🖥️ CoCo 1 Emulator — TRS-80 Color Computer

Motorola 6809E CPU • MC6847 VDG • SAM Chip • 6-bit DAC Sound

POWER

TRS-80 COLOR COMPUTER

CLOCK:0.90 MHz

SAM CHIP — MEMORY MAP TYPE

ROM

$FFDE

BASIC Mode (ROM mapped)

📁 LOAD CARTRIDGE (PROGRAM PAK)

Load binary to $C000–$FEFF (Cartridge ROM space, max ~16KB)

📁 LOAD COLOR BASIC ROM

Load binary to $A000–$BFFF (8KB)

📁 LOAD EXT COLOR BASIC ROM

Load binary to $8000–$9FFF (8KB)

6809E CPU REGISTERS

A$00

B$00

D$0000

DP$00

X$0000

Y$0000

U$0000

S$0000

PC$0000

CC:EFHINZVC

MEMORY MAP (ROM)

$0000–

System RAM

$0400–$05FF

Video RAM

$0600–$7FFF

User RAM

$8000–$9FFF

Ext Color BASIC ROM

$A000–$BFFF

Color BASIC ROM

$C000–$FEFF

Cartridge ROM

$FF00–$FFDF

I/O (PIA/SAM)

$FFE0–$FFFF

Vectors

The I/O hole at $FF00–$FFFF is always hardware-mapped.

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 ................

☣ MEMORY CORRUPTION

AMT10

6-BIT DAC ($FF20)

VOL

STOPPEDBASIC MODE (ROM)Instr: 0Cycles: 0FPS: 0Clock: 0.90 MHz