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path: root/src/emu/cpu/f8/f8dasm.c
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Diffstat (limited to 'src/emu/cpu/f8/f8dasm.c')
-rw-r--r--src/emu/cpu/f8/f8dasm.c510
1 files changed, 510 insertions, 0 deletions
diff --git a/src/emu/cpu/f8/f8dasm.c b/src/emu/cpu/f8/f8dasm.c
new file mode 100644
index 00000000000..c8f1f4ae8b7
--- /dev/null
+++ b/src/emu/cpu/f8/f8dasm.c
@@ -0,0 +1,510 @@
+#include "cpuintrf.h"
+#include "debugger.h"
+#include "f8.h"
+
+static const char *rname[16] = {
+ "R0", "R1", "R2", "R3", "R4", "R5", "R6", "R7",
+ "R8", "J", "HU", "HL", "KU", "KL", "QU", "QL"
+};
+
+unsigned f8_dasm(char *buffer, offs_t pc, const UINT8 *oprom, const UINT8 *opram)
+{
+ unsigned size = 0;
+ UINT8 op = oprom[size++];
+
+ switch( op )
+ {
+ /* opcode bitmask */
+ case 0x00: /* 0000 0000 */
+ sprintf(buffer, "LR A,KU");
+ break;
+ case 0x01: /* 0000 0001 */
+ sprintf(buffer, "LR A,KL");
+ break;
+ case 0x02: /* 0000 0010 */
+ sprintf(buffer, "LR A,QU");
+ break;
+ case 0x03: /* 0000 0011 */
+ sprintf(buffer, "LR A,QL");
+ break;
+ case 0x04: /* 0000 0100 */
+ sprintf(buffer, "LR KU,A");
+ break;
+ case 0x05: /* 0000 0101 */
+ sprintf(buffer, "LR KL,A");
+ break;
+ case 0x06: /* 0000 0110 */
+ sprintf(buffer, "LR QU,A");
+ break;
+ case 0x07: /* 0000 0111 */
+ sprintf(buffer, "LR QL,A");
+ break;
+
+ case 0x08: /* 0000 1000 */
+ sprintf(buffer, "LR K,P");
+ break;
+ case 0x09: /* 0000 1001 */
+ sprintf(buffer, "LR P,K");
+ break;
+ case 0x0a: /* 0000 1010 */
+ sprintf(buffer, "LR A,IS");
+ break;
+ case 0x0b: /* 0000 1011 */
+ sprintf(buffer, "LR IS,A");
+ break;
+
+ case 0x0c: /* 0000 1100 */
+ sprintf(buffer, "PK") ;
+ break;
+ case 0x0d: /* 0000 1101 */
+ sprintf(buffer, "LR P0,Q");
+ break;
+ case 0x0e: /* 0000 1110 */
+ sprintf(buffer, "LR Q,DC");
+ break;
+ case 0x0f: /* 0000 1111 */
+ sprintf(buffer, "LR DC,Q");
+ break;
+ case 0x10: /* 0001 0000 */
+ sprintf(buffer, "LR DC,H");
+ break;
+ case 0x11: /* 0001 0001 */
+ sprintf(buffer, "LR H,DC");
+ break;
+ case 0x12: /* 0001 0010 */
+ sprintf(buffer, "SR 1");
+ break;
+ case 0x13: /* 0001 0011 */
+ sprintf(buffer, "SL 1");
+ break;
+ case 0x14: /* 0001 0100 */
+ sprintf(buffer, "SR 4");
+ break;
+ case 0x15: /* 0001 0101 */
+ sprintf(buffer, "SL 4");
+ break;
+ case 0x16: /* 0001 0110 */
+ sprintf(buffer, "LM") ;
+ break;
+ case 0x17: /* 0001 0111 */
+ sprintf(buffer, "ST");
+ break;
+ case 0x18: /* 0001 1000 */
+ sprintf(buffer, "COM");
+ break;
+ case 0x19: /* 0001 1001 */
+ sprintf(buffer, "LNK");
+ break;
+ case 0x1a: /* 0001 1010 */
