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Diffstat (limited to 'src/devices/cpu/tms1000/tms1k_dasm.cpp')
-rw-r--r--src/devices/cpu/tms1000/tms1k_dasm.cpp281
1 files changed, 281 insertions, 0 deletions
diff --git a/src/devices/cpu/tms1000/tms1k_dasm.cpp b/src/devices/cpu/tms1000/tms1k_dasm.cpp
new file mode 100644
index 00000000000..054d4f09699
--- /dev/null
+++ b/src/devices/cpu/tms1000/tms1k_dasm.cpp
@@ -0,0 +1,281 @@
+// license:BSD-3-Clause
+// copyright-holders:Wilbert Pol, hap
+/*
+
+ TMS0980/TMS1000-family disassembler
+
+*/
+
+#include "emu.h"
+#include "debugger.h"
+#include "tms1k_base.h"
+
+
+enum e_mnemonics
+{
+ zILL = 0,
+ zA10AAC, zA6AAC, zA8AAC, zAC1AC, zACACC, zACNAA, zALEC, zALEM, zAMAAC, zBRANCH, zCALL, zCCLA,
+ zCLA, zCLO, zCOMC, zCOMX, zCOMX8, zCPAIZ, zCTMDYN, zDAN, zDMAN, zDMEA, zDNAA,
+ zDYN, zIA, zIMAC, zIYC, zKNEZ, zLDP, zLDX2, zLDX3, zLDX4, zMNEA, zMNEZ,
+ zNDMEA, zOFF, zRBIT, zREAC, zRETN, zRSTR, zSAL, zSAMAN, zSBIT,
+ zSBL, zSEAC, zSETR, zTAM, zTAMACS, zTAMDYN, zTAMIY, zTAMIYC, zTAMZA,
+ zTAY, zTBIT, zTCMIY, zTCY, zTDO, zTKA, zTKM, zTMA,
+ zTMY, zTYA, zXDA, zXMA, zYMCY, zYNEA, zYNEC
+};
+
+static const char *const s_mnemonic[] =
+{
+ "?",
+ "A10AAC", "A6AAC", "A8AAC", "AC1AC", "ACACC", "ACNAA", "ALEC", "ALEM", "AMAAC", "BRANCH", "CALL", "CCLA",
+ "CLA", "CLO", "COMC", "COMX", "COMX8", "CPAIZ", "CTMDYN", "DAN", "DMAN", "DMEA", "DNAA",
+ "DYN", "IA", "IMAC", "IYC", "KNEZ", "LDP", "LDX", "LDX", "LDX", "MNEA", "MNEZ",
+ "NDMEA", "OFF", "RBIT", "REAC", "RETN", "RSTR", "SAL", "SAMAN", "SBIT",
+ "SBL", "SEAC", "SETR", "TAM", "TAMACS", "TAMDYN", "TAMIY", "TAMIYC", "TAMZA",
+ "TAY", "TBIT", "TCMIY", "TCY", "TDO", "TKA", "TKM", "TMA",
+ "TMY", "TYA", "XDA", "XMA", "YMCY", "YNEA", "YNEC"
+};
+
+
+#define _OVER DASMFLAG_STEP_OVER
+#define _OUT DASMFLAG_STEP_OUT
+
+static const UINT32 s_flags[] =
+{
+ 0,
+ 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, _OVER, 0,
+ 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0,
+ 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0,
+ 0, 0, 0, 0, _OUT, 0, 0, 0, 0,
