Apple-1-HW/verilog-apple-one
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132 Commits

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Author SHA1 Message Date
Niels Moseley
dd2c480675 Fixed reg/wire problems for Quartus. 2018-02-07 17:12:27 +01:00
Niels Moseley
3ae84f6bc0 Merge branch 'master' of https://github.com/alangarf/apple-one 2018-02-07 17:05:24 +01:00
Niels Moseley
2ae6d8a867 DE0 2018-02-07 17:04:40 +01:00
Alan Garfield
9371303789 Fixed minor verilator complaint 2018-02-08 01:06:35 +11:00
Alan Garfield
fdc93fb0d2 Hardware scrolling seems to be working! 2018-02-08 00:40:43 +11:00
Niels Moseley
c1942d5d14 new VGA 2018-02-05 14:43:46 +01:00
Alan Garfield
1f4fe41a97
Merge pull request #9 from alangarf/vga_pipeline 
Pipelined VGA module
 2018-02-06 00:38:05 +11:00
Alan Garfield
6f7812f51d Added defines to choose display mode of fonts 2018-02-06 00:35:30 +11:00
Alan Garfield
25aff9cdc3 VGA module works. Still no hardware scrolling though 2018-02-06 00:29:56 +11:00
Alan Garfield
7b3c65b8d9 Fixed issue with yosys compile 2018-02-05 00:24:12 +11:00
Alan Garfield
20919fa726 wip of the pipeline VGA module. stupid yosys bug, but testbench looks ok 2018-02-05 00:12:06 +11:00
Alan Garfield
2432225d01 Initial VGA working with the apple one output. YAY! 2018-01-31 00:48:47 +11:00
Alan Garfield
451bff1592 fiddled the vga module a little 2018-01-30 00:19:21 +11:00
Alan Garfield
4fef9bc10b Initial VGA module, still WIP, just outputs fixed VRAM 2018-01-29 22:53:16 +11:00
Alan Garfield
400cdd75d0 added missing vga roms 2018-01-29 22:36:28 +11:00
Alan Garfield
b2ebc23e3a added license headers and tidied up 2018-01-29 22:15:21 +11:00
Alan Garfield
119d077e1a Fixed differences for iceube2 and yosys 2018-01-29 21:36:32 +11:00
Alan Garfield
474cabbab0 Made core neater and trying to get naming better 2018-01-29 21:00:38 +11:00
Alan Garfield
2717184e71 Added yosys support again, yay for FOSS! 2018-01-29 17:45:01 +11:00
Niels Moseley
586b006e88 PS/2 keyboard seems to be working including the shift key. It needs debouncing, however 2018-01-29 00:39:24 +01:00
Niels Moseley
5c87a46445 Added ps/2 shift key support 2018-01-28 23:56:02 +01:00
Niels Moseley
25f08eeb1d PS/2 keyboard now has ASCII translation, but shift isn't working yet 2018-01-28 23:41:27 +01:00
Niels Moseley
fe05766894 Fixed address lines of Basic ROM 2018-01-28 20:18:56 +01:00
Alan Garfield
1cea5d878f updated gitignore to ignore testbench files and vcds 2018-01-28 15:07:05 +11:00
Alan Garfield
69f1b53e18 added basic rom and fix uart issue on HX 2018-01-28 15:02:51 +11:00
Alan Garfield
164cb06992 added ledx output pins 2018-01-28 13:09:34 +11:00
Alan Garfield
374b440d0f
Create CONTRIBUTING.md 2018-01-28 12:48:43 +11:00
Alan Garfield
f4d63d09eb
Create CODE_OF_CONDUCT.md 2018-01-28 12:46:48 +11:00
Niels Moseley
d280d2abaa Added basic ps2 keyboard interface block 2018-01-28 02:00:21 +01:00
Niels Moseley
fba6bda601 Adding missing DE0 timing constraints file 2018-01-27 23:02:05 +01:00
Niels Moseley
15f476b9eb Fixed irq_n and nmi_n active low/high bug 2018-01-27 22:58:07 +01:00
Niels Moseley
ac2d460f92 Added SIM define to run_testbench.bat 2018-01-27 22:32:51 +01:00
Niels Moseley
645ec26081 Added missing 7-segment display driver for DE0 board 2018-01-27 18:47:56 +01:00
Niels Moseley
c244a3bc5d Fixed bug in pc_monitor signal 2018-01-27 18:15:19 +01:00
Niels Moseley
1cc1920c87 Merge branch 'master' of https://github.com/alangarf/apple-one 2018-01-27 18:12:35 +01:00
Niels Moseley
6823d0e3f9 Added 6502 PC monitoring 2018-01-27 18:11:33 +01:00
Niels Moseley
0527dbb999 Updated DE0 top level and Quartus DE0 project to new directory layout 2018-01-27 16:01:27 +01:00
Alan Garfield
80cc4a96d1
Merge pull request #6 from trcwm/master 
Add missing DE0 top level verilog file.
 2018-01-28 00:49:14 +11:00
Niels Moseley
a60620e6ec Merge remote-tracking branch 'upstream/master' into boards 2018-01-27 14:45:21 +01:00
Niels Moseley
b61b490e4b added missing DE0 top level 2018-01-27 14:42:15 +01:00
Alan Garfield
e9ff2b294e more project file fiddles by the tool. :/ 2018-01-28 00:23:43 +11:00
Alan Garfield
0fc84e0b37 added reset logic to uart and CPU 2018-01-28 00:23:09 +11:00
Alan Garfield
f081eb674f added pretend UART RX waveform 2018-01-28 00:21:48 +11:00
Alan Garfield
b42567e759 fiddled project files from icecube 2018-01-28 00:19:59 +11:00
Alan Garfield
abba4eeee6 added reset to cpu registers and made uart ignore first tx 2018-01-27 22:56:28 +11:00
Alan Garfield
bcaf9e6962 Yay got iverilog sim working! 2018-01-27 22:13:52 +11:00
Alan Garfield
c4d42fae3c fixed testbench and split CPU cores 2018-01-27 17:00:33 +11:00
Alan Garfield
04323a6256 more moving around, added params for hex files 2018-01-27 14:27:10 +11:00
Alan Garfield
0ca73c561a fixed project path for HX8K 2018-01-27 13:58:03 +11:00
Alan Garfield
401e987548
Merge pull request #5 from alangarf/boards 
Implement support for boards
 2018-01-27 13:52:04 +11:00