DryICE Plus 8051 Family In-Circuit Emulator

The DryICE Plus is a combination of hardware and firmware that permits pro-grams written for Intel's 8051 family of microcontrollers to be run and debugged in the emulator's artificial environment or in the user's prototype system. As a result, development time can be reduced by the early integration of hardware and software.
Software development and debug can start without having the target hardware available.
Emulation is the controlled execution of the prototype software in the prototype hardware or in an artificial hardware environment that duplicates the microcontroller of the prototype system. The DryICE Plus permits reading and writing of system memory, and control of pro-gram execution. The emulator also allows interactive debugging of the prototype software and can externally control pro-gram execution while operating in the prototype system. When the prototype system memory is not yet available, the DryICE Plus emulator's on-board memory permits software debugging.
In addition, the DryICE Plus can prove invaluable as an educational tool for learning microcontroller principles. 8051 instructions can be executed interactively and the effects are immediately apparent on the display.