+ 0, 0, 0, 0, 0, 0, 0, 0, 0,
+ 0, 0, 0, 0, 0, 0, 0, 0,
+ 0, 0, 0, 0, 0, 0, 0
+};
+
+
+enum e_addressing
+{
+ zB0 = 0, zI2, zI3, zI4, zB7
+};
+
+static const UINT8 s_addressing[] =
+{
+ zB0,
+ zB0, zB0, zB0, zI4, zI4, zI4, zI4, zB0, zB0, zB7, zB7, zB0,
+ zB0, zB0, zB0, zB0, zB0, zB0, zB0, zB0, zB0, zB0, zB0,
+ zB0, zB0, zB0, zB0, zB0, zI4, zI2, zI3, zI4, zB0, zB0,
+ zB0, zB0, zI2, zB0, zB0, zB0, zB0, zB0, zI2,
+ zB0, zB0, zB0, zB0, zI4, zB0, zB0, zB0, zB0,
+ zB0, zI2, zI4, zI4, zB0, zB0, zB0, zB0,
+ zB0, zB0, zB0, zB0, zI4, zB0, zI4
+};
+
+
+
+// opcode luts
+
+static const UINT8 tms1000_mnemonic[256] =
+{
+/* 0x00 */
+ zCOMX, zA8AAC, zYNEA, zTAM, zTAMZA, zA10AAC, zA6AAC, zDAN, zTKA, zKNEZ, zTDO, zCLO, zRSTR, zSETR, zIA, zRETN, // 0
+ zLDP, zLDP, zLDP, zLDP, zLDP, zLDP, zLDP, zLDP, zLDP, zLDP, zLDP, zLDP, zLDP, zLDP, zLDP, zLDP, // 1
+ zTAMIY, zTMA, zTMY, zTYA, zTAY, zAMAAC, zMNEZ, zSAMAN, zIMAC, zALEM, zDMAN, zIYC, zDYN, zCPAIZ, zXMA, zCLA, // 2
+ zSBIT, zSBIT, zSBIT, zSBIT, zRBIT, zRBIT, zRBIT, zRBIT, zTBIT, zTBIT, zTBIT, zTBIT, zLDX2, zLDX2, zLDX2, zLDX2, // 3
+ zTCY, zTCY, zTCY, zTCY, zTCY, zTCY, zTCY, zTCY, zTCY, zTCY, zTCY, zTCY, zTCY, zTCY, zTCY, zTCY, // 4
+ zYNEC, zYNEC, zYNEC, zYNEC, zYNEC, zYNEC, zYNEC, zYNEC, zYNEC, zYNEC, zYNEC, zYNEC, zYNEC, zYNEC, zYNEC, zYNEC, // 5
+ zTCMIY, zTCMIY, zTCMIY, zTCMIY, zTCMIY, zTCMIY, zTCMIY, zTCMIY, zTCMIY, zTCMIY, zTCMIY, zTCMIY, zTCMIY, zTCMIY, zTCMIY, zTCMIY, // 6
+ zALEC, zALEC, zALEC, zALEC, zALEC, zALEC, zALEC, zALEC, zALEC, zALEC, zALEC, zALEC, zALEC, zALEC, zALEC, zALEC, // 7
+/* 0x80 */
+ zBRANCH, zBRANCH, zBRANCH, zBRANCH, zBRANCH, zBRANCH, zBRANCH, zBRANCH, zBRANCH, zBRANCH, zBRANCH, zBRANCH, zBRANCH, zBRANCH, zBRANCH, zBRANCH, // 8
+ zBRANCH, zBRANCH, zBRANCH, zBRANCH, zBRANCH, zBRANCH, zBRANCH, zBRANCH, zBRANCH, zBRANCH, zBRANCH, zBRANCH, zBRANCH, zBRANCH, zBRANCH, zBRANCH, // 9
+ zBRANCH, zBRANCH, zBRANCH, zBRANCH, zBRANCH, zBRANCH, zBRANCH, zBRANCH, zBRANCH, zBRANCH, zBRANCH, zBRANCH, zBRANCH, zBRANCH, zBRANCH, zBRANCH, // A
