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Home / CPLD
Name Modified Size InfoDownloads / Week
Parent folder
ANTIMER5.PLD 2024-06-01 7.8 kB
Z80SERIAL.PLD 2024-05-19 10.6 kB
Z80_DRAM.PLD 2024-04-28 3.6 kB
FLASHRAM.PLD 2024-04-28 1.4 kB
Z80glue.pld 2024-04-28 3.4 kB
README.txt 2024-04-28 995 Bytes
SPI doc.txt 2022-07-29 2.5 kB
Z80probe.pld 2018-05-20 1.6 kB
Parallel.pld 2016-06-04 2.0 kB
revers.pld 2016-06-04 1.4 kB
Z80INT.PLD 2016-06-04 3.2 kB
Totals: 11 Items   38.7 kB 0
Z80probe.pld	Bus display and single stepping circuit
			The bus display uses a 48-bit shift register read by
			an Atmel ATmega328p connected to a PC through a serial port

Z80SERIAL.PLD	On the CAN I2C Serial SPI card:
			Address decoding for several chips
			implements an SPI interface
			implements a 16 level interrupt controller

Parallel.pld	On the CAN I2C Serial SPI card:
			Implement a standard parallel port in compatibility mode
			It can input bytes from the data lines.

ANTIMER5.PLD	On the Analog Timer card:
			Address decoding for several chips
			implements an SPI interface
	
revers.pld	connects to a 8255 port in the bidirectional mode

Z80_DRAM.PLD	On the memory expension card:
			implements a DRAM controler. It adds an 8th bit to the refresh counter
			An external delay line is needed to generate the multiplexing signals

Z80glue.pld	address decoding. This version is for the cleaned up circuit of the Z80 CPU

Z80INT.PLD	implements a small interrupt controller (bonus)
Source: README.txt, updated 2024-04-28