🖥️ CoCo Emulator — TRS-80 Color Computer

Motorola 6809E CPU • MC6847 VDG with Screen Borders • 6-bit DAC Sound • Cassette I/O • Authentic Keyboard Matrix

POWER

TRS-80 COLOR COMPUTER

VDG: 320×240 (256×192 + borders)MC6847

CLOCK:0.90 MHz

📁 LOAD CARTRIDGE ROM

Load binary to $A000–$BFFF (any file, max 8KB)

📼 CASSETTE DECKNO TAPE

000

📼 INSERT CASSETTE

SPEED:

AUTO-PLAY ON🔊 TAPE AUDIO OFF

6809E CPU REGISTERS

A$00

B$00

D$0000

DP$00

X$0000

Y$0000

U$0000

S$0000

PC$0000

CC:EFHINZVC

PIA0 REGISTERS (KEYBOARD)

$FF00 Port A:$00 (00000000)
$FF02 Port B:$FF (11111111)

Row select: active-LOW on $FF02
Column read: active-LOW on $FF00

MEMORY MAP ($0000–$FFFF)

$0000

System RAM

$0400

Video RAM

$0600

User RAM

$8000

Ext BASIC

$A000

Cart ROM

$C000

BASIC ROM

$FF00

I/O

$FFF0

Vectors

MEMORY INSPECTOR

0400: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 ................

0410: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 ................

0420: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 ................

0430: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 ................

0440: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 ................

0450: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 ................

0460: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 ................

0470: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 ................

6-BIT DAC ($FF20)

VOL

STOPPEDInst: 0Cycles: 0FPS: 00.90 MHz📼 NO TAPE