+ zBRANCH, zBRANCH, zBRANCH, zBRANCH, zBRANCH, zBRANCH, zBRANCH, zBRANCH, zBRANCH, zBRANCH, zBRANCH, zBRANCH, zBRANCH, zBRANCH, zBRANCH, zBRANCH, // B
+ zCALL, zCALL, zCALL, zCALL, zCALL, zCALL, zCALL, zCALL, zCALL, zCALL, zCALL, zCALL, zCALL, zCALL, zCALL, zCALL, // C
+ zCALL, zCALL, zCALL, zCALL, zCALL, zCALL, zCALL, zCALL, zCALL, zCALL, zCALL, zCALL, zCALL, zCALL, zCALL, zCALL, // D
+ zCALL, zCALL, zCALL, zCALL, zCALL, zCALL, zCALL, zCALL, zCALL, zCALL, zCALL, zCALL, zCALL, zCALL, zCALL, zCALL, // E
+ zCALL, zCALL, zCALL, zCALL, zCALL, zCALL, zCALL, zCALL, zCALL, zCALL, zCALL, zCALL, zCALL, zCALL, zCALL, zCALL // F
+/* 0 1 2 3 4 5 6 7 8 9 A B C D E F */
+};
+
+
+static const UINT8 tms1100_mnemonic[256] =
+{
+/* 0x00 */
+ zMNEA, zALEM, zYNEA, zXMA, zDYN, zIYC, zAMAAC, zDMAN, zTKA, zCOMX, zTDO, zCOMC, zRSTR, zSETR, zKNEZ, zRETN, // 0
+ zLDP, zLDP, zLDP, zLDP, zLDP, zLDP, zLDP, zLDP, zLDP, zLDP, zLDP, zLDP, zLDP, zLDP, zLDP, zLDP, // 1
+ zTAY, zTMA, zTMY, zTYA, zTAMDYN, zTAMIYC, zTAMZA, zTAM, zLDX3, zLDX3, zLDX3, zLDX3, zLDX3, zLDX3, zLDX3, zLDX3, // 2
+ zSBIT, zSBIT, zSBIT, zSBIT, zRBIT, zRBIT, zRBIT, zRBIT, zTBIT, zTBIT, zTBIT, zTBIT, zSAMAN, zCPAIZ, zIMAC, zMNEZ, // 3
+ zTCY, zTCY, zTCY, zTCY, zTCY, zTCY, zTCY, zTCY, zTCY, zTCY, zTCY, zTCY, zTCY, zTCY, zTCY, zTCY, // 4
+ zYNEC, zYNEC, zYNEC, zYNEC, zYNEC, zYNEC, zYNEC, zYNEC, zYNEC, zYNEC, zYNEC, zYNEC, zYNEC, zYNEC, zYNEC, zYNEC, // 5
+ zTCMIY, zTCMIY, zTCMIY, zTCMIY, zTCMIY, zTCMIY, zTCMIY, zTCMIY, zTCMIY, zTCMIY, zTCMIY, zTCMIY, zTCMIY, zTCMIY, zTCMIY, zTCMIY, // 6
+ zAC1AC, zAC1AC, zAC1AC, zAC1AC, zAC1AC, zAC1AC, zAC1AC, zAC1AC, zAC1AC, zAC1AC, zAC1AC, zAC1AC, zAC1AC, zAC1AC, zAC1AC, zCLA, // 7
+/* 0x80 */
+ zBRANCH, zBRANCH, zBRANCH, zBRANCH, zBRANCH, zBRANCH, zBRANCH, zBRANCH, zBRANCH, zBRANCH, zBRANCH, zBRANCH, zBRANCH, zBRANCH, zBRANCH, zBRANCH, // 8
+ zBRANCH, zBRANCH, zBRANCH, zBRANCH, zBRANCH, zBRANCH, zBRANCH, zBRANCH, zBRANCH, zBRANCH, zBRANCH, zBRANCH, zBRANCH, zBRANCH, zBRANCH, zBRANCH, // 9
+ zBRANCH, zBRANCH, zBRANCH, zBRANCH, zBRANCH, zBRANCH, zBRANCH, zBRANCH, zBRANCH, zBRANCH, zBRANCH, zBRANCH, zBRANCH, zBRANCH, zBRANCH, zBRANCH, // A
