Thomas Harte
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c83b3cefbc
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Eliminates the generalised special case selectors and ROM suppliers from the CPC, Vic-20, Electron and ZX80/81.
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2017-11-24 17:55:28 -05:00 |
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Thomas Harte
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ddcdd07dd0
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Modifies the Vic-20 and C1540 to bring them into the realm of self-ROM fetching.
Hence enables Vic-20 support within kiosk mode as currently drafted.
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2017-11-07 21:19:51 -05:00 |
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Thomas Harte
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9e0907ee76
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Completes clean-up of post-formalisation per-machine keyboard code.
At least for now. Standardising on how column + row is encoded might be helpful.
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2017-10-21 10:52:35 -04:00 |
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Thomas Harte
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75208b0762
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Moves the Electron implementation behind a more opaque interface, in line with changes elsewhere.
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2017-08-16 15:33:40 -04:00 |
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Thomas Harte
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903a17ae11
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Corrected typo and removed replication of what's already declared formally.
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2017-08-16 14:53:03 -04:00 |
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Thomas Harte
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1d8edf58dd
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Ensured that a virtual destructor is declared, so that the various automatically-generated real constructors get in on the action.
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2017-08-11 12:07:48 -04:00 |
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Thomas Harte
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caf3ac0645
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Sought: (i) to instruct the CPC that it should be a 664, not a 464, if given a disk image (at least until I have RAM paging implemented for a 6128); (ii) to support ROM selection within the CPC and allow paging in of AMSDOS.
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2017-08-05 19:20:38 -04:00 |
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Thomas Harte
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33ed27c3ad
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Minor tidiness: included missing headers, and spaced out the ROM type and key lists for readability.
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2017-08-03 12:45:42 -04:00 |
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Thomas Harte
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575b1dba75
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Formally declared the ZX80/81 and Amstrad CPC as keyboard machines in their public interface. Which means not having to repeat the meaning of set_key_state and clear_all_keys. So: a minor DRY improvement.
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2017-08-03 12:38:22 -04:00 |
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Thomas Harte
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d3bf8fa53b
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Upped the documentation.
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2017-08-02 20:37:26 -04:00 |
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Thomas Harte
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7e04d00cc1
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Fixed key values, causing the new set of keys to work, decreased quantity of output and ensured that pixels appear in modes 0 and 2.
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2017-08-01 20:39:10 -04:00 |
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Thomas Harte
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f5b278d683
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Added enough stuff to put the emulated Amstrad CPC in a state of knowing whether its '0' key is pressed.
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2017-08-01 17:31:56 -04:00 |
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Thomas Harte
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3df13cddd4
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As per my keenness for cleanliness improvements corresponding to my ever-increasing C++ ability: turned the Amstrad into something that a factory produces, allowing me completely to hide a bunch of implementation details.
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2017-07-31 22:32:04 -04:00 |
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Thomas Harte
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c2253c1e0f
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Fixed multiplier: the dot clock I've used to instantiate the CRT is the pixel clock, not the character clock.
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2017-07-31 22:17:46 -04:00 |
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Thomas Harte
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f742fd5d4a
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Made basic attempt to get something on screen: white where the display is enabled, black for the border.
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2017-07-31 22:13:20 -04:00 |
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Thomas Harte
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69b99fe127
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Transferred ownership of the CRT to the CRTC bus handler, to give it easy access.
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2017-07-31 22:04:52 -04:00 |
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Thomas Harte
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e28829bd1b
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Corrected CRTC timing, gave it someone to talk to and a means with which to talk.
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2017-07-31 20:14:46 -04:00 |
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Thomas Harte
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68ceeab610
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Created a 6845 class and started pushing data at it and clocking it. It doesn't currently have the concept of a bus but will do, hence the in-header implementation.
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2017-07-31 19:56:59 -04:00 |
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Thomas Harte
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68dca9d047
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Made a first attempt at ROM paging, with pretty much the same scheme that'll be needed for 128kb support.
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2017-07-31 19:37:28 -04:00 |
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Thomas Harte
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3c90218c3d
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With a very basic stab at something a bit like the memory map (sans paging), execution begins.
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2017-07-31 19:15:43 -04:00 |
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Thomas Harte
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afd409c883
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Ensured that ROM images are loaded and passed to the Amstrad CPC.
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2017-07-31 18:44:49 -04:00 |
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Thomas Harte
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9c04d851e4
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Added the basics necessary to get the CPU ticking over, at a nominal 4Mhz but with the wait states that I currently believe to be accurate.
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2017-07-31 07:29:50 -04:00 |
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Thomas Harte
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1d6fe11906
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Added an instance of Outputs::CRT::CRT. So progress is now: select CDT, up comes a blank window.
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2017-07-31 07:16:51 -04:00 |
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Thomas Harte
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c0f1313830
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Performed sufficient wiring to get to the point where attempting to load a CDT creates an instance of the Amstrad CPC and then fails only because the thing vends a nullptr CRT.
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2017-07-30 22:05:29 -04:00 |
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