Commit Graph

63 Commits

Author SHA1 Message Date
saxxonpike 03087a88eb Commodore64: Split the Vic code into a number of files. More time spent coding, less time spent looking for things. 2013-08-17 20:51:09 +00:00
saxxonpike 14a2952faf Commodore64: Whoops. Forgot to disable debug borders. 2013-08-17 10:52:45 +00:00
saxxonpike a3b1fb3c36 Commodore64: Interrupt and timer chip tweaks. 2013-08-17 10:46:27 +00:00
saxxonpike 60db7b9fe6 Commodore64: Marginal speedup from converting the rest of the uints to int. No noticeable accuracy difference. 2013-08-17 06:51:55 +00:00
saxxonpike 459368dd5b 6502: added RDY pin, required for C64 and possibly others 2013-08-15 06:08:21 +00:00
saxxonpike af9bbd9ae4 Commodore64: Tweak Joystick 2 input. 2013-08-14 13:53:48 +00:00
saxxonpike 0a54f95b4f Commodore64: Removed a lot of functions in the motherboard glue to simplify things. 2013-08-14 05:33:10 +00:00
saxxonpike 5c37b64eec Commodore64: Removed a lot of unnecessary function chains and converted unsigned types to int. 2013-08-14 05:05:17 +00:00
saxxonpike ef3be8db9a Commodore64: More direct access to pins on Cartport, CIA and VIC. 2013-08-13 20:16:41 +00:00
saxxonpike 585223a814 Commodore64: Setting all 6510 pins to input-only now gives the proper value. 2013-08-13 19:52:03 +00:00
saxxonpike 9c8124bfd1 Commodore64: Added short circuits in PLA chip select for improved performance 2013-08-13 19:00:11 +00:00
saxxonpike e075982a00 Commodore64: Rewrote cassette, serial, 6522, 6526 and 6510 port code. 2013-08-13 12:23:32 +00:00
saxxonpike a061e898a6 Commodore64: don't use color-ram selector pin on PLA, marginal performance gain 2013-08-13 01:55:39 +00:00
saxxonpike 481e915aff Commodore64: Move I/O port init into HardReset and fix default direction bits. 2013-08-12 07:00:31 +00:00
saxxonpike 842ead8c7e Commodore64: Fully implement the interaction between Cpu, Vic and PLA on BA/AEC lines. 2013-08-12 05:04:50 +00:00
saxxonpike c02f79e99c Commodore64: Rewrote PLA to fix chip select problems. 2013-08-11 02:46:27 +00:00
saxxonpike 75f279a30b Commodore64: Writing to expansion memory space while banked in does not write through to underlying RAM. 2013-08-09 05:33:40 +00:00
saxxonpike 8695ce07a4 Commodore64: Disable disk emulation (for now.) 2013-08-09 04:15:33 +00:00
saxxonpike f504a9a4de Commodore 64: outputs set to read-only on the 6510 IO port are always high 2013-08-09 03:14:11 +00:00
adelikat be2937fdec Code refactoring of Tools files - no functional changes other than some very tiny speedups and null checks 2013-04-14 23:56:45 +00:00
adelikat cff1ff2940 Removing unused directives from a bunch of files because I was playing around with resharper, but that got boring so not every file 2013-04-14 20:39:19 +00:00
saxxonpike 31fba1ec2b commodore64: change from uint to int, seems to speed things up a little with no side effects 2012-12-11 06:27:00 +00:00
saxxonpike 5a8ce4000b commodore64: clean up unneeded files since the Sid is hooked up to the Speex resampler now 2012-12-10 22:51:02 +00:00
goyuken 1b83110a37 C64: connect audio to speexresampler. consider this commit a demonstration on "how it could be done"... 2012-12-08 16:05:00 +00:00
saxxonpike 1d3ff8524a commodore64: slight tweak 2012-12-07 21:02:02 +00:00
saxxonpike 245ce3d72f commodore64: fix up some timer chip routines, and directional dataport should be more accurate 2012-12-07 21:01:22 +00:00