+ zBRANCH, zBRANCH, zBRANCH, zBRANCH, zBRANCH, zBRANCH, zBRANCH, zBRANCH, zBRANCH, zBRANCH, zBRANCH, zBRANCH, zBRANCH, zBRANCH, zBRANCH, zBRANCH, // B
+ zCALL, zCALL, zCALL, zCALL, zCALL, zCALL, zCALL, zCALL, zCALL, zCALL, zCALL, zCALL, zCALL, zCALL, zCALL, zCALL, // C
+ zCALL, zCALL, zCALL, zCALL, zCALL, zCALL, zCALL, zCALL, zCALL, zCALL, zCALL, zCALL, zCALL, zCALL, zCALL, zCALL, // D
+ zCALL, zCALL, zCALL, zCALL, zCALL, zCALL, zCALL, zCALL, zCALL, zCALL, zCALL, zCALL, zCALL, zCALL, zCALL, zCALL, // E
+ zCALL, zCALL, zCALL, zCALL, zCALL, zCALL, zCALL, zCALL, zCALL, zCALL, zCALL, zCALL, zCALL, zCALL, zCALL, zCALL // F
+/* 0 1 2 3 4 5 6 7 8 9 A B C D E F */
+};
+
+
+static const UINT8 tms0980_mnemonic[512] =
+{
+/* 0x000 */
+ zCOMX, zALEM, zYNEA, zXMA, zDYN, zIYC, zCLA, zDMAN, zTKA, zMNEA, zTKM, 0, 0, zSETR, zKNEZ, 0, // 0
+ zDMEA, zDNAA, zCCLA, zNDMEA, 0, zAMAAC, 0, 0, zCTMDYN, zXDA, 0, 0, 0, 0, 0, 0, // 1
+ zTBIT, zTBIT, zTBIT, zTBIT, 0, 0, 0, 0, zTAY, zTMA, zTMY, zTYA, zTAMDYN, zTAMIYC, zTAMZA, zTAM, // 2
+ zSAMAN, zCPAIZ, zIMAC, zMNEZ, 0, 0, 0, 0, zTCY, zYNEC, zTCMIY, zACACC, zACNAA, zTAMACS, zALEC, zYMCY, // 3
+ zTCY, zTCY, zTCY, zTCY, zTCY, zTCY, zTCY, zTCY, zTCY, zTCY, zTCY, zTCY, zTCY, zTCY, zTCY, zTCY, // 4
+ zYNEC, zYNEC, zYNEC, zYNEC, zYNEC, zYNEC, zYNEC, zYNEC, zYNEC, zYNEC, zYNEC, zYNEC, zYNEC, zYNEC, zYNEC, zYNEC, // 5
+ zTCMIY, zTCMIY, zTCMIY, zTCMIY, zTCMIY, zTCMIY, zTCMIY, zTCMIY, zTCMIY, zTCMIY, zTCMIY, zTCMIY, zTCMIY, zTCMIY, zTCMIY, zTCMIY, // 6
+ zACACC, zACACC, zACACC, zACACC, zACACC, zACACC, zACACC, zACACC, zACACC, zACACC, zACACC, zACACC, zACACC, zACACC, zACACC, zACACC, // 7
+/* 0x080 */
+ zLDP, zLDP, zLDP, zLDP, zLDP, zLDP, zLDP, zLDP, zLDP, zLDP, zLDP, zLDP, zLDP, zLDP, zLDP, zLDP, // 8
+ zLDX4, zLDX4, zLDX4, zLDX4, zLDX4, zLDX4, zLDX4, zLDX4, zLDX4, zLDX4, zLDX4, zLDX4, zLDX4, zLDX4, zLDX4, zLDX4, // 9
+ zSBIT, zSBIT, zSBIT, zSBIT, zRBIT, zRBIT, zRBIT, zRBIT, 0, 0, 0, 0, 0, 0, 0, 0, // A
+ zTDO, zSAL, zCOMX8, zSBL, zREAC, zSEAC, zOFF, 0, 0, 0, 0, 0, 0, 0, 0, zRETN, // B
