What's new in the world of the RCA Studio II
8-November-2000:
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Added the final cartridge design and prototype software. Primitive, but
it works.
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The prototype cartridge reader is under construction. Added some information
about cartridges.
1-November-2000:
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Added Blackjack, Tennis/Squash, Baseball, Space War and Speedway/Tag. The
first real Studio II Cartridges.
11-October-2000:
26-September-2000:
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Updated WinStem very slightly, fixed the menu (thanks LKS :)) and added
an option to reload the built in game which I noticed wasn't possible
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Reversed the diodes on the Hardware design ; the column select line is
pulled low via the address bus.
23-September-2000:
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The logic chips in the cartridge are now the correct type (74HCTxxx)
22-September-2000:
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Yet another design of the Hardware rebuild. Probably the final one !
21-September-2000:
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Revised the Hardware version of the emulator
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Added a Cartridge Design.
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Added the "What's coming" page
19-September-2000:
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Added the first design of the RCA Studio II in Hardware
18-September-2000:
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Added proposed design for cartridge dumper for IBM PC
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Small change to all the emulators so RAM only between $800 and $9FF
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Changed memory mapping in technical information
17-September-2000:
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Added more technical information about RAM Chip decoding
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Added the Windows version of Stem, modified to run the new cartridge format.
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Updated the Stem sources (C for DOS Text/DOS Graphics and Windows 16-bit)
16-September-2000:
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Added the "MCart" program and source, for building the new cartridge format.
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Updated the Assembly emulator to run the new cartridge format files.
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Updated the 'C' emulators to run the new cartridge format files.
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Added later versions of Space Invaders and Hockey in the new Cartridge
format
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Added the descriptor of the Cartridge format
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Added Beta versions of Space Invaders and the new Pong game
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Added screenshots of "Pong" to the screenshots page
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Added a proposed format for cartridge dumping.
11-September-2000:
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Split off the links page
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Added Jack Spencer's FAQ, HTMLised
9-September-2000:
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Added some new screenshots
6-September-2000:
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Uploaded the Windows Port of the 'C' Stem emulator.
3-September-2000
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Added Datasheets for the CMOS Logic and NE555
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Added an edited version of the Elf article describing Pixie Graphics (CDP1861)
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Added scans of the original manuals.
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Minor changes to Assembly STEM to support program development.
2-September-2000:
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Changed the picture to StemPic (courtesy ClassicGaming)
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Added Datasheets for the 1802 (CPU),1831 (ROM), 1822 (RAM)
22-August-2000:
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Completed the RCA Studio 2 Macro Language Definition.
21-August-2000:
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Added the "what's new ?" page
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Added more information on the CDP1831 ROM Chips courtesy of Frank Palozzolo
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Added more information on the function of the control pins in the logic
decoding area.
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Minor improvements to the STEM emulator in the display emulating area.
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Added some details on the sound circuitry.
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The old emulator is now the debugging emulator
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Added the 'C' version of the Studio II Emulator
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Added the Source code for the 'C' version of the Studio II emulator.
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Changed to support the peculiar Studio II sound generation
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Added STEM.INI file so can be customised
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