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path: root/src/emu/cpu/pdp1/tx0dasm.c
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Diffstat (limited to 'src/emu/cpu/pdp1/tx0dasm.c')
-rw-r--r--src/emu/cpu/pdp1/tx0dasm.c122
1 files changed, 122 insertions, 0 deletions
diff --git a/src/emu/cpu/pdp1/tx0dasm.c b/src/emu/cpu/pdp1/tx0dasm.c
new file mode 100644
index 00000000000..46ca60334da
--- /dev/null
+++ b/src/emu/cpu/pdp1/tx0dasm.c
@@ -0,0 +1,122 @@
+#include <stdio.h>
+#include <string.h>
+#include "cpu/pdp1/tx0.h"
+
+unsigned tx0_dasm_64kw(char *buffer, offs_t pc, const UINT8 *oprom, const UINT8 *opram)
+{
+ int md;
+ int x;
+
+ md = *((UINT32 *) oprom);
+
+ x = md & 0177777;
+ switch (md >> 16)
+ {
+ case 0:
+ sprintf (buffer, "sto 0%06o", x);
+ break;
+ case 1:
+ sprintf (buffer, "add 0%06o", x);
+ break;
+ case 2:
+ sprintf (buffer, "trn 0%06o", x);
+ break;
+ case 3:
+ sprintf (buffer, "opr 0%06o", x);
+ break;
+ }
+ return 1;
+}
+
+unsigned tx0_dasm_8kw(char *buffer, offs_t pc, const UINT8 *oprom, const UINT8 *opram)
+{
+ int md;
+ int x;
+
+ md = *((UINT32 *) oprom);
+
+ x = md & 0017777;
+ switch (md >> 13)
+ {
+ case 0:
+ sprintf (buffer, "sto 0%05o", x);
+ break;
+ case 1:
+ sprintf (buffer, "stx 0%05o", x);
+ break;
+ case 2:
+ sprintf (buffer, "sxa 0%05o", x);
+ break;
+ case 3:
+ sprintf (buffer, "ado 0%05o", x);
+ break;
+ case 4:
+ sprintf (buffer, "slr 0%05o", x);
+ break;
+ case 5:
+ sprintf (buffer, "slx 0%05o", x);
+ break;
+ case 6:
+ sprintf (buffer, "stz 0%05o", x);
+ break;
+ case 8:
+ sprintf (buffer, "add 0%05o", x);
+ break;
+ case 9:
+ sprintf (buffer, "adx 0%05o", x);
+ break;
+ case 10:
+ sprintf (buffer, "ldx 0%05o", x);
+ break;
+ case 11:
+ sprintf (buffer, "aux 0%05o", x);
+ break;
+ case 12:
+ sprintf (buffer, "llr 0%05o", x);
+ break;
+ case 13:
+ sprintf (buffer, "llx 0%05o", x);
+ break;
+ case 14:
+ sprintf (buffer, "lda 0%05o", x);
+ break;
+ case 15:
+ sprintf (buffer, "lax 0%05o", x);
+ break;
+ case 16:
+ sprintf (buffer, "trn 0%05o", x);
+ break;
+ case 17:
+ sprintf (buffer, "tze 0%05o", x);
+ break;
+ case 18:
+ sprintf (buffer, "tsx 0%05o", x);
+ break;
+ case 19:
+ sprintf (buffer, "tix 0%05o", x);
+ break;
+ case 20:
+ sprintf (buffer, "tra 0%05o", x);
+ break;
+ case 21:
+ sprintf (buffer, "trx 0%05o", x);
+ break;
+ case 22:
+ sprintf (buffer, "tlv 0%05o", x);
+ break;
+ case 24:
+ case 25:
+ case 26:
+ case 27:
+ case 28:
+ case 29:
+ case 30:
+ case 31:
+ sprintf (buffer, "opr 0%06o", md & 0177777);
+ break;
+ default:
+ sprintf (buffer, "illegal");
+ break;
+ }
+ return 1;
+}