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* Fix OUT 7 to the memory map: it was blocked by ~intio_selsramshareH. Peter Anvin2016-11-121-19/+15
* Clear abc_out_7_q on resetH. Peter Anvin2016-11-121-0/+1
* Avoid latch in video_width; allow flipping sw9 at runtimeH. Peter Anvin2016-11-121-2/+11
* OUT 7 needs a strobe just like intio_selH. Peter Anvin2016-11-121-2/+4
* Improve sdram timing by enabling I/O cell packing; fgpage 5H. Peter Anvin2016-11-111-27/+73
* Create a revision ID ROM which can be read from ABCH. Peter Anvin2016-11-101-4/+32
* Finally: a functional version of the 200 MHz SRAMH. Peter Anvin2016-11-101-125/+159
* Current status of SRAM sharingH. Peter Anvin2016-11-081-69/+84
* SRAM: implement the new 200 MHz shared state machineH. Peter Anvin2016-10-311-51/+116
* Minor video fixesH. Peter Anvin2016-10-311-1/+1
* WIP: adjust SRAM timing to be able to share with another deviceH. Peter Anvin2016-10-311-56/+160
* Add support for using the GPIO 0 header as, well, GPIOs.H. Peter Anvin2016-10-231-32/+116
* Add color block graphics unitH. Peter Anvin2016-10-141-4/+25
* abc80.v: make it possible to simulate a green or yellow screenH. Peter Anvin2016-10-131-156/+159
* abc80.v: Allow the CPU to control the red LEDsH. Peter Anvin2014-06-171-1/+12
* abc80.v: remove (useless) support for X MMU; allow NMI disableH. Peter Anvin2014-05-081-8/+11
* Add support for Olimex MOD-ENC28J60 Ethernet controller on GPIO1H. Peter Anvin2011-11-011-5/+58
* Make the "high-resolution" graphics unit work (sort of...)H. Peter Anvin2010-09-181-5/+80
* abc80: use an original-compatible 6x10 character matrixH. Peter Anvin2010-09-181-7/+4
* abc80.v: prepare for multiplexing SRAM with graphics; fix PLLsH. Peter Anvin2010-09-171-14/+29
* Remove "turbo mode" - it will not workabc80-de1-16H. Peter Anvin2009-01-181-2/+1
* Move the audio unit to a separate PLLH. Peter Anvin2009-01-161-8/+20
* Snapshot the file operations workH. Peter Anvin2009-01-061-1/+2
* Bidirectional printer port, including ROM revisionH. Peter Anvin2009-01-031-0/+7
* abc80.v: restructure the video_width conditional to synthesizeabc80-de1-9H. Peter Anvin2008-12-291-6/+8
* sddisk: report initialization errors to the system and LEDsabc80-de1-8H. Peter Anvin2008-12-291-3/+6
* Minor cleanups (eliminate warnings)H. Peter Anvin2008-12-281-1/+0
* Add an I2C master engine to initialize the sound DACH. Peter Anvin2008-12-271-1/+22
* Test pattern on SW5, move printer/V.24 to SW3abc80-de1-6H. Peter Anvin2008-12-271-3/+4
* Use SW6 for steady cursor, SW5 for printer/V.24H. Peter Anvin2008-12-271-3/+4
* Let KEY1 switch video resolution permanently, same as IN 4/IN 3H. Peter Anvin2008-12-271-13/+27
* abc80.v: permissions fixH. Peter Anvin2008-12-241-0/+0
* Make the SD activity LED do something actually useful.H. Peter Anvin2008-12-241-10/+1
* sddisk: now works enough that it can at least go through initH. Peter Anvin2008-12-231-2/+1
* Use DDR buffers to output the audio clocksH. Peter Anvin2008-12-221-2/+16
* sddisk.v: add Card Present and Write Enable inputsH. Peter Anvin2008-12-221-0/+7
* abc80.v: ledr = sw not ~swhpa2008-12-221-1/+1
* Use the LEDR to indicate state of switches.hpa2008-12-221-2/+2
* Allow the RS232 port on DE1 to be either V.24 or printerhpa2008-12-221-11/+27
* Make the sound generator workhpa2008-12-221-24/+36
* In ABC80, A4 was PIO select, not A5.hpa2008-12-221-3/+3
* Correctly hook up the DE1 RS232 port as the printer port (PR:)hpa2008-12-221-6/+7
* Drop the idiotic 6-bit RGB from the display unit; add reverse videohpa2008-12-221-5/+5
* Connect the keyboard properlyhpa2008-12-221-3/+2
* abc80.v: fix reset, remove debugging hacks, use slide switcheshpa2008-12-221-24/+20
* abc80.v: fix flash and SRAM sequencing, use CE#, disable diskhpa2008-12-221-35/+39
* Replace internal ROMs with external flash interfacehpa2008-12-201-55/+67
* Mode changehpa2008-12-201-0/+0
* Initial port to DE1 cardhpa2008-12-201-364/+145
* Really, really fix the turbo button...CVS: ----------------------------------...abc80-17H. Peter Anvin2005-02-031-6/+10