work in progress

[fw/sdcc] / sim / ucsim / xa.src / inst.cc

diff --git a/sim/ucsim/xa.src/inst.cc b/sim/ucsim/xa.src/inst.cc
index 218ec440eec5399277e130653ca4fba0ee2f7750..cfb91214598f38e50ec6c62e74ca439d10840959 100644 (file)
--- a/sim/ucsim/xa.src/inst.cc
+++ b/sim/ucsim/xa.src/inst.cc
@@ -37,21 +37,21 @@ Software Foundation, 59 Temple Place - Suite 330, Boston, MA
 int
 cl_xa::get_reg(int word_flag, unsigned int index)
 {
-  if (index < 3) { /* banked */
+  //if (index < 3) { /* banked */
+  //  if (word_flag)
+  //    return get_word_direct(0x400+index);
+  //  else
+  //    return mem_direct[0x400+index];
+  //} else { /* non-banked */
     if (word_flag)
       return get_word_direct(0x400+index);
     else
       return mem_direct[0x400+index];
-  } else { /* non-banked */
-    if (word_flag)
-      return get_word_direct(0x400+index);
-    else
-      return mem_direct[0x400+index];
-  }
+  //}
 }
 
 int
-cl_xa::inst_NOP(uint code)
+cl_xa::inst_NOP(uint code, int operands)
 {
   return(resGO);
 }
@@ -62,10 +62,8 @@ cl_xa::inst_NOP(uint code)
 #define RI_07 (code & 0x7)
 
 int
-cl_xa::inst_ADD(uint code)
+cl_xa::inst_ADD(uint code, int operands)
 {
-  int operands = code >> 16;  // kludgy, param info
-
 #undef FUNC1
 #define FUNC1 add1
 #undef FUNC2
@@ -76,10 +74,8 @@ cl_xa::inst_ADD(uint code)
 }
 
 int
-cl_xa::inst_ADDC(uint code)
+cl_xa::inst_ADDC(uint code, int operands)
 {
-  int operands = code >> 16;  // kludgy, param info
-
 #undef FUNC1
 #define FUNC1 addc1
 #undef FUNC2
@@ -90,239 +86,291 @@ cl_xa::inst_ADDC(uint code)
 }
 
 int
-cl_xa::inst_SUB(uint code)
+cl_xa::inst_SUB(uint code, int operands)
 {
+#undef FUNC1
+#define FUNC1 sub1
+#undef FUNC2
+#define FUNC2 sub2
+#include "inst_gen.cc"
   return(resGO);
 }
 
 int
-cl_xa::inst_SUBB(uint code)
+cl_xa::inst_SUBB(uint code, int operands)
 {
+#undef FUNC1
+#define FUNC1 subb1
+#undef FUNC2
+#define FUNC2 subb2
+#include "inst_gen.cc"
   return(resGO);
 }
 
