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Diffstat (limited to 'trunk/src/emu/cpu/tms57002/57002dsm.c')
-rw-r--r--trunk/src/emu/cpu/tms57002/57002dsm.c91
1 files changed, 91 insertions, 0 deletions
diff --git a/trunk/src/emu/cpu/tms57002/57002dsm.c b/trunk/src/emu/cpu/tms57002/57002dsm.c
new file mode 100644
index 00000000000..1d5a3778dbf
--- /dev/null
+++ b/trunk/src/emu/cpu/tms57002/57002dsm.c
@@ -0,0 +1,91 @@
+#include "emu.h"
+#include "debugger.h"
+#include "tms57002.h"
+
+#ifdef __GNUC__
+#define noinline __attribute__((noinline))
+#else
+#define noinline /* */
+#endif
+
+static const char *tms57002_get_memadr(UINT32 opcode, char type)
+{
+ static char buff[2][10];
+ static int index = 0;
+ char *buf;
+
+ index = 1-index;
+ buf = buff[index];
+
+ if(((opcode & 0x400) && (type == 'c')) || (!(opcode & 0x400) && (type == 'd'))) {
+ if(opcode & 0x100)
+ sprintf(buf, "%c(%02x)", type, opcode & 0xff);
+ else if(opcode & 0x80)
+ sprintf(buf, "%c*+", type);
+ else
+ sprintf(buf, "%c*", type);
+ } else if(opcode & 0x200)
+ sprintf(buf, "%c*+", type);
+ else
+ sprintf(buf, "%c*", type);
+ return buf;
+}
+
+
+CPU_DISASSEMBLE(tms57002)
+{
+ UINT32 opcode = opram[0] | (opram[1] << 8) | (opram[2] << 16);
+ UINT8 fa = opcode >> 18;
+ char *buf = buffer;
+ if(fa == 0x3f) {
+ switch((opcode >> 11) & 0x7f) { // category 3
+
+#define DASM3
+#include "cpu/tms57002/tms57002.inc"
+#undef DASM3
+
+ default:
+ sprintf(buf, "unk c3 %02x", (opcode >> 11) & 0x7f);
+ break;
+ }
+ } else {
+ switch(fa) { // category 1
+ case 0x00:
+ buf[0] = 0;
+ break;
+
+#define DASM1
+#include "cpu/tms57002/tms57002.inc"
+#undef DASM1
+
+ default:
+ sprintf(buf, "unk c1 %02x", fa);
+ break;
+ }
+
+ buf += strlen(buf);
+ if(buf != buffer) {
+ strcpy(buf, " ; ");
+ buf += 3;
+ }
+
+ switch((opcode >> 11) & 0x7f) { // category 2
+ case 0x00:
+ if(buf != buffer)
+ buf[-3] = 0;
+ else
+ sprintf(buf, "nop");
+ break;
+
+#define DASM2
+#include "cpu/tms57002/tms57002.inc"
+#undef DASM2
+
+ default:
+ sprintf(buf, "unk c2 %02x", (opcode >> 11) & 0x7f);
+ break;
+ }
+ }
+
+ return 1;
+}