Windows 3.x High-Speed Communications Library and Tools.
Scott Duensing
ec0ec8f074
The ISR still fills the ring buffer (mandatory for 115200 baud), but the app now polls ReadComm directly via a PeekMessage loop instead of waiting for WM_COMMNOTIFY. Blink uses GetTickCount instead of WM_TIMER. This eliminates all Windows message overhead from the data path while keeping the message loop alive for keyboard, paint, and scrollbar. Removed from KPCOMM.PAS: NotifyWndProc, hidden notification window, RegisterClass/CreateWindow, EnableCommNotification, SetCommEventMask, DoCommEvent, Process*Notify methods, OnComm/CommEvent/RThreshold/ SThreshold properties, modem shadow state (CTS/DSR/CD). Removed from KPANSI.PAS: WM_TIMER handler, SetTimer/KillTimer, replaced with public TickBlink method using GetTickCount at 500ms intervals. Removed from drv/isr.c: checkNotify function and its call from isrDispatch. Removed from drv/commdrv.c: pfnPostMessage, all rxNotifySent/txNotifySent edge-trigger bookkeeping, gutted enableNotification to a no-op API-compat stub. Removed from drv/commdrv.h: rxNotifySent/txNotifySent fields (shifts struct layout), PostMessageProcT typedef, pfnPostMessage extern. Co-Authored-By: Claude Opus 4.6 <noreply@anthropic.com> |
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