Thread View: comp.sys.ibm.pc.programmer
1 messages
1 total messages
Started by Michael A. Shiels
Thu, 02 Aug 1990 03:10
INT 21 AX=5D06 Swap DOS data space call
Author: Michael A. Shiels
Date: Thu, 02 Aug 1990 03:10
Date: Thu, 02 Aug 1990 03:10
2 lines
579 bytes
579 bytes
Does DOS do it's own semaphoring with INT 2A AX=80xx/AX=81xx to ensure you don't swap in the middle of a drive read/write?
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