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TRS-80 COLOR COMPUTER 1

6809E · MC6847 VDG · 6-bit DAC · Memory-Mapped I/O

TANDY
○ HALTPC $0000VDG: TEXTSND offRESET

6809E REGISTERS

A00
B00
DP00
X0000
Y0000
U0000
S0000
PC0000
CC········

MEMORY FILE LOADER

Upload any file(s), any extension. Set a hex address for each, then Load.

Drop files here or
Suggested: bas11.rom → $A000 · extbas11.rom → $8000 · disk11.rom → $C000

No files loaded yet.

📼 CASSETTE (SEPARATE)

Cassette is independent from memory files. Feeds $FF20 bit0; motor via $FF21 bit3.

MEMORY INSPECTOR

$

I/O MAP

$FF00–03PIA0 Keyboard/Joy
$FF20–23PIA1 VDG/Cass/DAC
$FF40–4BDisk Controller
$FFC0–DFSAM Registers
$FFFE–FFReset Vector