file                description

hrg-ms.z80          the top design, includes all following files
 zx81rom.z80        defines for zx81/ts1000
 hrg_defines.z80    defines for the hrg design
 hrg_driver.z80     the hrg driver which generates the video
 hrg_tools.z80      functions to generate pixels, lines etc.
 hrg_interface.z80  interface to basic, scans parameters etc.