Emulator of the ancient 8 bit microprocessor SC/MP 2
Emulator of the ancient 8 bit microprocessor ISP-8A 500D/600D or more common "SC/MP" from National Semiconductor.
The download contains all sources plus an executable Java Jar file to start right away. Some SC/MP hex dump examples are provided in directory "/etc" as well.
The download also contains unit tests and some helping documentation (also in /etc).
You may slow down the CPU operations, displaying the CPUs status register as LEDs, to watch the CPU working with its registers.
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A microprocessor simulator for unit testing assembly code in embedded systems. Written in pure Java, it works with JUnit on any platform Java supports. Micros include 6502, 6800, 8051, Z80, and others.
GNUDE is a complete suite of GNU C, C++, Fortran, and Java Cross Compilers, and the GDB CPU Simulator and Debugger for embedded microprocessor applications development. Targets development for ARM7, ARM9, and XScale applications.