+ zACNAA, zACNAA, zACNAA, zACNAA, zACNAA, zACNAA, zACNAA, zACNAA, zACNAA, zACNAA, zACNAA, zACNAA, zACNAA, zACNAA, zACNAA, zACNAA, // C
+ zTAMACS, zTAMACS, zTAMACS, zTAMACS, zTAMACS, zTAMACS, zTAMACS, zTAMACS, zTAMACS, zTAMACS, zTAMACS, zTAMACS, zTAMACS, zTAMACS, zTAMACS, zTAMACS, // D
+ zALEC, zALEC, zALEC, zALEC, zALEC, zALEC, zALEC, zALEC, zALEC, zALEC, zALEC, zALEC, zALEC, zALEC, zALEC, zALEC, // E
+ zYMCY, zYMCY, zYMCY, zYMCY, zYMCY, zYMCY, zYMCY, zYMCY, zYMCY, zYMCY, zYMCY, zYMCY, zYMCY, zYMCY, zYMCY, zYMCY, // F
+/* 0x100 */
+ zBRANCH, zBRANCH, zBRANCH, zBRANCH, zBRANCH, zBRANCH, zBRANCH, zBRANCH, zBRANCH, zBRANCH, zBRANCH, zBRANCH, zBRANCH, zBRANCH, zBRANCH, zBRANCH, // 0
+ zBRANCH, zBRANCH, zBRANCH, zBRANCH, zBRANCH, zBRANCH, zBRANCH, zBRANCH, zBRANCH, zBRANCH, zBRANCH, zBRANCH, zBRANCH, zBRANCH, zBRANCH, zBRANCH, // 1
+ zBRANCH, zBRANCH, zBRANCH, zBRANCH, zBRANCH, zBRANCH, zBRANCH, zBRANCH, zBRANCH, zBRANCH, zBRANCH, zBRANCH, zBRANCH, zBRANCH, zBRANCH, zBRANCH, // 2
+ zBRANCH, zBRANCH, zBRANCH, zBRANCH, zBRANCH, zBRANCH, zBRANCH, zBRANCH, zBRANCH, zBRANCH, zBRANCH, zBRANCH, zBRANCH, zBRANCH, zBRANCH, zBRANCH, // 3
+ zBRANCH, zBRANCH, zBRANCH, zBRANCH, zBRANCH, zBRANCH, zBRANCH, zBRANCH, zBRANCH, zBRANCH, zBRANCH, zBRANCH, zBRANCH, zBRANCH, zBRANCH, zBRANCH, // 4
+ zBRANCH, zBRANCH, zBRANCH, zBRANCH, zBRANCH, zBRANCH, zBRANCH, zBRANCH, zBRANCH, zBRANCH, zBRANCH, zBRANCH, zBRANCH, zBRANCH, zBRANCH, zBRANCH, // 5
+ zBRANCH, zBRANCH, zBRANCH, zBRANCH, zBRANCH, zBRANCH, zBRANCH, zBRANCH, zBRANCH, zBRANCH, zBRANCH, zBRANCH, zBRANCH, zBRANCH, zBRANCH, zBRANCH, // 6
+ zBRANCH, zBRANCH, zBRANCH, zBRANCH, zBRANCH, zBRANCH, zBRANCH, zBRANCH, zBRANCH, zBRANCH, zBRANCH, zBRANCH, zBRANCH, zBRANCH, zBRANCH, zBRANCH, // 7
+/* 0x180 */
+ zCALL, zCALL, zCALL, zCALL, zCALL, zCALL, zCALL, zCALL, zCALL, zCALL, zCALL, zCALL, zCALL, zCALL, zCALL, zCALL, // 8
+ zCALL, zCALL, zCALL, zCALL, zCALL, zCALL, zCALL, zCALL, zCALL, zCALL, zCALL, zCALL, zCALL, zCALL, zCALL, zCALL, // 9
+ zCALL, zCALL, zCALL, zCALL, zCALL, zCALL, zCALL, zCALL, zCALL, zCALL, zCALL, zCALL, zCALL, zCALL, zCALL, zCALL, // A