+ sprintf(buffer, "DI");
+ break;
+ case 0x1b: /* 0001 1011 */
+ sprintf(buffer, "EI");
+ break;
+ case 0x1c: /* 0001 1100 */
+ sprintf(buffer, "POP");
+ break;
+ case 0x1d: /* 0001 1101 */
+ sprintf(buffer, "LR W,J");
+ break;
+ case 0x1e: /* 0001 1110 */
+ sprintf(buffer, "LR J,W");
+ break;
+ case 0x1f: /* 0001 1111 */
+ sprintf(buffer, "INC");
+ break;
+ case 0x20: /* 0010 0000 */
+ sprintf(buffer, "LI $%02X", oprom[size++]);
+ break;
+ case 0x21: /* 0010 0001 */
+ sprintf(buffer, "NI $%02X", oprom[size++]);
+ break;
+ case 0x22: /* 0010 0010 */
+ sprintf(buffer, "OI $%02X", oprom[size++]);
+ break;
+ case 0x23: /* 0010 0011 */
+ sprintf(buffer, "XI $%02X", oprom[size++]);
+ break;
+ case 0x24: /* 0010 0100 */
+ sprintf(buffer, "AI $%02X", oprom[size++]);
+ break;
+ case 0x25: /* 0010 0101 */
+ sprintf(buffer, "CI $%02X", oprom[size++]);
+ break;
+ case 0x26: /* 0010 0110 */
+ sprintf(buffer, "IN $%02X", oprom[size++]);
+ break;
+ case 0x27: /* 0010 0111 */
+ sprintf(buffer, "OUT $%02X", oprom[size++]);
+ break;
+ case 0x28: /* 0010 1000 */
+ sprintf(buffer, "PI $%02X$%02X", oprom[size + 0], oprom[size + 1]);
+ size += 2;
+ break;
+ case 0x29: /* 0010 1001 */
+ sprintf(buffer, "JMP $%02X$%02X", oprom[size + 0], oprom[size + 1]);
+ size += 2;
+ break;
+ case 0x2a: /* 0010 1010 */
+ sprintf(buffer, "DCI $%02X$%02X", oprom[size + 0], oprom[size + 1]);
+ size += 2;
+ break;
+ case 0x2b: /* 0010 1011 */
+ sprintf(buffer, "NOP");
+ break;
+ case 0x2c: /* 0010 1100 */
+ sprintf(buffer, "XDC");
+ break;
+ case 0x2d: /* 0010 1101 */
+ case 0x2e: /* 0010 1110 */
+ case 0x2f: /* 0010 1111 */
+ sprintf(buffer, "??? $%02X",op);
+ break;
+
+ case 0x30: /* 0011 0000 */
+ case 0x31: /* 0011 0001 */
+ case 0x32: /* 0011 0010 */
+ case 0x33: /* 0011 0011 */
+ case 0x34: /* 0011 0100 */
+ case 0x35: /* 0011 0101 */
+ case 0x36: /* 0011 0110 */
+ case 0x37: /* 0011 0111 */
+ case 0x38: /* 0011 1000 */
+ case 0x39: /* 0011 1001 */
+ case 0x3a: /* 0011 1010 */
+ case 0x3b: /* 0011 1011 */
+ sprintf(buffer, "DS %s",rname[op & 15]);
+ break;
+ case 0x3c: /* 0011 1100 */
+ sprintf(buffer, "DS (IS)");
+ break;
+ case 0x3d: /* 0011 1101 */
+ sprintf(buffer, "DS (IS++)");
+ break;
+ case 0x3e: /* 0011 1110 */
+ sprintf(buffer, "DS (IS--)");
+ break;
+ case 0x3f: /* 0011 1111 */
+ sprintf(buffer, "??? $%02X",op);
+ break;
+
+ case 0x40: /* 0100 0000 */
+ case 0x41: /* 0100 0001 */
+ case 0x42: /* 0100 0010 */
+ case 0x43: /* 0100 0011 */
+ case 0x44: /* 0100 0100 */
+ case 0x45: /* 0100 0101 */
+ case 0x46: /* 0100 0110 */
+ case 0x47: /* 0100 0111 */
