diff --git a/.gitignore b/.gitignore
new file mode 100644
index 0000000..6f6db68
--- /dev/null
+++ b/.gitignore
@@ -0,0 +1,203 @@
+*.i
+*.s
+*.ii
+*.tmp
+*.bak
+*.hex
+*.save
+*.d
+*.swn
+*.swm
+*.orig
+.metadata
+.dm
+.gradle
+/Releases
+/.nb-gradle/
+*.bin
+*.dmp
+*.elf
+*.lss
+*.map
+*.rpt
+*.srec
+*.swp
+*.zpu
+*.log
+*.done
+*.smsg
+*.summary
+*.jdi
+*.pin
+*.out.sdc
+*.sof
+*.sld
+*.rbf
+*.qws
+*.sav
+*.pof
+*.qdf
+*.srf
+*.swo
+old/
+*/old/
+*/*/old/
+*/*/*/old/
+nohup.out
+*.o
+Manuals/
+asm/CPM22-BIOS.asm
+asm/MZ80AFI.asm.bak
+asm/cpm22.mzf
+asm/dz80.ini
+asm/old/
+howto
+roms/MZ80AFI.BIN
+roms/MZ80AFI.rom
+roms/bios.rom
+roms/cpm22.rom
+tmp/
+src/FatFS
+src/sav
+asm/cbios.asm.bak
+asm/sav/
+rfs_bank2.asm.1703.2200
+roms/cbios_bank5.rom
+roms/cbios_bank6.rom
+roms/cbios_bank7.rom
+roms/cbios_bank8.rom
+src/sdtest.c
+CPM/tools/
+asm/rfs_bank2.prewriteread
+roms/SHARP_MZ80A_RFS_CPM_IMAGE_1.img
+roms/SHARP_MZ80A_RFS_IMAGE_1.img
+roms/cmp
+tools/Master0.z80
+tools/Master1.z80
+tools/assemble_rfs.sh
+src/tools/.flashmmcfg.c.swo
+src/tools/x
+CPM/1M44/DSK/CPM_1M44_RFS_1.DSK
+CPM/1M44/DSK/CPM_1M44_RFS_2.DSK
+CPM/1M44/RAW/CPM_1M44_RFS_1.RAW
+CPM/1M44/RAW/CPM_1M44_RFS_2.RAW
+CPM/SDC16M/
+CPM/cpm3/on2
+asm/.cbiosII.asm.swo
+roms/SA1510.orig
+asm/include/Definitions.asm.swo
+tools/Mars4_5.jar
+mif/monitor_SA1510.mif.bak
+mif/monitor_SA1510.mif.tst
+SD/
+NASCAS
+CAS
+MZF
+BAS
+CPM/CPM00_MZ800
+CPM/CPM00_SYSTEM
+CPM/CPM01_TURBOP
+CPM/CPM02_HI_C
+CPM/CPM03_FORTRAN80
+CPM/CPM04_MBASIC
+CPM/CPM05_COBOL80_v13
+CPM/CPM06_COBOL80_v20
+CPM/CPM07_COBOL80
+CPM/CPM08_Z80FORTH
+CPM/CPM09_CPMTEX
+CPM/CPM10_DISKUTILFUNC5
+CPM/CPM11_MAC80
+CPM/CPM12_PASCALMTP_v561
+CPM/CPM13_MTPUG_01
+CPM/CPM14_MTPUG_02
+CPM/CPM15_MTPUG_03
+CPM/CPM16_MTPUG_04
+CPM/CPM17_MTPUG_05
+CPM/CPM18_MTPUG_06
+CPM/CPM19_MTPUG_07
+CPM/CPM20_MTPUG_08
+CPM/CPM21_MTPUG_09
+CPM/CPM22_MTPUG_10
+CPM/CPM23_PLI
+CPM/CPM24_PLI80_v13
+CPM/CPM25_PLI80_v14
+CPM/CPM26_TPASCAL_v300a
+CPM/CPM27_WORDSTAR_v30
+CPM/CPM28_PLM80
+CPM/CPM29_ZSID_v14
+CPM/CPM30_WORDSTAR_v400
+CPM/CPM31_WORDSTAR_v330
+CPM/CPM32_ZCPR3
+CPM/CPM33_ZCPR3_COMMON
+CPM/CPM_MC_5
+CPM/CPM_MC_C0
+CPM/CPM_MC_C1
+CPM/CPM_MC_C2
+CPM/CPM_MC_C3
+CPM/CPM_MC_C4
+CPM/CPM_MC_C5
+CPM/CPM_MC_C6
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+CPM/CPM_MC_C9
+CPM/CPM_MC_D0
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+CPM/CPM_MC_D2
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+CPM/CPM_MC_D5
+CPM/CPM_MC_D6
+CPM/CPM_MC_D7
+CPM/CPM_MC_D8
+CPM/CPM_MC_D9
+CPM/CPM_MC_E0
+CPM/CPM_MC_E1
+CPM/CPM_MC_E2
+CPM/CPM_MC_E3
+CPM/CPM_MC_E4
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+CPM/CPM_MC_F7
+CPM/CPM_MC_F8
+CPM/CPM_MC_F9
+CPM/CPM_RFS_1
+CPM/CPM_RFS_2
+CPM/PLM80
+CPM/tosort
+MZB
+CPM/320K/DSK
+CPM/320K/RAW
+CPM/720K/DSK
+CPM/720K/RAW
+CPM/1M44/DSK
+CPM/1M44/RAW
+CPM/CPM_MULTICOMP_contents.txt
+disks
+CPM
+DSK
+MZ800_IOCS.ref
+asm/new/
+asm/savit
+dz80.ini
+full.asm
+software.bak/
+roms/data
+roms/fill
+roms/keymap_readme.txt
+roms/split
+roms/x
+x/
+dz80.ini
+full.asm
+full.bin
+MZ800_IOCS.ref