Topic       : The ATARI Compendium
Author      : Scott Sanders / JAY Software
Version     : 1.25 (20/6/2003)
Subject     : Documentation
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View Ref-FileEgetShift()
EsetShift()
EsetSmear()                                                           XBIOS

Syntax

WORD EsetSmear( mode )
WORD mode;

Function      EsetSmear() reads/modifies the current state of the video
              shifter's smear mode bit.

Opcode        87 (0x57)

Availability  This call is available when the high word of the '_VDO'
              cookie has a value of 2.

Parameters    mode specifies the action of this call as follows:

              Name        mode  Meaning

              ESM_INQUIRE  -1   Return the smear bit of the video shifter.

              ESM_NORMAL    0   Set the video shifter to process video
                                data normally.

              ESM_SMEAR     1   Set the video shifter to repeat the color
                                of the last displayed pixel each time
                                a 0x0000 is read from video memory.

Binding       move.w   mode,-(sp)
              move.w   #$57,-(sp)
              trap     #14
              addq.l   #4,sp

Return Value  EsetSmear() returns the prior setting of the video shifter's
              smear mode bit.

See Also      EgetShift(), EsetShift()