+ case 0x48: /* 0100 1000 */
+ case 0x49: /* 0100 1001 */
+ case 0x4a: /* 0100 1010 */
+ case 0x4b: /* 0100 1011 */
+ sprintf(buffer, "LR A,%s",rname[op & 15]);
+ break;
+ case 0x4c: /* 0100 1100 */
+ sprintf(buffer, "LR A,(IS)");
+ break;
+ case 0x4d: /* 0100 1101 */
+ sprintf(buffer, "LR A,(IS++)");
+ break;
+ case 0x4e: /* 0100 1110 */
+ sprintf(buffer, "LR A,(IS--)");
+ break;
+ case 0x4f: /* 0100 1111 */
+ sprintf(buffer, "??? $%02X",op);
+ break;
+
+ case 0x50: /* 0101 0000 */
+ case 0x51: /* 0101 0001 */
+ case 0x52: /* 0101 0010 */
+ case 0x53: /* 0101 0011 */
+ case 0x54: /* 0101 0100 */
+ case 0x55: /* 0101 0101 */
+ case 0x56: /* 0101 0110 */
+ case 0x57: /* 0101 0111 */
+ case 0x58: /* 0101 1000 */
+ case 0x59: /* 0101 1001 */
+ case 0x5a: /* 0101 1010 */
+ case 0x5b: /* 0101 1011 */
+ sprintf(buffer, "LR %s,A",rname[op & 15]);
+ break;
+ case 0x5c: /* 0101 1100 */
+ sprintf(buffer, "LR (IS),A");
+ break;
+ case 0x5d: /* 0101 1101 */
+ sprintf(buffer, "LR (IS++),A");
+ break;
+ case 0x5e: /* 0101 1110 */
+ sprintf(buffer, "LR (IS--),A");
+ break;
+ case 0x5f: /* 0101 1111 */
+ sprintf(buffer, "??? $%02X",op);
+ break;
+
+ case 0x60: /* 0110 0000 */
+ case 0x61: /* 0110 0001 */
+ case 0x62: /* 0110 0010 */
+ case 0x63: /* 0110 0011 */
+ case 0x64: /* 0110 0100 */
+ case 0x65: /* 0110 0101 */
+ case 0x66: /* 0110 0110 */
+ case 0x67: /* 0110 0111 */
+ sprintf(buffer, "LISU $%02X", op & 0x07);
+ break;
+ case 0x68: /* 0110 1000 */
+ case 0x69: /* 0110 1001 */
+ case 0x6a: /* 0110 1010 */
+ case 0x6b: /* 0110 1011 */
+ case 0x6c: /* 0110 1100 */
+ case 0x6d: /* 0110 1101 */
+ case 0x6e: /* 0110 1110 */
+ case 0x6f: /* 0110 1111 */
+ sprintf(buffer, "LISL $%02X", op & 0x07);
+ break;
+
+ case 0x70: /* 0111 0000 */
+ case 0x71: /* 0111 0001 */
+ case 0x72: /* 0111 0010 */
+ case 0x73: /* 0111 0011 */
+ case 0x74: /* 0111 0100 */
+ case 0x75: /* 0111 0101 */
+ case 0x76: /* 0111 0110 */
+ case 0x77: /* 0111 0111 */
+ case 0x78: /* 0111 1000 */
+ case 0x79: /* 0111 1001 */
+ case 0x7a: /* 0111 1010 */
+ case 0x7b: /* 0111 1011 */
+ case 0x7c: /* 0111 1100 */
+ case 0x7d: /* 0111 1101 */
+ case 0x7e: /* 0111 1110 */
+ case 0x7f: /* 0111 1111 */
+ sprintf(buffer, "LIS $%02X", op & 0x0f);
+ break;
+
+ case 0x80: /* 1000 0000 */
+ case 0x81: /* 1000 0001 */
+ case 0x82: /* 1000 0010 */
+ case 0x83: /* 1000 0011 */
+ case 0x84: /* 1000 0100 */
+ case 0x85: /* 1000 0101 */
+ case 0x86: /* 1000 0110 */
+ case 0x87: /* 1000 0111 */
+ sprintf(buffer, "BT $%02X,$%04X", oprom[size + 0], pc + (INT8)oprom[size + 1]);
+ size += 2;
+ break;
+
