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Topic	Replies	Views	Last message
need help: Z80 serial board not working something wrong with UART board By: lynchaj on Sat, 08 May 2021	24	27466	Mon, 24 May 2021 03:13 By: lynchaj
SBC-188 firmware caution bug report By: jcoffman on Tue, 23 March 2021	3	5784	Mon, 17 May 2021 08:13 By: jcoffman
TTL HP-35 A HP-35 in TTL Logic By: ale500 on Thu, 13 May 2021	1	4909	Thu, 13 May 2021 11:00 By: ale500
NEC 765 FDC to Zilog Z8410 DMA Looking for example circuit diagrams or schematics By: lynchaj on Thu, 29 April 2021	5	9035	Tue, 04 May 2021 06:27 By: lowen
Programmers section in the Wiki By: trick-1 on Tue, 04 May 2021	0	2494	Tue, 04 May 2021 06:05 By: trick-1
Z80 SPI fast SD parallel to SPI for SD card design By: lynchaj on Sun, 25 April 2021	26	32253	Thu, 29 April 2021 22:30 By: monahan
Bus Buffers/Z80 Electrical Characteristic Questions By: protocall7 on Mon, 14 October 2019	14	22845	Thu, 15 April 2021 08:26 By: wsm
old designs: USB2FDC USB floppy controller using WD2793 By: lynchaj on Wed, 14 April 2021	0	2541	Wed, 14 April 2021 09:33 By: lynchaj
old designs: Linux SBC computer 486 integrated chipset on a full length 16 bit ISA board By: lynchaj on Tue, 13 April 2021	0	3058	Tue, 13 April 2021 03:40 By: lynchaj
Porting CP/M-68K to new HW: the oddity of the DRI CBASIC (CB68) compiler and how to solve By: just4fun on Sun, 11 April 2021	3	6310	Tue, 13 April 2021 00:41 By: just4fun
old designs: Multibus I three template boards By: lynchaj on Sun, 11 April 2021	0	2538	Sun, 11 April 2021 06:09 By: lynchaj
T80 (Z80) CPU in Multicomp bugs in the T80 core from opencores By: nealcrook on Sun, 11 April 2021	0	3063	Sun, 11 April 2021 01:11 By: nealcrook
Porting CP/M-68K to new HW: the oddity of CPM400.SR and how to solve By: just4fun on Wed, 07 April 2021	2	4577	Sun, 11 April 2021 01:05 By: Yves-D.
old designs:PD32 Micro Cornucopia magazine article from 1986, Unix capable ISA board By: lynchaj on Sat, 10 April 2021	0	2577	Sat, 10 April 2021 15:50 By: lynchaj
pdp-10 fpga Conway's pdp-10x ( 1 2) By: bob98033_yahoo.com on Mon, 15 October 2018	66	97153	Sat, 10 April 2021 15:03 By: djmartins
SD2IEC design for commodore 64 By: rhkoolstar on Thu, 18 March 2021	9	12741	Mon, 05 April 2021 01:44 By: rhkoolstar
KiCAD 74ls260 symbol library dual 5 input NOR gate By: lynchaj on Sat, 27 March 2021	2	4801	Sat, 27 March 2021 12:12 By: lynchaj
Dec pdp-8/e boards spacetime gizmos By: bob98033_yahoo.com on Tue, 26 May 2020	10	16332	Sun, 21 March 2021 00:50 By: alkmar
STEbus FPGA universal board FPGA board with STEbus Master/Slave capabilities By: beb on Sat, 20 March 2021	0	2869	Sat, 20 March 2021 11:14 By: beb
Sincere Apologies By: Andrew B on Sat, 30 January 2021	6	9012	Thu, 18 March 2021 19:51 By: bifo
Mostek MK5012P. What is this? By: guus.assmann on Sun, 14 March 2021	2	4878	Tue, 16 March 2021 13:56 By: guus.assmann
[Zeta v2] RomWBW: Timer interrupt & (separate) PPISD queries By: scruss on Mon, 07 December 2020	4	7473	Sat, 13 March 2021 21:25 By: b1ackmai1er
Looking for good project? ECB bus monitor, ECB active termination By: lynchaj on Mon, 01 March 2021	5	8018	Fri, 05 March 2021 18:34 By: b1ackmai1er
Original N8VEM board and Disk controller for sale. Both working. By: atreubig on Tue, 02 March 2021	3	5691	Fri, 05 March 2021 09:28 By: lynchaj
A new version of the S100Computers Serial IO Board S100, UART By: monahan on Mon, 01 March 2021	0	2725	Mon, 01 March 2021 19:45 By: monahan
Z80 16 bit i/o Input & Output 16 bit data By: b1ackmai1er on Thu, 25 February 2021	5	8352	Mon, 01 March 2021 07:48 By: cmacarthur
Question 1Mbx8 Flash/EEPROM 32 pin dip By: b1ackmai1er on Sat, 24 August 2019	8	13196	Fri, 26 February 2021 20:23 By: b1ackmai1er
FUZIX on Tiny68K By: quarterturn on Mon, 22 February 2021	2	5941	Tue, 23 February 2021 20:05 By: plasmo
Z80 interupt timing question By: comwarrior on Tue, 23 February 2021	2	4428	Tue, 23 February 2021 11:43 By: comwarrior
Greetings and announcing MMRC By: comwarrior on Thu, 18 February 2021	0	2689	Thu, 18 February 2021 14:42 By: comwarrior
Nobel prize in harware goes to ... drum roll ..... By: b1ackmai1er on Fri, 05 February 2021	4	7211	Sat, 13 February 2021 21:53 By: Garth
adapt ECB CVDU to ROMWBW RC2014 By: quarterturn on Wed, 27 January 2021	3	5627	Thu, 11 February 2021 12:56 By: quarterturn
RC2014 Z80 /WR and /RD mutually exclusive? By: quarterturn on Thu, 04 February 2021	5	7855	Sun, 07 February 2021 03:35 By: b1ackmai1er
N8 (4314) RomWBW 3.0.1 and PPIDE By: andrii_kutepov on Sun, 31 January 2021	3	6298	Fri, 05 February 2021 23:50 By: andrii_kutepov
Ended up with some extra 74F133N ICs for the KISS-68030 By: ddevault on Tue, 26 January 2021	7	10748	Wed, 03 February 2021 16:18 By: ddevault
Poll: STEbus projects Re-creating STEbus boards By: beb on Sun, 31 January 2021	5	9037	Tue, 02 February 2021 11:48 By: beb
Tristam Island Text adventure for CP/M By: b1ackmai1er on Thu, 28 January 2021	0	2691	Thu, 28 January 2021 07:36 By: b1ackmai1er
CP/M 2 disk problems or something else By: quarterturn on Mon, 25 January 2021	6	8894	Tue, 26 January 2021 08:29 By: quarterturn
RIZ180, a simple hobbyist-friendly Z80180 SBC for RC2014 By: plasmo on Sun, 20 December 2020	19	24644	Mon, 25 January 2021 14:33 By: lowen
ROMWBW v3.0.1 video support MOS8568 By: quarterturn on Mon, 25 January 2021	0	2803	Mon, 25 January 2021 12:43 By: quarterturn