66 lines
1.4 KiB
C
66 lines
1.4 KiB
C
// SPDX-FileCopyrightText: 2012-2015 condret <condr3t@protonmail.com>
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// SPDX-FileCopyrightText: 2012-2015 pancake <pancake@nopcode.org>
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// SPDX-License-Identifier: LGPL-3.0-only
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#include <rz_types.h>
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#include <rz_util.h>
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#include <rz_asm.h>
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#include <rz_lib.h>
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#include "../arch/snes/snesdis.c"
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#include "asm_snes.h"
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static int dis(RzAsm *a, RzAsmOp *op, const ut8 *buf, int len) {
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struct snes_asm_flags *snesflags = (struct snes_asm_flags *)a->plugin_data;
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int dlen = snesDisass(snesflags->M, snesflags->X, a->pc, op, buf, len);
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if (dlen < 0) {
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dlen = 0;
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}
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op->size = dlen;
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if (buf[0] == 0xc2) { // REP
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if (buf[1] & 0x10) {
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snesflags->X = 0;
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}
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if (buf[1] & 0x20) {
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snesflags->M = 0;
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}
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} else if (buf[0] == 0xe2) { // SEP
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if (buf[1] & 0x10) {
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snesflags->X = 1;
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}
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if (buf[1] & 0x20) {
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snesflags->M = 1;
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}
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}
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return dlen;
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}
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static bool snes_asm_init(void **user) {
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*user = RZ_NEW0(struct snes_asm_flags);
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return *user != NULL;
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}
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static bool snes_asm_fini(void *user) {
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rz_return_val_if_fail(user, false);
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free(user);
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return true;
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}
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RzAsmPlugin rz_asm_plugin_snes = {
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.name = "snes",
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.desc = "SuperNES CPU",
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.arch = "snes",
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.bits = 8 | 16,
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.init = snes_asm_init,
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.fini = snes_asm_fini,
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.endian = RZ_SYS_ENDIAN_LITTLE,
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.license = "LGPL3",
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.disassemble = &dis
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};
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#ifndef RZ_PLUGIN_INCORE
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RZ_API RzLibStruct rizin_plugin = {
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.type = RZ_LIB_TYPE_ASM,
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.data = &rz_asm_plugin_snes,
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.version = RZ_VERSION
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};
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#endif
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