saxxonpike e4ff87e92a commodore64: implement more c64-disk communications, hook up drive LED 2012-12-07 17:06:07 +00:00
saxxonpike 38adb50a10 commodore64: via6522 - implement more registers 2012-12-07 11:45:50 +00:00
saxxonpike 28d0328a54 commodore64: work on 1541 VIA timer chips 2012-12-07 06:20:20 +00:00
saxxonpike e3082b206b commodore64: connect the 1541 disk drive to the system, memory domains also available 2012-12-07 05:24:00 +00:00
saxxonpike 526ad358d1 commodore64: disk and tape framework added 2012-12-06 06:53:55 +00:00
saxxonpike e1ff14e475 commodore64: change directory structure a little, rename namespaces for consistency 2012-12-06 06:25:30 +00:00
saxxonpike e449ab34fd commodore64: implement Serial and Datassette interfaces (there are no devices to connect them to yet) 2012-12-06 04:29:08 +00:00
saxxonpike c64951fce8 commodore64: implement motherboard configuration, add sprite-sprite and sprite-data collision interrupts to VIC 2012-12-05 21:07:51 +00:00
saxxonpike e60f308af0 commodore64: savestate support for all chips + cartridge 2012-12-03 08:38:12 +00:00
saxxonpike bb3061baf8 commodore64: SyncState for MOS 6526 2012-12-03 07:43:11 +00:00
saxxonpike 0191b1e507 commodore64: slightly better sound sampling routine for non-sync provider, placeholder until I can get the resampler to work 2012-12-03 06:47:14 +00:00
saxxonpike be37d1dc53 commodore64: crop screen, fix sound pulsewidth register writing (it was being processed as 16 bits instead of 12) 2012-12-03 06:08:12 +00:00
saxxonpike 58db36e311 commodore64: connect sound 2012-12-03 04:19:45 +00:00
saxxonpike 5fcf41ebbc commodore64: add sprites (no collision or priority yet) 2012-12-02 23:57:10 +00:00
saxxonpike 0907de61cc commodore64: fixed sprite DMA delay timing, should make very time-sensitive intros run better and some games as well 2012-12-02 22:15:08 +00:00
saxxonpike 046e3244ce commodore64: fix 6510 IO port input pin values 2012-12-02 15:10:37 +00:00
saxxonpike d734d0f44f commodore64: 6510 hard reset now loads startup vector AFTER banks are initialized, more carts start up now 2012-12-01 10:42:46 +00:00
saxxonpike d951094e6d commodore64: Add 6526 2-cycle timer delay, seems to pass more tests now. CPU Dataport inputs on lower 3 bits are always high now, may fix some paging issues. Fix joystick input so that only port A is affected on pure outputs. 2012-12-01 08:40:08 +00:00
saxxonpike 08c83a16fd commodore64: joystick input now works 100% accurately (tested with ciaports.prg from the VICE test suite) 2012-12-01 00:02:24 +00:00
saxxonpike 3049098afb commodore64: connect IRQ and NMI lines to cartridge port (no games seem to use them but it is in the schematic) 2012-11-30 23:20:35 +00:00
saxxonpike ae8566a0df commodore64: made some input changes (more fixes to come later), removed some duplication in pin information between PLA, CPU and cartridge port 2012-11-30 21:12:23 +00:00
saxxonpike 5069b24b2e commodore64: work begins on sound engine 2012-11-30 06:41:02 +00:00
saxxonpike c1f9a131d5 commodore64: add mapper 000B (some educational titles) and mapper 0011 (a couple obscure games), increase PLA memory map efficiency 2012-11-29 20:15:02 +00:00
saxxonpike e4c760be83 commodore64: fixed Ultimax E000 mapping, updated mapper 0000, added EzFlash mapper 0020 (no official games use this but a lot of disk-to-cart and homebrew do) 2012-11-29 17:58:35 +00:00