This a FREE tool chain which compiles C codes into 8051 binary code, converts the binary to RTL ROM, and simulate in Modelsim.SDCC is the compiler.Example compilation: cd compile sdcc- iram-size 0x80- xram-size 0x800 t8051 . c REM sdcc- iram-size 0x80 t8051.c packihx t8051.ihx> t8051.hex .. estmkrom.exe .. compile 8051.hex

P8051
.....\binary
.....\......\sdcc-2.8.0-setup.exe
.....\......\srecord-1.42-win32.zip
.....\compile
.....\.......\cast.c
.....\.......\compile.bat
.....\.......\divmul.asm
.....\.......\divmul.c
.....\.......\divmul.hex
.....\.......\divmul.ihx
.....\.......\divmul.lst
.....\.......\divmul.map
.....\.......\divmul.mem
.....\.......\divmul.rel
.....\.......\divmul.rst
.....\.......\divmul.sym
.....\.......\divmul_1.hex
.....\.......\fib.c
.....\.......\gcd.c
.....\.......\i8051_rom.vhd
.....\.......\int2bin.c
.....\.......\negcnt.c
.....\.......\sort.asm
.....\.......\sort.c
.....\.......\sort.hex
.....\.......\sort.ihx
.....\.......\sort.lst
.....\.......\sort.map
.....\.......\sort.mem
.....\.......\sort.rel
.....\.......\sort.rst
.....\.......\sort.sym
.....\.......\sqroot.asm
.....\.......\sqroot.c
.....\.......\sqroot.hex
.....\.......\sqroot.ihx
.....\.......\sqroot.lst
.....\.......\sqroot.map
.....\.......\sqroot.mem
.....\.......\sqroot.rel
.....\.......\sqroot.rst
.....\.......\sqroot.sym
.....\.......\srecord
.....\.......\.......\srec_cat.exe
.....\.......\.......\srec_cmp.exe
.....\.......\.......\srec_info.exe
.....\.......\t8051.asm
.....\.......\t8051.c
.....\.......\t8051.hex
.....\.......\t8051.ihx
.....\.......\t8051.lst
.....\.......\t8051.map
.....\.......\t8051.mem
.....\.......\t8051.rel
.....\.......\t8051.rst
.....\.......\t8051.sym
.....\.......\testall.c
.....\.......\xram.c
.....\doc
.....\...\8051inst_poster.pdf
.....\...\p8051_dalton
.....\...\............\Intel 8051 Model.htm
.....\...\............\Intel 8051 Model_files

.....\...\............\src32.tgz
.....\...\............\Synthesizeable VHDL Model of 8051.htm
.....\...\............\Synthesizeable VHDL Model of 8051_files

.....\...\............\.......................................\counter.htm
.....\...\sdcc-doc-20080830-5222
.....\...\......................\doc
.....\...\......................\...\as
.....\...\......................\...\..\abstra.doc
.....\...\......................\...\..\appendk.txt
.....\...\......................\...\..\asmlnk.doc
.....\...\......................\...\..\asxhtm.html
.....\...\......................\...\..\format.txt
.....\...\......................\...\..\README
.....\...\......................\...\avr
.....\...\......................\...\...\avr_design.txt
.....\...\......................\...\builtins.txt
.....\...\......................\...\cdbfileformat.html
.....\...\......................\...\..................\cdbfileformat.css
.....\...\......................\...\..................\cdbfileformat.html
.....\...\......................\...\..................\index.html
.....\...\......................\...\..................\nx_grp_g.png
.....\...\......................\...\..................\prev_g.png
.....\...\......................\...\..................\up_g.png
.....\...\......................\...\cdbfileformat.pdf
.....\...\......................\...\cdbfileformat.txt
.....\...\......................\...\ChangeLog.txt
.....\...\......................\...\choices.txt
.....\...\......................\...\INSTALL.txt
.....\...\......................\...\knownbugs.html
.....\...\......................\...\libdoc.txt
.....\...\......................\...\macro-sys-design.txt
.....\...\......................\...\random-notes.txt
.....\...\......................\...\README.txt
.....\...\......................\...\sdccman.html

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