QDOS Internals

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WM.LDRAW - Vector 2C

To draw loose items

Call ParametersReturn Parameters
D3.B 0 or -1 D3.L preserved
A0 channel ID A0 preserved
A4 pointer to working definition A4 preserved


Any I/O sub system errors


  • No other registers are used.
  • If D3.B = 0 all loose items are redrawn.
  • If D3.B = -1 only those loose items whose status has the change bit set (wsi..chg) will be redrawn. In recent versions of WMAN the change bits will be cleared.
qdosmsq/pe/vectors/ldraw.txt · Last modified: 2009/01/30 10:59 by norman