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Advanced Monitor Tools Cassette
The Advanced Monitor Tools Cassette is HomeComp’s machine-code programming package for the expanded HC-77B.
It requires the official 3K RAM Expansion and is supplied in two environment-specific variants:
| Cassette Side | Environment |
|---|---|
| Side A | TTY Interface |
| Side B | Keyboard and Video Display Controller |
| Component | Purpose |
|---|---|
| HC Advanced Monitor | Command-driven monitor and machine-code workbench |
| HC EDIT | Compact source-text editor |
| HC ASM | Two-pass 6502 assembler |
The package gives the HC-77B a practical software-development path without changing its front-panel identity. Users still load the tools from cassette through the ROM monitor, but once loaded they gain a richer text-based environment for inspecting memory, editing source, assembling programs, and returning to the machine monitor when required.
- HC-77B
- Official 3K RAM Expansion
- TTY Interface for Side A, or Keyboard and Video Display Controller for Side B
- Cassette support
Load the selected cassette variant through the HC-77B ROM monitor, then start the loaded Advanced Monitor program at its documented load address.
The Advanced Monitor provides its own ] command prompt. Its included documentation describes the available monitor, editor, assembler, and cassette commands.