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cexpert: update notes
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@ -9,6 +9,7 @@ The u3 ROM contains the following message (it's David Kittinger's company):
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Copyright (c) 1985, Intelligent Heuristic Programming, Inc
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Copyright (c) 1985, Intelligent Heuristic Programming, Inc
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Hardware notes:
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Hardware notes:
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- PCB label: 100045
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- R65C02P4 @ 5MHz (10MHz XTAL)
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- R65C02P4 @ 5MHz (10MHz XTAL)
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- 2*2KB RAM(NEC D449C-3), 2*32KB ROM
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- 2*2KB RAM(NEC D449C-3), 2*32KB ROM
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- 64+8 leds, magnet sensors chessboard
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- 64+8 leds, magnet sensors chessboard
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@ -16,8 +17,10 @@ Hardware notes:
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I/O is again similar to supercon
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I/O is again similar to supercon
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The first version was on a modified Super Constellation PCB. 4MHz CPU speed,
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The 1st version had a R65C02P3 @ 4MHz (8MHz XTAL). IRQ and beeper via the XTAL
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and 4 TMM27128 with identical ROM contents as the newer version.
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instead of 555 timer, but nearly the same frequency. The 4MHz version was also
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seen on a modified Super Constellation PCB, with 4 TMM27128 and identical ROM
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contents as the newer version.
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*******************************************************************************/
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*******************************************************************************/
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