    AVR ZX Spectrum V1.x, V2.x

"Videotest.hex"   FLASH   (D2) AVR ZX Spectrum.    .       .       ,     ZX Spectrum:         .    1 .

"0_V VCPU_TEST.hex"   FLASH   (D1) AVR ZX Spectrum.    .  D2     " .hex".    .          3224 , 0    "0123456789ABCDEFGHIJKLMNOPQRSTUV", 1  - "123456789ABCDEFGHIJKLMNOPQRSTUV0", ... , 23  - "NOPQRSTUV0123456789ABCDEFGHIJKLM".

"Port254 IN test V2_0.hex"   FLASH   (D2) AVR ZX Spectrum.    .       .                 88.        0xFE,  (7)  .  ()     0b01111111,  ()  -   0b11111110.  6  ( )   ,   6   0xFE    TAPE.  0  2    1.         :   ,    ( ,    2 )  (),  ()     .       . 
