Int 21/AX=DF01h

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Software Carousel - SWITCH TO ANOTHER TASK

AX = DF01h
BL = task number (00h = next task)

Return:
AL = status 00h Carousel not running 01h successful FFh unsucessful AH = error code (01h,02h) (see #01813)

(Table 01813) Values for Software Carousel error code: 00h invalid subfunction in AL 01h invalid task number 02h tried to switch to task with no memory size 03h tried to kill program in partition with no program running 04h tried to change size of an active memory partition 05h invalid memory size 06h tried to send command to task with a pending previous command

Category: DOS-Based Task Switchers/Multitaskers - Int 21h - S

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