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NeoWidEx_CMD_Set_AutoOffset.X68
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NeoWidEx_CMD_Set_AutoOffset.X68
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*-----------------------------------------------------------
* Title : NeoWidEx_CMD_Set_AutoOffset
* Written by : Tom Stepleton
* Description:
* Formatting and diagnostic tool for Widget drives,
* inspired by the WidEx utility internal to Apple, and by
* Patrick Schäfer's UsbWidEx hardware tool.
* -- This file: issues the auto-offset enable command.
* Equates from NeoWidEx_DEFS must be defined.
* Macros from NeoWidEx_MACROS must be defined.
* Resources from NeoWidEx_IO must be defined.
* Resources from NeoWidEx_WIDGETINFO must be defined.
*-----------------------------------------------------------
* NeoWidEx Set_AutoOffset code =============================
; CMD_Set_AutoOffset-- Attempt the Set_AutoOffset command
; Args:
; (none)
; Notes:
; Trashes D0/A0.
; If WIDGETINFO runs, has all of WIDGETINFO's side-effects.
CMD_Set_AutoOffset:
BSR WIDGETCHECK ; Is this a Widget? If not, bail
mPrint kCrtRow,kCrtCol,#kFirstCol,<$0D,' --- AUTO-OFFSET HEADS ---'>
MOVE.B #2,D0 ; The command is two bytes long
LEA sCmdSetAutoOffset,A0 ; Location of the command template in RAM
BSR WIDGETCMD ; Construct actual command in RAM
CLR.W zWIOReadLen ; There are no bytes to read
CLR.W zWIOWriteLen ; There are no bytes to write
BSR WIDGETIO ; Issue command
BEQ .ok ; All OK? Exit
BSR WIDGETPERROR ; Error! Print error message
RTS ; Back to caller
.ok mPrint kCrtRow,kCrtCol,#kFirstCol,<$0D,'DONE.'>
RTS ; Back to caller
PAGE
* NeoWidEx Set_AutoOffset strings ==========================
SECTION kSecStrings
sCmdSetAutoOffset:
DC.B $10,$0C ; Set_AutoOffset command (it's short!)
** (Back to the code section) **
SECTION kSecCode
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