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* de1.qsf: remove signaltap noiseH. Peter Anvin2014-02-111-794/+389
* Snapshot of moving frame buffer to SDRAMH. Peter Anvin2014-02-112-17/+440
* DE1: include the assignments default fileH. Peter Anvin2014-02-111-0/+692
* de1.qsf: add enc28j60.v, update QuartusH. Peter Anvin2014-02-111-49/+50
* DE1: Add a Microchip ENC28J60 Ethernet controller using GPIO1H. Peter Anvin2014-02-111-10/+59
* Fix the LED registerH. Peter Anvin2014-02-111-1/+1
* de1.v: remove unused wireH. Peter Anvin2014-02-111-1/+0
* Hook up an interrupt for the keyboardH. Peter Anvin2014-02-111-1/+3
* Add a register to see the keys and switches from softwareH. Peter Anvin2014-02-111-0/+2
* tg68: somewhat crude implementation of vectored interruptsH. Peter Anvin2014-02-111-0/+1
* Hook up MFP interrupt generationH. Peter Anvin2014-02-111-3/+7
* Fix the actual connectivity for MFP 68901H. Peter Anvin2014-02-112-9/+18
* Intial attempt at integrating MFP68901H. Peter Anvin2014-02-111-3/+123
* de1: proper switch sense for the SD card ersatz switchesH. Peter Anvin2014-02-111-2/+2
* de1.v: remove double assignment to sdcard_cpu_di[7:0]H. Peter Anvin2014-02-111-3/+0
* sdcard: change to be a 16-bit deviceH. Peter Anvin2014-02-111-4/+5
* ps2: add PS/2 keyboard controllerH. Peter Anvin2014-02-112-14/+38
* debounce: remove resetH. Peter Anvin2014-02-111-2/+0
* Debounce keys and switchesH. Peter Anvin2014-02-112-6/+35
* serial: use positive-logic msel instead of negative-logic CS#H. Peter Anvin2014-02-111-1/+1
* Add MMC/SD controllerH. Peter Anvin2014-02-112-22/+52
* Make the green LEDs settable in softwareH. Peter Anvin2014-02-111-17/+11
* de1: fix cycle counter registerH. Peter Anvin2014-02-111-2/+2
* sysctl: add a free-running cycle counterH. Peter Anvin2014-02-111-0/+12
* sound: clock the ym2149 at a sane frequencyH. Peter Anvin2014-02-111-14/+28
* sound: hook it up properlyH. Peter Anvin2014-02-112-12/+13
* de1.qsf: allow the synthesizer to infer RAM blocksH. Peter Anvin2014-02-111-13/+21
* Sound generator YM2149, a.k.a. AY-3-8910/8192H. Peter Anvin2014-02-114-13/+418
* de1.qsf: remove Signaltap (causes timing failures!)H. Peter Anvin2014-02-111-703/+1
* de1: initialize the 7-segment display to blankH. Peter Anvin2014-02-111-0/+1
* display: initial cut of the display unitH. Peter Anvin2014-02-112-279/+593
* Snapshot: memory mostly working, except for UDS#/LDS# timingH. Peter Anvin2014-02-112-30/+477
* RTL: implement an SDRAM controller (untested)H. Peter Anvin2014-02-111-25/+103
* de1.qsf: The DE1 board has no heat sink, assume 30 C ambientH. Peter Anvin2014-02-111-11/+12
* RTL: the flash is zero wait stateH. Peter Anvin2014-02-111-1/+1
* RTL: fix issues mostly related to endiannessH. Peter Anvin2014-02-111-10/+10
* Change name from ABC3200 to ABC8000H. Peter Anvin2014-02-112-25/+25
* Add serial device; project now at least compilesH. Peter Anvin2010-10-202-18/+125
* Initial framework for the top-level designH. Peter Anvin2010-10-074-0/+827