This instruction is available in Advanced Basic, ScrollPower Basic, Ultra Basic and Workmate Basic.

CALL SCROFF in Advanced Basic, Ultra Basic and Workmate Basic

Effect

Turns off the screen. It's equivalent to DEFUSR=&H41 : X=USR(0).

During the time that the screen is turned off, you can execute for example graphical instructions and display only the final result with CALL SCRON.

Note: A MSX2 or higher machine is required for Workmate Basic.

Syntax

CALL SCROFF

Examples

10 SCREEN 0: WIDTH 40: KEYOFF
20 _SCROFF
30 FOR N=1 TO 20
40 PRINT STRING$(30,"*")
50 NEXT N
60 _SCRON

10 SCREEN 8
20 _SCROFF
30 FOR N=1 TO 20
40 CIRCLE (127,95),20+5*N,,,,1.4
50 NEXT N
60 _SCRON
70 GOTO 70

Related to

• CALL SCRON
• only in Ultra Basic: CALL PAGE

Compatibility

Advanced BASIC - Ultra BASIC - Workmate BASIC

CALL SCROFF in ScrollPower Basic

Effect

Stops the scroll generated by the Scroll Power utility.

Syntax

CALL SCROFF

Example

10 COLOR 1,1,1:  SCREEN 5,2:  SETPAGE 0,2
20 BLOAD"bc4.bin",R
30 SCREEN 5: SETPAGE 0,0
40 _SCINIT
50 FOR N=4 TO 31: COLOR SPRITE(N)=13: NEXT N
60 _SCRON
70 A$=INPUT$(1)
80 _SCROFF

Related to

CALL SCINIT, CALL SCRON

Compatibility

ScrollPower BASIC