// // Copyright (c) 2004 K. Wilkins // // This software is provided 'as-is', without any express or implied warranty. // In no event will the authors be held liable for any damages arising from // the use of this software. // // Permission is granted to anyone to use this software for any purpose, // including commercial applications, and to alter it and redistribute it // freely, subject to the following restrictions: // // 1. The origin of this software must not be misrepresented; you must not // claim that you wrote the original software. If you use this software // in a product, an acknowledgment in the product documentation would be // appreciated but is not required. // // 2. Altered source versions must be plainly marked as such, and must not // be misrepresented as being the original software. // // 3. This notice may not be removed or altered from any source distribution. // ////////////////////////////////////////////////////////////////////////////// // Handy - An Atari Lynx Emulator // // Copyright (c) 1996,1997 // // K. Wilkins // ////////////////////////////////////////////////////////////////////////////// // Core machine definitions header file // ////////////////////////////////////////////////////////////////////////////// // // // This header file provides the interface definition and code for the core // // definitions used throughout the Handy code. Additionally it provides // // a generic memory object definition. // // // // K. Wilkins // // August 1997 // // // ////////////////////////////////////////////////////////////////////////////// // Revision History: // // ----------------- // // // // 01Aug1997 KW Document header added & class documented. // // // ////////////////////////////////////////////////////////////////////////////// #ifndef MACHINE_H #define MACHINE_H #include "../mednafen.h" typedef struct { union { struct { #ifdef MSB_FIRST uint8 High; uint8 Low; #else uint8 Low; uint8 High; #endif } Union8; uint16 Val16; }; } Uuint16; // Read/Write Cycle definitions #define CPU_RDWR_CYC 5 #define DMA_RDWR_CYC 4 #define SPR_RDWR_CYC 3 // Ammended to 2 on 28/04/00, 16Mhz = 62.5nS cycle // // 2 cycles is 125ns - PAGE MODE CYCLE // 4 cycles is 250ns - NORMAL MODE CYCLE // #include "lynxbase.h" #endif