icex2
4c3febfcad
Various structures were improved, some slightly changed even. Behavior/functionality expected to be identical.
51 lines
1.4 KiB
C
51 lines
1.4 KiB
C
#ifndef P3IO_EMU_H
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#define P3IO_EMU_H
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#include <windows.h>
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#include <stddef.h>
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#include <stdint.h>
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#include "hook/iohook.h"
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#include "p3io/cmd.h"
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/**
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* P3IO operation dispatching table. Many operations are optional and not used
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* by every game that's running on that type of hardware which means you can
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* ommit hooking up implementations for them.
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*/
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struct p3io_ops {
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void (*close)(void *ctx);
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HRESULT (*read_jamma)(void *ctx, uint32_t *state);
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HRESULT (*set_outputs)(void *ctx, uint32_t state);
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HRESULT (*get_dipsw)(void *ctx, uint8_t *state);
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HRESULT (*get_cab_type)(void *ctx, enum p3io_cab_type *type);
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HRESULT (*get_video_freq)(void *ctx, enum p3io_video_freq *freq);
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HRESULT (*get_coinstock)(void *ctx, uint16_t *slots, size_t nslots);
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HRESULT(*get_roundplug)
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(void *ctx, uint8_t plug_id, uint8_t *rom, uint8_t *eeprom);
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};
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/**
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* Initialize the p3io emulation backend.
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*
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* @param ops Dispatch table with operation hooks for your target game.
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* @param ctx A context which is passed along with every call to a function of
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* your provided dispatch table.
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*/
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void p3io_emu_init(const struct p3io_ops *ops, void *ctx);
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/**
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* Shutdown the p3io emulation backend.
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*/
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void p3io_emu_fini(void);
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/**
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* p3io emulation dispatch irp call. This needs to be hooked to the iohook
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* module in order to drive the emulation backend with detoured system calls.
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*/
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HRESULT p3io_emu_dispatch_irp(struct irp *irp);
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#endif
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