DIAGNOSTIC: Alter SIO Timing for T1 - FujiNetWIFI/fujinet-firmware GitHub Wiki

This is a command for Device $70 - The FujiNet Device itself (see SIO-Commands-for-Device-ID-$70).

Alter SIO Timing for T1 ($B1)

Description

Alters the Timing value (in microseconds) for Timing value 1.

From the Atari Hardware Manual:

  The computer generates a delay (tl) between the transmission of 
    the last bit of the command frame and the raising of the COMMAND- line. 

    computer tl (min) = 650 microsec. 
    computer tl (max) = 950 microsec. 

    peripheral tl (min) = ?? 
    peripheral tl (max) = ?? 

Parameters

DCB Value
DDEVIC $70
DUNIT $01
DCOMND 0xB1
DSTATS 0x00
DBUF NULL
DTIMLO 0x0F
DBYT 0
DAUX 16-bit value containing # of microseconds in little-endian order

Examples

See thwap tool, for examples of how to alter this value: GitHub Link

See Also