The part CY7C343 belong to MAX340 Family of devices. It was supported in Warp Software. We have stopped distributing Warp because our license agreement with Aldec simulator, an integral part of Warp, has expired. The last version of the software was Warp6.3, which supported MAX340 (c341, c342, c343, c344, c346 (84 & 100 pin) devices).
Please be noted our entire Cypress CPLD product are Obsolete and not recommended for new design and development. For more information on CPLD product, please visit our webpage: http://www.cypress.com/go/cpld