ZX81 FPGA VHDL files

VHDL files (205K zipped. The bulk of this is the simulation verification files).
Click on the links below to view the source files

File Size   Description
zx97.vhd 5,229   Pad bindings of the ZX97 FPGA: the I/O shell
Contains device specific elements like buffers.
top.vhd 7,810   Top level of the ZX97 Completely device independent!
res_clk.vhd 1,750   Reset and Clock
busses.vhd 3,275   Switching the busses
io81.vhd 1,971   ZX81 Input and Output
video81.vhd 4,327   ZX81 Videologic
modes97.vhd 2,446   ZX97 Modes
lcd97.vhd 3,358   ZX97 LCD logic
sim_cfg.vhd 476   ZX97 Simulation Configuration
zx97tb.vhd 16,046   ZX97 Simulation Testbench
       
Makefile 4,016   Makes the project
viewdraw.ini 640   Design Directories
synth.ini 446   Controlling the synthesis
simu.cmd 2,498   ZX97 Test
zx97.cst 2,933   ZX97 Place and route
       
simu.vcd 968,604   Simulator
simu.out 1,134,972   Simulator output
       
zx97.bin 3,854   Output as binary
zx97.mcs 10,871   Output as Intel hex file