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[cc65] / src / cc65 / opcodes.c
diff --git a/src/cc65/opcodes.c b/src/cc65/opcodes.c
index fa8b1d5751233f274676565cfe5dd5f591c512d9..55afbe7257aef603b971858787395274d2130320 100644 (file)
--- a/src/cc65/opcodes.c
+++ b/src/cc65/opcodes.c
@@ -6,7 +6,7 @@
 /*                                                                           */
 /*                                                                           */
 /*                                                                           */
-/* (C) 2001      Ullrich von Bassewitz                                       */
+/* (C) 2001-2002 Ullrich von Bassewitz                                       */
 /*               Wacholderweg 14                                             */
 /*               D-70597 Stuttgart                                           */
 /* EMail:        uz@cc65.org                                                 */
@@ -75,8 +75,8 @@ const OPCDesc OPCTable[OPCODE_COUNT] = {
     {   OP65_ASL,                                      /* opcode */
                "asl",                                  /* mnemonic */
                0,                                      /* size */
-               REG_A,                                  /* use */
-               REG_A,                                  /* chg */
+               REG_NONE,                               /* use */
+               REG_NONE,                               /* chg */
        OF_SETF                                 /* flags */
     },
     {   OP65_BCC,                                      /* opcode */
@@ -189,21 +189,21 @@ const OPCDesc OPCTable[OPCODE_COUNT] = {
                0,                                      /* size */
                REG_A,                                  /* use */
                REG_NONE,                               /* chg */
-       OF_SETF                                 /* flags */
+               OF_SETF | OF_CMP                        /* flags */
     },
     {   OP65_CPX,                                      /* opcode */
                "cpx",                                  /* mnemonic */
                0,                                      /* size */
                REG_X,                                  /* use */
                REG_NONE,                               /* chg */
-       OF_SETF                                 /* flags */
+       OF_SETF | OF_CMP                        /* flags */
     },
     {   OP65_CPY,                                      /* opcode */
                "cpy",                                  /* mnemonic */
                0,                                      /* size */
                REG_Y,                                  /* use */
                REG_NONE,                               /* chg */
-       OF_SETF                                 /* flags */
+       OF_SETF | OF_CMP                        /* flags */
     },
     {   OP65_DEA,                                      /* opcode */
                "dea",                                  /* mnemonic */
@@ -362,8 +362,8 @@ const OPCDesc OPCTable[OPCODE_COUNT] = {
     {   OP65_LSR,                                      /* opcode */
                "lsr",                                  /* mnemonic */
                0,                                      /* size */
-               REG_A,                                  /* use */
-               REG_A,                                  /* chg */
+               REG_NONE,                               /* use */
+               REG_NONE,                               /* chg */
        OF_SETF                                 /* flags */
     },
     {   OP65_NOP,                                      /* opcode */
@@ -406,7 +406,7 @@ const OPCDesc OPCTable[OPCODE_COUNT] = {
                1,                                      /* size */
                REG_Y,                                  /* use */
                REG_NONE,                               /* chg */
-       OF_NONE                                 /* flags */
+       OF_NONE                                 /* flags */
     },
     {   OP65_PLA,                                      /* opcode */
                "pla",                                  /* mnemonic */
@@ -439,16 +439,16 @@ const OPCDesc OPCTable[OPCODE_COUNT] = {
     {   OP65_ROL,                                      /* opcode */
                "rol",                                  /* mnemonic */
                0,                                      /* size */
-               REG_A,                                  /* use */
-               REG_A,                                  /* chg */
-       OF_SETF                                 /* flags */
+               REG_NONE,                               /* use */
+               REG_NONE,                               /* chg */
+       OF_SETF                                 /* flags */
     },
     {   OP65_ROR,                                      /* opcode */
                "ror",                                  /* mnemonic */
                0,                                      /* size */
-               REG_A,                                  /* use */
-               REG_A,                                  /* chg */
-       OF_SETF                                 /* flags */
+               REG_NONE,                               /* use */
+               REG_NONE,                               /* chg */
+       OF_SETF                                 /* flags */
     },
     {   OP65_RTI,                                      /* opcode */
                "rti",                                  /* mnemonic */
@@ -513,6 +513,13 @@ const OPCDesc OPCTable[OPCODE_COUNT] = {
                REG_NONE,                               /* chg */
        OF_STORE                                /* flags */
     },
+    {   OP65_STZ,                                      /* opcode */
+               "stz",                                  /* mnemonic */
+               0,                                      /* size */
+               REG_NONE,                               /* use */
+               REG_NONE,                               /* chg */
+       OF_STORE                                /* flags */
+    },
     {   OP65_TAX,                                      /* opcode */
                "tax",                                  /* mnemonic */
                1,                                      /* size */
@@ -581,7 +588,7 @@ const OPCDesc OPCTable[OPCODE_COUNT] = {
 
 static int FindCmp (const void* Key, const void* Desc)
 /* Compare function for FindOpcode */
-{                                              
+{
     return strcmp (Key, ((OPCDesc*)Desc)->Mnemo);
 }
 
