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69 lines
1.3 KiB
C
69 lines
1.3 KiB
C
/* radare - LGPL - Copyright 2012-2015 - condret, pancake */
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#include <r_types.h>
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#include <r_util.h>
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#include <r_asm.h>
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#include <r_lib.h>
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#include "../arch/snes/snesdis.c"
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#include "asm_snes.h"
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static struct snes_asm_flags* snesflags = NULL;
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static bool snes_asm_init(void* user) {
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if (!snesflags) {
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snesflags = malloc (sizeof (struct snes_asm_flags));
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}
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memset(snesflags,0,sizeof (struct snes_asm_flags));
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return 0;
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}
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static bool snes_asm_fini(void* user) {
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free(snesflags);
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snesflags = NULL;
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return 0;
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}
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static int dis(RAsm *a, RAsmOp *op, const ut8 *buf, int len) {
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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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RAsmPlugin r_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 = R_SYS_ENDIAN_LITTLE,
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.license = "LGPL3",
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.disassemble = &dis
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};
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#ifndef R2_PLUGIN_INCORE
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R_API RLibStruct radare_plugin = {
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.type = R_LIB_TYPE_ASM,
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.data = &r_asm_plugin_snes,
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.version = R2_VERSION
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};
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#endif
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