+ case 0x88: /* 1000 1000 */
+ sprintf(buffer, "AM");
+ break;
+
+ case 0x89: /* 1000 1001 */
+ sprintf(buffer, "AMD");
+ break;
+
+ case 0x8a: /* 1000 1010 */
+ sprintf(buffer, "NM");
+ break;
+
+ case 0x8b: /* 1000 1011 */
+ sprintf(buffer, "OM");
+ break;
+
+ case 0x8c: /* 1000 1100 */
+ sprintf(buffer, "XM");
+ break;
+
+ case 0x8d: /* 1000 1101 */
+ sprintf(buffer, "CM");
+ break;
+
+ case 0x8e: /* 1000 1110 */
+ sprintf(buffer, "ADC");
+ break;
+
+ case 0x8f: /* 1000 1111 */
+ sprintf(buffer, "BR7 $%04X", pc + (INT8)oprom[size++]);
+ break;
+
+ case 0x90: /* 1001 0000 */
+ case 0x91: /* 1001 0001 */
+ case 0x92: /* 1001 0010 */
+ case 0x93: /* 1001 0011 */
+ case 0x94: /* 1001 0100 */
+ case 0x95: /* 1001 0101 */
+ case 0x96: /* 1001 0110 */
+ case 0x97: /* 1001 0111 */
+ case 0x98: /* 1001 1000 */
+ case 0x99: /* 1001 1001 */
+ case 0x9a: /* 1001 1010 */
+ case 0x9b: /* 1001 1011 */
+ case 0x9c: /* 1001 1100 */
+ case 0x9d: /* 1001 1101 */
+ case 0x9e: /* 1001 1110 */
+ case 0x9f: /* 1001 1111 */
+ sprintf(buffer, "BF $%02X,$%04X", op & 0x0f, pc + (INT8)oprom[size++]);
+ break;
+
+ case 0xa0: /* 1010 0000 */
+ case 0xa1: /* 1010 0001 */
+ sprintf(buffer, "INS $%02X", (unsigned) (INT8) (op & 0x0F));
+ break;
+
+ case 0xa2: /* 1010 0010 */
+ case 0xa3: /* 1010 0011 */
+ sprintf(buffer, "??? $%02X\n", op);
+ break;
+
+ case 0xa4: /* 1010 0100 */
+ case 0xa5: /* 1010 0101 */
+ case 0xa6: /* 1010 0110 */
+ case 0xa7: /* 1010 0111 */
+ case 0xa8: /* 1010 1000 */
+ case 0xa9: /* 1010 1001 */
+ case 0xaa: /* 1010 1010 */
+ case 0xab: /* 1010 1011 */
+ case 0xac: /* 1010 1100 */
+ case 0xad: /* 1010 1101 */
+ case 0xae: /* 1010 1110 */
+ case 0xaf: /* 1010 1111 */
+ sprintf(buffer, "INS $%02X", (INT8) op & 0x0f);
+ break;
+
+ case 0xb0: /* 1011 0000 */
+ case 0xb1: /* 1011 0001 */
+ sprintf(buffer, "OUTS $%02X", (INT8) op & 0x0f);
+ break;
+
+ case 0xb2: /* 1011 0010 */
+ case 0xb3: /* 1011 0011 */
+ sprintf(buffer, "??? $%02X\n", op);
+ break;
+
+ case 0xb4: /* 1011 0100 */
+ case 0xb5: /* 1011 0101 */
+ case 0xb6: /* 1011 0110 */
+ case 0xb7: /* 1011 0111 */
+ case 0xb8: /* 1011 1000 */
+ case 0xb9: /* 1011 1001 */
+ case 0xba: /* 1011 1010 */
+ case 0xbb: /* 1011 1011 */
+ case 0xbc: /* 1011 1100 */
+ case 0xbd: /* 1011 1101 */
+ case 0xbe: /* 1011 1110 */
+ case 0xbf: /* 1011 1111 */
+ sprintf(buffer, "OUTS $%02X", (unsigned) (INT8) op & 0x0f);
+ break;
+
+ case 0xc0: /* 1100 0000 */
+ case 0xc1: /* 1100 0001 */
+ case 0xc2: /* 1100 0010 */
+ case 0xc3: /* 1100 0011 */
+ case 0xc4: /* 1100 0100 */
+ case 0xc5: /* 1100 0101 */
+ case 0xc6: /* 1100 0110 */
