Here is a list of all files with brief descriptions:

char_buffer.v
char_rom.v
clock_generator.v
clock_pll48.v
command_handler.v
cursor.v
cursor_blinker.v
dispchars.c
dispchars.jpg
dual_usb_cmoda7_hw.jpg
ebaz4205.xdc
edge_detect.v
emacs.jpg
font.jpg
keyboard.jpg
keyboard.v
keymap_rom.v
login.jpg
ps2.jpg
serial.v
simple_register.v
tinyfpga.jpg
uart.v
uart_rx.v
uart_tx.v
USB-ttyACM0-login.jpg
USB-UART-interface.jpg
USB-UART-interface2.jpg
usb_fs_in_arb.v
usb_fs_in_pe.v
usb_fs_out_arb.v
usb_fs_out_pe.v
usb_fs_pe.v
usb_fs_rx.v
usb_fs_tx.v
usb_fs_tx_mux.v
usb_loopback.xpr
usb_reset_det.v
usb_serial_ctrl_ep.v
usb_uart.v
usb_uart_bridge_ep.v
usb_uart_core.v
usb_uart_ecp5.v
usb_uart_i40.v
usb_uart_x7.v
usbreset.c
usbserial_tbx.v
vga.jpg
video_generator.v
vim.jpg
vt52.v
vt52_usb.xpr