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mirror of https://github.com/UzixLS/zx-sizif-xxs.git synced 2025-07-18 23:01:40 +03:00

88 Commits

Author SHA1 Message Date
64a4bb69c0 add auto cpu frequency
When this feature enabled:
* Frequency sets to 14MHz on esxdos activity - for fastest loading from
sd card;
* Frequency sets to 14MHz on 48 BASIC startup;
* Frequency sets to 3.5MHz within ~1ms after #FE port access - this
allows to load from tape within turbo mode. Also this improves beeper
sound effects;
* Otherwise user configured frequency is used.
2024-01-10 15:39:07 +03:00
df7f0e55e6 fix basic 128 crashes when divmmc is enabled 2024-01-10 15:35:41 +03:00
c8d83ac5c1 refactor memory controller
Also this commit fixes ula+ io contention for classic timings. This
affects ham256.tap.
2024-01-08 20:15:34 +03:00
c69b7c8ba4 improve 128 int timings 2024-01-07 17:51:02 +03:00
76b4d4d838 add option to disable sd indication on border 2024-01-07 17:47:20 +03:00
a942f43c5a refactor mixer - optimize fpga resources usage 2024-01-06 18:30:42 +03:00
2b263995cc implement ula+ registers reading 2024-01-05 20:32:36 +03:00
34a98edc64 allow nmi call when divmmc's mapram in use 2024-01-04 11:54:04 +03:00
948f4190f3 refactor: rename screen->video, memcontrol->mem, cpucontrol->cpu
no functional changes
2024-01-03 19:05:12 +03:00
48ad108e9c fix support of some ps/2 keyboards with slow clock 2023-10-26 21:01:47 +03:00
671a748207 add fpga firmware file in bin format 2023-03-24 21:58:05 +03:00
993c336507 improve compatibility with slower sram chips 2022-10-31 21:49:02 +03:00
1189d41266 change ps/2 keyboard mapping
* pause has been moved from F12 to F1
* reboot has been assigned to F10 and F12 (but still present on
Ctrl-Alt-Del / Ctrl-Alt-Backspace)
2022-10-30 20:56:54 +03:00
cf2671b9ad fix ps/2 sticking keys 2022-10-30 20:55:26 +03:00
ed67f19417 add specdrum 2022-08-20 11:09:49 +03:00
568f590171 fix random garbage on screen (again)
I hope I've found and fixed root cause of issue in this commit.
2022-08-20 11:09:49 +03:00
3a086ac5e5 improve turbo modes reliability 2022-08-20 11:09:48 +03:00
7fcc013035 fix allram mode (broken in d4e706b) 2022-08-15 11:24:46 +03:00
c4b3ef2ae9 add pcb zero rev.A 2022-07-01 21:36:17 +03:00
d4e706bc81 fix random garbage on screen 2022-06-27 22:27:36 +03:00
d4bc91dcc0 make dark colors a bit darker 2022-06-26 20:21:38 +03:00
572f344c33 fix #1ffd +3 port 2022-06-26 19:53:51 +03:00
b59952695d fix fpga makefile report target 2022-06-26 19:51:37 +03:00
6dbc183078 fix kempston port decoding - add DF port for some rare games 2022-06-26 19:47:57 +03:00
fd4794a9e7 add pcb rev.B 2022-02-19 20:10:56 +03:00
664492d8f8 fix io contention 2022-02-02 20:34:51 +03:00
35d1864d14 fix unintended snow in 4.4MHz mode 2022-02-02 20:34:30 +03:00
56bd06bd9b increase colors saturation 2022-02-02 20:30:51 +03:00
03454b00fe fix ulaplus ghost image on border 2022-02-01 22:08:09 +03:00
72a13f6dfc add 48K rom 2022-02-01 21:46:43 +03:00
54fd908457 fix compatibility with some old ps/2 keyboards 2022-02-01 18:54:46 +03:00
456cb97fac add support for ZC SD card controller; replace NO-OS divmmc mode with ZC 2022-02-01 18:54:46 +03:00
d6a31c0502 magic rom: refactor 2022-02-01 18:54:46 +03:00
a371e5ec4c magic: add ay_en 2022-02-01 18:54:45 +03:00
cd13ac4a2d fix io contention 2022-02-01 18:54:45 +03:00
391a0b32bf fpga: some minor refactors 2022-02-01 18:54:45 +03:00
8af0274e87 fix border size in 128K timings 2022-02-01 18:54:45 +03:00
52bf3711e0 fix #1ffd port decoding 2022-02-01 18:54:45 +03:00
46f56755df update Makefile: add new targets (pipeline, pipeline_sof); tiny refactor 2022-01-29 10:23:20 +03:00
742a360875 testbench: hide useless warnings 2021-11-18 20:42:01 +03:00
93bf6fc638 [minor] refactor fpga project 2021-11-18 20:38:14 +03:00
e33bd97a7e replace composite video output implementation
New one is borrowed from Speccy 2010 project. It's have a much, much
better output quality in price of increased FPGA resources usage.
2021-11-15 22:57:36 +03:00
f30d6faa6d replace ym2149 implementation
new implementation uses less LE's
2021-11-15 22:38:03 +03:00
fe1ec884ee mixer: don't switch ABC-ACB panning for second ay in turbosound
turbosound assume only ABC panning
2021-11-14 21:20:51 +03:00
431b45729d mixer: fix abc/acb panning 2021-11-14 21:19:26 +03:00
b9d24c353e fix tape out 2021-11-14 21:15:40 +03:00
0e572d9d69 merge latest changes from sizif-512
* add 4.4 MHz and 5.2 MHz turbo modes
* handle magic key press if initialization wasn't completed before
* replace 'timings', 'ram', 'plus3' settings with one 'machine' setting
* refactor memory controller
* significantly improve classic timings
* magic rom: fix 'h' font character
* fix hanging of esxdos browser after magic key double press
* enable divmmc (esxdos OS) by magic rom on poweron; add NO-OS option
* improve pause ('f12' on ps/2 keyboard or 'start' on gamepad)
* magic rom: handle C-key on sega gamepad as exit
2021-09-21 20:00:23 +03:00
83081238ed add tape output on sd_mosi pin 2021-07-01 20:19:03 +03:00
0bae7d619c fix palette 2021-07-01 20:18:38 +03:00
3361b41ca5 magic: add covox/soundrive and ulaplus configuration 2021-06-29 12:07:15 +03:00