+ case 0xc7: /* 1100 0111 */
+ case 0xc8: /* 1100 1000 */
+ case 0xc9: /* 1100 1001 */
+ case 0xca: /* 1100 1010 */
+ case 0xcb: /* 1100 1011 */
+ sprintf(buffer, "AS %s", rname[op & 15]);
+ break;
+ case 0xcc: /* 1100 1100 */
+ sprintf(buffer, "AS (IS)");
+ break;
+ case 0xcd: /* 1100 1101 */
+ sprintf(buffer, "AS (IS++)");
+ break;
+ case 0xce: /* 1100 1110 */
+ sprintf(buffer, "AS (IS--)");
+ break;
+ case 0xcf: /* 1100 1111 */
+ sprintf(buffer, "??? $%02X\n", op);
+ break;
+
+ case 0xd0: /* 1101 0000 */
+ case 0xd1: /* 1101 0001 */
+ case 0xd2: /* 1101 0010 */
+ case 0xd3: /* 1101 0011 */
+ case 0xd4: /* 1101 0100 */
+ case 0xd5: /* 1101 0101 */
+ case 0xd6: /* 1101 0110 */
+ case 0xd7: /* 1101 0111 */
+ case 0xd8: /* 1101 1000 */
+ case 0xd9: /* 1101 1001 */
+ case 0xda: /* 1101 1010 */
+ case 0xdb: /* 1101 1011 */
+ sprintf(buffer, "ASD %s", rname[op & 15]);
+ break;
+ case 0xdc: /* 1101 1100 */
+ sprintf(buffer, "ASD (IS)");
+ break;
+ case 0xdd: /* 1101 1101 */
+ sprintf(buffer, "ASD (IS++)");
+ break;
+ case 0xde: /* 1101 1110 */
+ sprintf(buffer, "ASD (IS--)");
+ break;
+ case 0xdf: /* 1101 1111 */
+ sprintf(buffer, "??? $%02X\n", op);
+ break;
+
+ case 0xe0: /* 1110 0000 */
+ case 0xe1: /* 1110 0001 */
+ case 0xe2: /* 1110 0010 */
+ case 0xe3: /* 1110 0011 */
+ case 0xe4: /* 1110 0100 */
+ case 0xe5: /* 1110 0101 */
+ case 0xe6: /* 1110 0110 */
+ case 0xe7: /* 1110 0111 */
+ case 0xe8: /* 1110 1000 */
+ case 0xe9: /* 1110 1001 */
+ case 0xea: /* 1110 1010 */
+ case 0xeb: /* 1110 1011 */
+ sprintf(buffer, "XS %s", rname[op & 15]);
+ break;
+ case 0xec: /* 1110 1100 */
+ sprintf(buffer, "XS (IS)");
+ break;
+ case 0xed: /* 1110 1101 */
+ sprintf(buffer, "XS (IS++)");
+ break;
+ case 0xee: /* 1110 1110 */
+ sprintf(buffer, "XS (IS--)");
+ break;
+ case 0xef: /* 1110 1111 */
+ sprintf(buffer, "??? $%02X\n", op);
+ break;
+
+
+ case 0xf0: /* 1111 0000 */
+ case 0xf1: /* 1111 0001 */
+ case 0xf2: /* 1111 0010 */
+ case 0xf3: /* 1111 0011 */
+ case 0xf4: /* 1111 0100 */
+ case 0xf5: /* 1111 0101 */
+ case 0xf6: /* 1111 0110 */
+ case 0xf7: /* 1111 0111 */
+ case 0xf8: /* 1111 1000 */
+ case 0xf9: /* 1111 1001 */
+ case 0xfa: /* 1111 1010 */
+ case 0xfb: /* 1111 1011 */
+ sprintf(buffer, "NS %s", rname[op & 15]);
+ break;
+ case 0xfc: /* 1111 1100 */
+ sprintf(buffer, "NS (IS)");
+ break;
+ case 0xfd: /* 1111 1101 */
+ sprintf(buffer, "NS (IS++)");
+ break;
+ case 0xfe: /* 1111 1110 */
+ sprintf(buffer, "NS (IS--)");
+ break;
+ case 0xff: /* 1111 1111 */
+ sprintf(buffer, "??? $%02X\n", op);
+ break;
+ }
+
+ return size;
+}
+