Emu6502 - Aim65(Siemens), PC100(Rockwell) Emulator

CPU Behavior

• 6502 instruction set support

• (Note: Decimal mode not implemented yet)

• There is some issue with recognizing the # character. It happened after converting it to html5 with emscripten. Try different keys like the hyphen -.

• There is some issue when the window focus changes that no keys are recognized anymore...

Memory Map

• Full AIM-65 bus layout including RAM and monitor ROMs

• Dedicated editable “playground” from 0x1000–0x8FFF

• Integrated display, keyboard, monitor RAM and I/O regions
  (All mapped just like the original hardware!)

Playground Management

• Save & load your work

• Instantly wipe visible memory

• Scroll memory address space in flexible increments

Controls Overview

Emulator Keys

• F4 — Save playground (Play_0x1000-8FFF.bin)

• F5 — Load playground

• F6 — Clear displayed playground memory

• F11 — Reset system

• F12— Help

• Arrow Left / Right — Move memory offset ±0x80

• Ctrl + Arrow Keys — Move memory offset ±0x1000

Monitor Commands

• ESC — Return to monitor prompt

• * — Set memory pointer

• / — Modify memory

• SPACE — View 4 bytes

• M — View memory at given address

• G — Execute from pointer

• I — Assembler

• K — Disassembler

• 5 — BASIC interpreter

• E — Initialize text editor (writes memory!)

• T — Re-open editor (preserves memory)

Memory Map

0000–00FF  : RAM Page 0

0100–0FFF  : RAM Pages 1–15

1000–9FFF  : Playground (editable user region)

A800–A800  : TTY DRB

A801–A80F  : Monitor TTY PTR Recorder

A400–A47F  : Monitor RAM

A480–A497  : AIM-65 Keyboard

AC00–AC43  : AIM-65 Display

B000–BFFF  : R3226.BIN

C000–CFFF  : R3225.BIN

D000–DFFF  : Free Memory

E000–EFFF  : Monitor ROM

F000–FFFF  : Monitor ROM