1 /* 2 3 Copyright 2021, dettus@dettus.net 4 5 Redistribution and use in source and binary forms, with or without modification, 6 are permitted provided that the following conditions are met: 7 8 1. Redistributions of source code must retain the above copyright notice, this 9 list of conditions and the following disclaimer. 10 11 2. Redistributions in binary form must reproduce the above copyright notice, 12 this list of conditions and the following disclaimer in the documentation 13 and/or other materials provided with the distribution. 14 15 THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS" AND 16 ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED 17 WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE 18 DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT HOLDER OR CONTRIBUTORS BE LIABLE 19 FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL 20 DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR 21 SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER 22 CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, 23 OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE 24 OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. 25 */ 26 27 #ifndef VM68K_H 28 #define VM68K_H 29 30 31 // the return value is =0, when everything is okay. 32 #define VM68K_OK 0 33 #define VM68K_NOK_UNKNOWN_INSTRUCTION 1 34 #define VM68K_NOK_INVALID_PTR -1 35 #define VM68K_NOK_INVALID_PARAMETER -2 36 37 38 // this function tells how much memory needs to be mallocated for the handle; 39 int vm68k_getsize(int* size); 40 41 42 // as the name suggests, pSharedMem is shared among the cores. it typically holds the game code. 43 int vm68k_init(void* hVM68k,void* pSharedMem,int sharedmemsize,int version); 44 45 int vm68k_singlestep(void *hVM68k,unsigned short opcode); 46 47 int vm68k_getNextOpcode(void* hVM68k,unsigned short* opcode); 48 49 #endif 50