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More preparations for loadable CPUs. Will still not compile.
git-svn-id: svn://svn.cc65.org/cc65/trunk@5646 b7a2c559-68d2-44c3-8de9-860c34a00d81
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@ -2,14 +2,14 @@
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/* */
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/* chipif.h */
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/* */
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/* Interface header file for plugins - unused by sim65 */
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/* Interface header file for chip plugins - unused by sim65 */
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/* */
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/* */
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/* */
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/* (C) 2002-2003 Ullrich von Bassewitz */
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/* Römerstrasse 52 */
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/* D-70794 Filderstadt */
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/* EMail: uz@cc65.org */
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/* (C) 2002-2012, Ullrich von Bassewitz */
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/* Roemerstrasse 52 */
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/* D-70794 Filderstadt */
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/* EMail: uz@cc65.org */
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/* */
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/* */
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/* This software is provided 'as-is', without any expressed or implied */
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@ -44,19 +44,23 @@
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/* Version defines */
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#define CPUDATA_VER_MAJOR 1U
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#define CPUDATA_VER_MINOR 0U
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/* Forwards */
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struct SimData;
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/* CPUData structure */
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typedef struct CPUData CPUData;
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struct CPUData {
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const char* CPUName; /* Name of the chip */
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unsigned MajorVersion; /* Version information */
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unsigned MinorVersion;
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const char* CPUName; /* Name of the chip */
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unsigned MajorVersion; /* Version information */
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unsigned MinorVersion;
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/* -- Exported functions -- */
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void Init (const struct SimData* Data);
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void (*Init) (const struct SimData* Data);
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/* Initialize the CPU module */
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void* (*CreateInstance) (void* CfgInfo);
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@ -65,17 +69,22 @@ struct CPUData {
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void (*DestroyInstance) (void* Data);
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/* Destroy an instance of the CPU */
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void Reset (void* Data);
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void (*Reset) (void* Data);
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/* Generate a CPU RESET */
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void IRQRequest (void* Data);
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void (*IRQRequest) (void* Data);
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/* Generate an IRQ */
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void NMIRequest (void* Data);
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void (*NMIRequest) (void* Data);
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/* Generate an NMI */
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void Run (void* Data);
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/* Run one CPU instruction */
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unsigned (*ExecuteInsn) (void* Data);
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/* Execute one CPU instruction. Return the number of clock cycles for the
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* executed instruction.
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*/
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unsigned long (*GetCycles) (void* Data);
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/* Return the total number of clock cycles executed */
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};
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File diff suppressed because it is too large
Load Diff
@ -1,81 +0,0 @@
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/*****************************************************************************/
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/* */
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/* cpuregs.h */
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/* */
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/* CPU registers */
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/* */
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/* */
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/* */
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/* (C) 2003 Ullrich von Bassewitz */
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/* Römerstrasse 52 */
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/* D-70794 Filderstadt */
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/* EMail: uz@cc65.org */
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/* */
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/* */
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/* This software is provided 'as-is', without any expressed or implied */
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/* warranty. In no event will the authors be held liable for any damages */
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/* arising from the use of this software. */
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/* */
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/* Permission is granted to anyone to use this software for any purpose, */
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/* including commercial applications, and to alter it and redistribute it */
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/* freely, subject to the following restrictions: */
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/* */
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/* 1. The origin of this software must not be misrepresented; you must not */
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/* claim that you wrote the original software. If you use this software */
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/* in a product, an acknowledgment in the product documentation would be */
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/* appreciated but is not required. */
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/* 2. Altered source versions must be plainly marked as such, and must not */
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/* be misrepresented as being the original software. */
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/* 3. This notice may not be removed or altered from any source */
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/* distribution. */
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/* */
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/*****************************************************************************/
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#ifndef CPUREGS_H
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#define CPUREGS_H
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/*****************************************************************************/
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/* Data */
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/*****************************************************************************/
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typedef struct CPURegs CPURegs;
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struct CPURegs {
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unsigned AC; /* Accumulator */
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unsigned XR; /* X register */
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unsigned YR; /* Y register */
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unsigned ZR; /* Z register */
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unsigned SR; /* Status register */
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unsigned SP; /* Stackpointer */
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unsigned PC; /* Program counter */
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};
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/* Status register bits */
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#define CF 0x01 /* Carry flag */
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#define ZF 0x02 /* Zero flag */
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#define IF 0x04 /* Interrupt flag */
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#define DF 0x08 /* Decimal flag */
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#define BF 0x10 /* Break flag */
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#define OF 0x40 /* Overflow flag */
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#define SF 0x80 /* Sign flag */
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/*****************************************************************************/
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/* Code */
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/*****************************************************************************/
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/* End of cpuregs.h */
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#endif
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