@@ -675,16 +682,16 @@ opc_t GetInverseBranch (opc_t OPC)
        case OP65_BMI:  return OP65_BPL;
        case OP65_BNE:  return OP65_BEQ;
        case OP65_BPL:  return OP65_BMI;
-       case OP65_BVC:          return OP65_BVS;
+               case OP65_BVC:  return OP65_BVS;
        case OP65_BVS:  return OP65_BVC;
-               case OP65_JCC:          return OP65_JCS;
-               case OP65_JCS:          return OP65_JCC;
-               case OP65_JEQ:          return OP65_JNE;
-               case OP65_JMI:          return OP65_JPL;
-               case OP65_JNE:          return OP65_JEQ;
-               case OP65_JPL:          return OP65_JMI;
-               case OP65_JVC:          return OP65_JVS;
-               case OP65_JVS:          return OP65_JVC;
+               case OP65_JCC:  return OP65_JCS;
+               case OP65_JCS:  return OP65_JCC;
+               case OP65_JEQ:  return OP65_JNE;
+               case OP65_JMI:  return OP65_JPL;
+               case OP65_JNE:  return OP65_JEQ;
+               case OP65_JPL:  return OP65_JMI;
+               case OP65_JVC:  return OP65_JVS;
+               case OP65_JVS:  return OP65_JVC;
        default:
            Internal ("GetInverseBranch: Invalid opcode: %d", OPC);
            return 0;
@@ -700,21 +707,21 @@ opc_t MakeShortBranch (opc_t OPC)
 {
     switch (OPC) {
                case OP65_BCC:
-               case OP65_JCC:          return OP65_BCC;
+               case OP65_JCC:  return OP65_BCC;
                case OP65_BCS:
-               case OP65_JCS:          return OP65_BCS;
+               case OP65_JCS:  return OP65_BCS;
                case OP65_BEQ:
-               case OP65_JEQ:          return OP65_BEQ;
+               case OP65_JEQ:  return OP65_BEQ;
                case OP65_BMI:
-               case OP65_JMI:          return OP65_BMI;
+               case OP65_JMI:  return OP65_BMI;
                case OP65_BNE:
-               case OP65_JNE:          return OP65_BNE;
+               case OP65_JNE:  return OP65_BNE;
                case OP65_BPL:
-               case OP65_JPL:          return OP65_BPL;
+               case OP65_JPL:  return OP65_BPL;
                case OP65_BVC:
-               case OP65_JVC:          return OP65_BVC;
+               case OP65_JVC:  return OP65_BVC;
                case OP65_BVS:
-               case OP65_JVS:          return OP65_BVS;
+               case OP65_JVS:  return OP65_BVS;
                case OP65_BRA:
        case OP65_JMP:  return (CPU == CPU_65C02)? OP65_BRA : OP65_JMP;
                default:
@@ -732,23 +739,23 @@ opc_t MakeLongBranch (opc_t OPC)
 {
     switch (OPC) {
                case OP65_BCC:
-               case OP65_JCC:          return OP65_JCC;
+               case OP65_JCC:  return OP65_JCC;
                case OP65_BCS:
-               case OP65_JCS:          return OP65_JCS;
+               case OP65_JCS:  return OP65_JCS;
                case OP65_BEQ:
-               case OP65_JEQ:          return OP65_JEQ;
+               case OP65_JEQ:  return OP65_JEQ;
                case OP65_BMI:
-               case OP65_JMI:          return OP65_JMI;
+               case OP65_JMI:  return OP65_JMI;
                case OP65_BNE:
-               case OP65_JNE:          return OP65_JNE;
+               case OP65_JNE:  return OP65_JNE;
                case OP65_BPL:
-               case OP65_JPL:          return OP65_JPL;
+               case OP65_JPL:  return OP65_JPL;
                case OP65_BVC:
-               case OP65_JVC:          return OP65_JVC;
+               case OP65_JVC:  return OP65_JVC;
                case OP65_BVS:
-               case OP65_JVS:          return OP65_JVS;
+               case OP65_JVS:  return OP65_JVS;
        case OP65_BRA:
-       case OP65_JMP:  return OP65_JMP;
+       case OP65_JMP:  return OP65_JMP;
                default:
            Internal ("MakeLongBranch: Invalid opcode: %d", OPC);
            return 0;
@@ -761,22 +768,22 @@ bc_t GetBranchCond (opc_t OPC)
 /* Get the condition for the conditional branch in OPC */
 {
     switch (OPC) {
-               case OP65_BCC:          return BC_CC;
-               case OP65_BCS:          return BC_CS;
-               case OP65_BEQ:          return BC_EQ;
-               case OP65_BMI:          return BC_MI;
-               case OP65_BNE:          return BC_NE;
-               case OP65_BPL:          return BC_PL;
-               case OP65_BVC:          return BC_VC;
-               case OP65_BVS:          return BC_VS;
-               case OP65_JCC:          return BC_CC;
-               case OP65_JCS:          return BC_CS;
-               case OP65_JEQ:          return BC_EQ;
-               case OP65_JMI:          return BC_MI;
-               case OP65_JNE:          return BC_NE;
-               case OP65_JPL:          return BC_PL;
-               case OP65_JVC:          return BC_VC;
-               case OP65_JVS:          return BC_VS;
+               case OP65_BCC:  return BC_CC;
+               case OP65_BCS:  return BC_CS;
+               case OP65_BEQ:  return BC_EQ;
+               case OP65_BMI:  return BC_MI;
+               case OP65_BNE:  return BC_NE;
+               case OP65_BPL:  return BC_PL;
+               case OP65_BVC:  return BC_VC;
+               case OP65_BVS:  return BC_VS;
+               case OP65_JCC:  return BC_CC;
+               case OP65_JCS:  return BC_CS;
+               case OP65_JEQ:  return BC_EQ;
+               case OP65_JMI:  return BC_MI;
+               case OP65_JNE:  return BC_NE;
+               case OP65_JPL:  return BC_PL;
+               case OP65_JVC:  return BC_VC;
+               case OP65_JVS:  return BC_VS;
        default:
            Internal ("GetBranchCond: Invalid opcode: %d", OPC);
            return 0;
@@ -805,3 +812,4 @@ bc_t GetInverseCond (bc_t BC)
 
 
 
+
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