+ zCALL, zCALL, zCALL, zCALL, zCALL, zCALL, zCALL, zCALL, zCALL, zCALL, zCALL, zCALL, zCALL, zCALL, zCALL, zCALL, // B
+ zCALL, zCALL, zCALL, zCALL, zCALL, zCALL, zCALL, zCALL, zCALL, zCALL, zCALL, zCALL, zCALL, zCALL, zCALL, zCALL, // C
+ zCALL, zCALL, zCALL, zCALL, zCALL, zCALL, zCALL, zCALL, zCALL, zCALL, zCALL, zCALL, zCALL, zCALL, zCALL, zCALL, // D
+ zCALL, zCALL, zCALL, zCALL, zCALL, zCALL, zCALL, zCALL, zCALL, zCALL, zCALL, zCALL, zCALL, zCALL, zCALL, zCALL, // E
+ zCALL, zCALL, zCALL, zCALL, zCALL, zCALL, zCALL, zCALL, zCALL, zCALL, zCALL, zCALL, zCALL, zCALL, zCALL, zCALL // F
+/* 0 1 2 3 4 5 6 7 8 9 A B C D E F */
+};
+
+
+static const UINT8 tp0320_mnemonic[512] =
+{
+/* 0x000 */
+ 0, zALEM, zYNEA, zXMA, zDYN, zIYC, zCLA, zDMAN, zTKA, zMNEA, zTKM, 0, 0, zSETR, zKNEZ, 0, // 0
+ zDMEA, zDNAA, zCCLA, zNDMEA, 0, zAMAAC, 0, 0, zCTMDYN, zXDA, 0, 0, 0, 0, 0, 0, // 1
+ zTBIT, zTBIT, zTBIT, zTBIT, 0, 0, 0, 0, zTAY, zTMA, zTMY, zTYA, zTAMDYN, zTAMIYC, zTAMZA, zTAM, // 2
+ zSAMAN, zCPAIZ, zIMAC, zMNEZ, 0, 0, zRSTR, zYMCY, zTCY, zYNEC, zTCMIY, zACACC, zACNAA, zTAMACS, zALEC, 0, // 3
+ zTCY, zTCY, zTCY, zTCY, zTCY, zTCY, zTCY, zTCY, zTCY, zTCY, zTCY, zTCY, zTCY, zTCY, zTCY, zTCY, // 4
+ zYNEC, zYNEC, zYNEC, zYNEC, zYNEC, zYNEC, zYNEC, zYNEC, zYNEC, zYNEC, zYNEC, zYNEC, zYNEC, zYNEC, zYNEC, zYNEC, // 5
+ zTCMIY, zTCMIY, zTCMIY, zTCMIY, zTCMIY, zTCMIY, zTCMIY, zTCMIY, zTCMIY, zTCMIY, zTCMIY, zTCMIY, zTCMIY, zTCMIY, zTCMIY, zTCMIY, // 6
+ zACACC, zACACC, zACACC, zACACC, zACACC, zACACC, zACACC, zACACC, zACACC, zACACC, zACACC, zACACC, zACACC, zACACC, zACACC, zACACC, // 7
+/* 0x080 */
+ zLDP, zLDP, zLDP, zLDP, zLDP, zLDP, zLDP, zLDP, zLDP, zLDP, zLDP, zLDP, zLDP, zLDP, zLDP, zLDP, // 8
+ zLDX4, zLDX4, zLDX4, zLDX4, zLDX4, zLDX4, zLDX4, zLDX4, zLDX4, zLDX4, zLDX4, zLDX4, zLDX4, zLDX4, zLDX4, zLDX4, // 9
+ zSBIT, zSBIT, zSBIT, zSBIT, zRBIT, zRBIT, zRBIT, zRBIT, 0, 0, 0, 0, 0, 0, 0, 0, // A
+ zTDO, zSAL, zCOMX8, zSBL, zREAC, zSEAC, zOFF, 0, 0, 0, 0, 0, 0, 0, 0, zRETN, // B
+ zACNAA, zACNAA, zACNAA, zACNAA, zACNAA, zACNAA, zACNAA, zACNAA, zACNAA, zACNAA, zACNAA, zACNAA, zACNAA, zACNAA, zACNAA, zACNAA, // C
