ucsim fork with STC12C5A60S2, STC15F2K60S2, STC89C52RC, STC15W408AS models (SFR set, 1T timers, ADC, PCA, port modes etc)
emulator simulator 8051 stc15 stc-mcu stc15w408as stc89c52rc 8052 stc89c52 stc12 stc15f2k60s2 8051-microcontroller
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Updated
Aug 20, 2026 - C++