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author Miodrag Milanović <mmicko@gmail.com>2017-02-05 13:08:41 +0100
committer GitHub <noreply@github.com>2017-02-05 13:08:41 +0100
commit4ca104b092b133fb7a24c17d75f0241111fecf14 (patch)
tree7c4eb9011135843c6f0d02f30b4e30340fe22e53 /3rdparty/genie/src/tools/gcc.lua
parent39370345d6a6f5bae5844da024af42196243f1c4 (diff)
parentc84e37455686e9a32e4d7a7483dc37e328bee749 (diff)
Merge pull request #2030 from mgarlanger/basic_heathkit_updates
- h19 [Mark Garlanger] - Added comments about the memory and port layout from the manual. - Fixed the frequency of the beep/keyclick: 2kHz -> 1 kHz - Fixed the duration of the keyclick: 4 mSec -> 6 mSec - Fixed the screen size: 200 pixels high -> 250 pixels high - The code appears to ignore it, and goes by what is programmed in the mc6845, which is wrong, on a real H19, the screen size/character size does not change when the 25th line is enabled/disabled. Only an extra line is shown on the screen. The emulated h19, should always have space for 25 line, whether or not the 25th is enabled. - Separated the alternative ROMs into separate machines. -h89.cpp [Mark Garlanger] - Fixed the memory map. - Added the disk controller RAM to the lower memory - Added comment about banked-switched ROM/RAM (Org-0). - Fixed port addresses and added more comments to them. - Many are still commented out, but the addresses are all valid now. - Added SW501 switch definitions for the early ROMs. - These are commented out, not show the right way to represent multiple definitions.
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