This software need 128kB mode only and slow 3.5 MHz mode.
DIGISID use incorrect memory paging via: LD A,#5x + OUT (#FD),A = OUT #5xFD,#5x = set different memory pages than 0-7 = software set ram pages with incorrect data.
http://velesoft.speccy.cz/other/zx12...OUT_(FD),A.zip
Archive of ZX software using 128kB memory paging on port #5xFD. If 1MB ram is enable then this problems:
- can crash
- can work incorrect
- can work correct but will use different ram pages than 0-7 (access to 1MB ram)






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