-- v107 corrected dmd 128x32 ( need HW 0.92 or mod )
-- v108 cpu_irq adjusted
-- v109 irq gen to 2ms (test data east )
-- v110 back to 1mS irq
-- v111 IRQ frequency adjustable with option
-- v112 segments now in RAM (williams_seg14.qip & segments14.mif), added bootmessage for 2xalpha + 2xnumeric ( via gamedef.qip & gamedef.mif )
-- v113 test with new cpu version 0.85
-- v114 SD card v084 with disable_SS