+ zTAMACS, zTAMACS, zTAMACS, zTAMACS, zTAMACS, zTAMACS, zTAMACS, zTAMACS, zTAMACS, zTAMACS, zTAMACS, zTAMACS, zTAMACS, zTAMACS, zTAMACS, zTAMACS, // D
+ zALEC, zALEC, zALEC, zALEC, zALEC, zALEC, zALEC, zALEC, zALEC, zALEC, zALEC, zALEC, zALEC, zALEC, zALEC, zALEC, // E
+ zYMCY, zYMCY, zYMCY, zYMCY, zYMCY, zYMCY, zYMCY, zYMCY, zYMCY, zYMCY, zYMCY, zYMCY, zYMCY, zYMCY, zYMCY, zYMCY, // F
+/* 0x100 */
+ zBRANCH, zBRANCH, zBRANCH, zBRANCH, zBRANCH, zBRANCH, zBRANCH, zBRANCH, zBRANCH, zBRANCH, zBRANCH, zBRANCH, zBRANCH, zBRANCH, zBRANCH, zBRANCH, // 0
+ zBRANCH, zBRANCH, zBRANCH, zBRANCH, zBRANCH, zBRANCH, zBRANCH, zBRANCH, zBRANCH, zBRANCH, zBRANCH, zBRANCH, zBRANCH, zBRANCH, zBRANCH, zBRANCH, // 1
+ zBRANCH, zBRANCH, zBRANCH, zBRANCH, zBRANCH, zBRANCH, zBRANCH, zBRANCH, zBRANCH, zBRANCH, zBRANCH, zBRANCH, zBRANCH, zBRANCH, zBRANCH, zBRANCH, // 2
+ zBRANCH, zBRANCH, zBRANCH, zBRANCH, zBRANCH, zBRANCH, zBRANCH, zBRANCH, zBRANCH, zBRANCH, zBRANCH, zBRANCH, zBRANCH, zBRANCH, zBRANCH, zBRANCH, // 3
+ zBRANCH, zBRANCH, zBRANCH, zBRANCH, zBRANCH, zBRANCH, zBRANCH, zBRANCH, zBRANCH, zBRANCH, zBRANCH, zBRANCH, zBRANCH, zBRANCH, zBRANCH, zBRANCH, // 4
+ zBRANCH, zBRANCH, zBRANCH, zBRANCH, zBRANCH, zBRANCH, zBRANCH, zBRANCH, zBRANCH, zBRANCH, zBRANCH, zBRANCH, zBRANCH, zBRANCH, zBRANCH, zBRANCH, // 5
+ zBRANCH, zBRANCH, zBRANCH, zBRANCH, zBRANCH, zBRANCH, zBRANCH, zBRANCH, zBRANCH, zBRANCH, zBRANCH, zBRANCH, zBRANCH, zBRANCH, zBRANCH, zBRANCH, // 6
+ zBRANCH, zBRANCH, zBRANCH, zBRANCH, zBRANCH, zBRANCH, zBRANCH, zBRANCH, zBRANCH, zBRANCH, zBRANCH, zBRANCH, zBRANCH, zBRANCH, zBRANCH, zBRANCH, // 7
+/* 0x180 */
+ zCALL, zCALL, zCALL, zCALL, zCALL, zCALL, zCALL, zCALL, zCALL, zCALL, zCALL, zCALL, zCALL, zCALL, zCALL, zCALL, // 8
+ zCALL, zCALL, zCALL, zCALL, zCALL, zCALL, zCALL, zCALL, zCALL, zCALL, zCALL, zCALL, zCALL, zCALL, zCALL, zCALL, // 9
+ zCALL, zCALL, zCALL, zCALL, zCALL, zCALL, zCALL, zCALL, zCALL, zCALL, zCALL, zCALL, zCALL, zCALL, zCALL, zCALL, // A
