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Deluxe Color Computer: Difference between revisions
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| 7|| Enable cartridge select: 1 internal / 0 external | | 7|| Enable cartridge select: 1 internal / 0 external | ||
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<gallery> | |||
Deluxe_Option_Register_Description.jpg|Option Register | |||
</gallery> | |||
* $FF38 AY-3-8910 Data register | * $FF38 AY-3-8910 Data register | ||
* $FF39 AY-3-8910 Control Register Latch | * $FF39 AY-3-8910 Control Register Latch | ||
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* [[Advanced Color BASIC Documentation]] | * [[Advanced Color BASIC Documentation]] | ||
[https://www.pagetable.com/?p=43 Bill Gates' Easter Egg] exists in the Advanced Color BASIC as well from BF67 to BF70 | |||
== Pictures == | |||
<gallery> | |||
DeluxeCoCoMotherboard.jpg|Main board | |||
Deluxe_coco_daughter_card_front.jpg|Front of daughter card | |||
deluxe_coco_daughter_card_back.jpg|Back of daughter card | |||
</gallery> | |||
Latest revision as of 20:39, 2 March 2024
Deluxe Color Computer
Pre-Production Boards
Three pre-production (PP) boards for the canceled Deluxe Color Computer exist:
- Boisy Pitre has gathered two of the Deluxe pre-production boards, one from John Prickett and one from Greg Zumwalt which did not have Advanced or Deluxe ROMs.
- Brian Weiseler has Robert Kilgus' Deluxe with Advanced Color BASIC 00.00.07 ROMs intact
Hardware
The Deluxe Color Computer upgrades the Color Computer 2 to include new hardware and software features
- Motorola 6847 T1 Video Display Generator (VDG) with true lowercase and lowercase descender characters
- General Instruments AY-3-8913 Programmable Sound Generator the same as Speech/Sound Cartridge (26-3144A), Symphony-12, Philharmonic-12, or CoCo PSG
- American Megatrends (AMI) S6551P Asynchronous Communication Interface Adapter (ACIA) the same as used in the Deluxe RS232 Pak
- Additional circuitry for 60Hz timer interrupts
- Additional color burst control
- Additional address decoding to make the PSG and S6551 into the CoCo memory map
Memory Map
- $FF00 - $FF1F - PIA 0
- $FF20 - $FF2F - PIA 1
- $FF30 - Option Control Register
| Bit Position | Function |
|---|---|
| 0 | A14 |
| 1 | A15 |
| 2 | Enable above for RAM range: $4000-$7FFF |
| 3 | Alternate color set (blue / green alpha display) |
| 4 | N/A |
| 5 | N/A |
| 6 | Enable 60Hz interrupt |
| 7 | Enable cartridge select: 1 internal / 0 external |
-
Option Register
- $FF38 AY-3-8910 Data register
- $FF39 AY-3-8910 Control Register Latch
- $FF3C SY6551 Transmit / Receive Register
- $FF3D SY6551 Read status registers
- $FF3E SY6551 Command register
- $FF3F SY6551 Control Register
Software
The Deluxe Color Computer contains an upgraded Color BASIC which merges Color BASIC, Extended Color BASIC, and Disk Extended Color BASIC into a single 32K Advanced Color BASIC ROM image.
Advanced Color BASIC includes a number of new features as well:
Bill Gates' Easter Egg exists in the Advanced Color BASIC as well from BF67 to BF70
Pictures
-
Main board
-
Front of daughter card
-
Back of daughter card
