01 / PROGRAM
Assembly Code Editor
Not executing
8085 ASM
01 / DATA PATH
Ready to execute
Data movement inside the CPU
Program memoryInstructions & data
ProcessorControl unit · ALU
RegistersA: 00 · HL: 0000
Data memory64 KB
StackGrows toward lower addresses
I/O ports256 ports
The CPU fetches an instruction and determines its data path.Press Step to watch each data-bus transfer.
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05 / PROGRAM
Not assembledConsole · Instruction listing
Execution output and instruction bytes appear here after assembly.
06 / STACK
SP: FFFF