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+/*

+ *  EmbedVM - Embedded Virtual Machine for uC Applications

+ *

+ *  Copyright (C) 2011  Clifford Wolf <clifford@clifford.at>

+ *  

+ *  Permission to use, copy, modify, and/or distribute this software for any

+ *  purpose with or without fee is hereby granted, provided that the above

+ *  copyright notice and this permission notice appear in all copies.

+ *  

+ *  THE SOFTWARE IS PROVIDED "AS IS" AND THE AUTHOR DISCLAIMS ALL WARRANTIES

+ *  WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF

+ *  MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR

+ *  ANY SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES

+ *  WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN

+ *  ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF

+ *  OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE.

+ *

+ */

+

+#ifndef EMBEDVM_H

+#define EMBEDVM_H

+

+#include <stdint.h>

+#include <stdbool.h>

+

+#ifdef  __cplusplus

+extern "C" {

+#endif

+

+struct embedvm_s

+{

+	uint16_t ip, sp, sfp;

+	void *user_ctx;

+

+	int16_t (*mem_read)(uint16_t addr, bool is16bit, void *ctx);

+	void (*mem_write)(uint16_t addr, int16_t value, bool is16bit, void *ctx);

+	int16_t (*call_user)(uint8_t funcid, uint8_t argc, int16_t *argv, void *ctx);

+};

+

+extern void embedvm_exec(struct embedvm_s *vm);

+extern void embedvm_interrupt(struct embedvm_s *vm, uint16_t addr);

+

+int16_t embedvm_pop(struct embedvm_s *vm);

+void embedvm_push(struct embedvm_s *vm, int16_t value);

+

+int16_t embedvm_local_read(struct embedvm_s *vm, int8_t sfa);

+void embedvm_local_write(struct embedvm_s *vm, int8_t sfa, int16_t value);

+

+#ifdef __cplusplus

+}

+#endif

+

+#endif