hits since 2020-09-20.
I have Version 4.0.0 written by Tony Eva in 1984.
6809 Microsystem System Software Version 4, Release date 6 April 1984, Author J. A. Eva and binary.
| Key | Command | Syntax | Description |
|---|---|---|---|
| B | Boot from disk | B | Load track 0 sector 1 to $C000 and jump to it |
| C | Copy block of memory | C(start),(end),(dest) | |
| D | Display memory | D(start),(end) | |
| F | Fill / clear memory | F(start),(end)[,(value)] | value optional, use 0 otherwise |
| G | Go from address | G[addr] | addr optional, use PC otherwise |
| M | Memory examine / change | M(addr) | |
| Q | Quick test memory | Q(start),(end) | |
| R | Register examine / change | R(register) | |
| S | Subroutine call | S(addr) | addr optional, use PC otherwise |
| T | Trap set / clear / display |
T - display all traps T(n) - clear trap n T(n),(addr) - set trap at addr | Eight traps max(?) |
| X | Jump to FLEX warm start | X | LBRA $D0C0 |
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