A2osX/INC/IO.IIC.I.txt
2019-10-22 20:42:22 +02:00

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NEW
AUTO 3,1
.LIST OFF
*--------------------------------------
IO.IIC.RDVBLMSK .EQ $C041 R, B7=1: VBL interrupts enabled
*--------------------------------------
* The action taken for the soft switches
* from $C058 ... $C05F is only taken if access
* has first been enabled by writing to IOUDISOFF ($C07F).]
*--------------------------------------
IO.IIC.DISVBL .EQ $C05A W, Disable VBL interrupts
IO.IIC.ENVBL .EQ $C05B W, Enable VBL interrupts
IO.IIC.CLRVBLIRQ .EQ $C070 R, Clear the VBL interrupt condition
*--------------------------------------
MAN
SAVE INC/IO.IIC.I