848.o sound_adlib.o sound_adlibgold.o sound_cms.o sound_dbopl.o \
 	sound_emu8k.o sound_gus.o sound_mpu401_uart.o sound_opl.o sound_pas16.o sound_resid.o \
 	sound_sb.o sound_sb_dsp.o sound_sn76489.o sound_speaker.o sound_ssi2001.o sound_wss.o \
 	soundopenal.o timer.o um8881f.o um8669f.o vid_ati_eeprom.o vid_ati_mach64.o vid_ati18800.o \