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⌂ ∞ ▽ Elite on the BBC Micro and NES

Copy protection: PARAMS1

[BBC Micro disc version, Loader 1]

       Name: PARAMS1                                                 [Show more]
       Type: Variable
   Category: Copy protection
    Summary: OSWORD parameter block for accessing a specific track on the disc
             (not used in this version as disc protection is disabled)

    Context: See this variable in context in the source code
 References: This variable is used as follows:
             * LOAD uses PARAMS1




.PARAMS1

 EQUB &FF               \ 0 = Drive = &FF (previously used drive and density)
 EQUD &FFFFFFFF         \ 1 = Data address (not required)
 EQUB 2                 \ 5 = Number of parameters = 2
 EQUB &7A               \ 6 = Command = &7A (write special register)
 EQUB &12               \ 7 = Parameter = &12 (register = track number)
 EQUB 38                \ 8 = Parameter = &26 (track number)
 EQUB &00               \ 9 = The result of the OSWORD call is returned here