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-
- CTSPATCH.PRG
- Copyright (C) 1989
- by Bill Penner
- 26 August 1989
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- CTSPATCH.PRG is a program to fix the TOS 1.4 RS-232 RTS/CTS
- handshaking problem. The program can be run as an autorun program
- (placed in an AUTO folder and booted) or run when beginning to use
- RTS/CTS handshaking.
-
- Outside of the Rsconf() command not allowing the RTS/CTS mode to
- be enabled, the RS-232 routines in the TOS 1.4 (April 1989) ROMs appear
- to be bug free. The problem with the RTS/CTS routines is due to the
- internal variable indicating the past state of the CTS line and the
- active edge interupt register for the CTS line improperly set up when
- the system initializes at powerup. CTSPATCH.PRG simply does the
- initialization and exits.
-
- Even with this program, many programs may not work with RTS/CTS.
- This is primarily due to the various programs being written on a system
- in which the RTS/CTS routines were not working (and causing system
- crashes when enabled with older ROM's) and so many programs will
- automatically turn off RTS/CTS handshaking.
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