+ zCALL, zCALL, zCALL, zCALL, zCALL, zCALL, zCALL, zCALL, zCALL, zCALL, zCALL, zCALL, zCALL, zCALL, zCALL, zCALL, // B
+ zCALL, zCALL, zCALL, zCALL, zCALL, zCALL, zCALL, zCALL, zCALL, zCALL, zCALL, zCALL, zCALL, zCALL, zCALL, zCALL, // C
+ zCALL, zCALL, zCALL, zCALL, zCALL, zCALL, zCALL, zCALL, zCALL, zCALL, zCALL, zCALL, zCALL, zCALL, zCALL, zCALL, // D
+ zCALL, zCALL, zCALL, zCALL, zCALL, zCALL, zCALL, zCALL, zCALL, zCALL, zCALL, zCALL, zCALL, zCALL, zCALL, zCALL, // E
+ zCALL, zCALL, zCALL, zCALL, zCALL, zCALL, zCALL, zCALL, zCALL, zCALL, zCALL, zCALL, zCALL, zCALL, zCALL, zCALL // F
+/* 0 1 2 3 4 5 6 7 8 9 A B C D E F */
+};
+
+
+
+// disasm
+
+static const UINT8 i2_value[4] =
+{
+ 0, 2, 1, 3
+};
+
+static const UINT8 i3_value[8] =
+{
+ 0, 4, 2, 6, 1, 5, 3, 7
+};
+
+static const UINT8 i4_value[16] =
+{
+ 0x0, 0x8, 0x4, 0xc, 0x2, 0xa, 0x6, 0xe, 0x1, 0x9, 0x5, 0xd, 0x3, 0xb, 0x7, 0xf
+};
+
+static offs_t tms1k_dasm(char *dst, const UINT8 *oprom, const UINT8 *lut_mnemonic, UINT16 opcode_mask)
+{
+ // get current opcode
+ int pos = 0;
+ UINT16 op = oprom[pos++];
+ if (opcode_mask & 0x100)
+ op = (op << 8 | oprom[pos++]) & 0x1ff;
+
+ // convert to mnemonic/param
+ UINT16 instr = lut_mnemonic[op];
+ dst += sprintf(dst, "%-8s ", s_mnemonic[instr]);
+
+ switch( s_addressing[instr] )
+ {
+ case zI2:
+ dst += sprintf(dst, "%d", i2_value[op & 0x03]);
+ break;
+ case zI3:
+ dst += sprintf(dst, "%d", i3_value[op & 0x07]);
+ break;
+ case zI4:
+ dst += sprintf(dst, "%d", i4_value[op & 0x0f]);
+ break;
+ case zB7:
+ if (opcode_mask & 0x100)
+ dst += sprintf(dst, "$%02X", op << 1 & 0xfe);
+ else
+ dst += sprintf(dst, "$%02X", op & 0x3f);
+ break;
+ default:
+ break;
+ }
+
+ return pos | s_flags[instr] | DASMFLAG_SUPPORTED;
+}
+
+
+CPU_DISASSEMBLE(tms1000)
+{
+ return tms1k_dasm(buffer, oprom, tms1000_mnemonic, 0xff);
+}
+
+CPU_DISASSEMBLE(tms1100)
+{
+ return tms1k_dasm(buffer, oprom, tms1100_mnemonic, 0xff);
+}
+
+CPU_DISASSEMBLE(tms0980)
+{
+ return tms1k_dasm(buffer, oprom, tms0980_mnemonic, 0x1ff);
+}
+
+CPU_DISASSEMBLE(tp0320)
+{
+ return tms1k_dasm(buffer, oprom, tp0320_mnemonic, 0x1ff);
+}