diff options
Diffstat (limited to 'src/emu/cpu/pdp1/tx0dasm.c')
-rw-r--r-- | src/emu/cpu/pdp1/tx0dasm.c | 122 |
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; +} |