 int
-cl_xa::inst_CMP(uint code)
+cl_xa::inst_CMP(uint code, int operands)
 {
+#undef FUNC1
+#define FUNC1 cmp1
+#undef FUNC2
+#define FUNC2 cmp2
+#include "inst_gen.cc"
   return(resGO);
 }
 int
-cl_xa::inst_AND(uint code)
+cl_xa::inst_AND(uint code, int operands)
 {
+#undef FUNC1
+#define FUNC1 and1
+#undef FUNC2
+#define FUNC2 and2
+#include "inst_gen.cc"
   return(resGO);
 }
 int
-cl_xa::inst_OR(uint code)
+cl_xa::inst_OR(uint code, int operands)
 {
+#undef FUNC1
+#define FUNC1 or1
+#undef FUNC2
+#define FUNC2 or2
+#include "inst_gen.cc"
   return(resGO);
 }
 int
-cl_xa::inst_XOR(uint code)
+cl_xa::inst_XOR(uint code, int operands)
 {
+#undef FUNC1
+#define FUNC1 xor1
+#undef FUNC2
+#define FUNC2 xor2
+#include "inst_gen.cc"
   return(resGO);
 }
 int
-cl_xa::inst_ADDS(uint code)
+cl_xa::inst_ADDS(uint code, int operands)
 {
   return(resGO);
 }
 int
-cl_xa::inst_NEG(uint code)
+cl_xa::inst_NEG(uint code, int operands)
 {
   return(resGO);
 }
 int
-cl_xa::inst_SEXT(uint code)
+cl_xa::inst_SEXT(uint code, int operands)
 {
   return(resGO);
 }
 int
-cl_xa::inst_MUL(uint code)
+cl_xa::inst_MUL(uint code, int operands)
 {
   return(resGO);
 }
 int
-cl_xa::inst_DIV(uint code)
+cl_xa::inst_DIV(uint code, int operands)
 {
   return(resGO);
 }
 int
-cl_xa::inst_DA(uint code)
+cl_xa::inst_DA(uint code, int operands)
 {
   return(resGO);
 }
 int
-cl_xa::inst_ASL(uint code)
+cl_xa::inst_ASL(uint code, int operands)
 {
   return(resGO);
 }
 int
-cl_xa::inst_ASR(uint code)
+cl_xa::inst_ASR(uint code, int operands)
 {
   return(resGO);
 }
 int
-cl_xa::inst_LEA(uint code)
+cl_xa::inst_LEA(uint code, int operands)
 {
   return(resGO);
 }
 int
-cl_xa::inst_CPL(uint code)
+cl_xa::inst_CPL(uint code, int operands)
 {
   return(resGO);
 }
 int
-cl_xa::inst_LSR(uint code)
+cl_xa::inst_LSR(uint code, int operands)
 {
   return(resGO);
 }
 int
-cl_xa::inst_NORM(uint code)
+cl_xa::inst_NORM(uint code, int operands)
 {
   return(resGO);
 }
 int
-cl_xa::inst_RL(uint code)
+cl_xa::inst_RL(uint code, int operands)
 {
   return(resGO);
 }
 int
-cl_xa::inst_RLC(uint code)
+cl_xa::inst_RLC(uint code, int operands)
 {
   return(resGO);
 }
 int
-cl_xa::inst_RR(uint code)
+cl_xa::inst_RR(uint code, int operands)
 {
   return(resGO);
 }
 int
-cl_xa::inst_RRC(uint code)
+cl_xa::inst_RRC(uint code, int operands)
 {
   return(resGO);
 }
 int
-cl_xa::inst_MOVS(uint code)
+cl_xa::inst_MOVS(uint code, int operands)
 {
   return(resGO);
 }
 int
-cl_xa::inst_MOVC(uint code)
+cl_xa::inst_MOVC(uint code, int operands)
 {
   return(resGO);
 }
 int
-cl_xa::inst_MOVX(uint code)
+cl_xa::inst_MOVX(uint code, int operands)
 {
   return(resGO);
 }
 int
-cl_xa::inst_PUSH(uint code)
+cl_xa::inst_PUSH(uint code, int operands)
 {
   return(resGO);
 }
 int
-cl_xa::inst_POP(uint code)
+cl_xa::inst_POP(uint code, int operands)
 {
   return(resGO);
 }
 int
-cl_xa::inst_XCH(uint code)
+cl_xa::inst_XCH(uint code, int operands)
 {
   return(resGO);
 }
 int
-cl_xa::inst_SETB(uint code)
+cl_xa::inst_SETB(uint code, int operands)
 {
   return(resGO);
 }
 int
-cl_xa::inst_CLR(uint code)
+cl_xa::inst_CLR(uint code, int operands)
 {
   return(resGO);
 }
 int
-cl_xa::inst_MOV(uint code)
+cl_xa::inst_MOV(uint code, int operands)
 {
+#undef FUNC1
+#define FUNC1 mov1
+#undef FUNC2
+#define FUNC2 mov2
+#include "inst_gen.cc"
   return(resGO);
 }
 int
-cl_xa::inst_ANL(uint code)
+cl_xa::inst_ANL(uint code, int operands)
 {
   return(resGO);
 }
 int
-cl_xa::inst_ORL(uint code)
+cl_xa::inst_ORL(uint code, int operands)
 {
   return(resGO);
 }
 int
-cl_xa::inst_BR(uint code)
+cl_xa::inst_BR(uint code, int operands)
 {
   return(resGO);
 }
 int
-cl_xa::inst_JMP(uint code)
+cl_xa::inst_JMP(uint code, int operands)
 {
+  unsigned int jmpaddr;
+  short saddr;
+
+  switch(operands) {
+    case REL16:
+    {
+      saddr = fetch2();
+      jmpaddr = saddr;
+      jmpaddr *= 2;
+      PC = (PC + 3) + jmpaddr;
+    }
+    break;
+    case IREG:
+      PC = reg2(RI_07) & 0xfffe;  /* word aligned */
+    break;
+    /* fixme 2 more... */
+  }
   return(resGO);
 }
 int
-cl_xa::inst_CALL(uint code)
+cl_xa::inst_CALL(uint code, int operands)
 {
   return(resGO);
 }
 int
-cl_xa::inst_RET(uint code)
+cl_xa::inst_RET(uint code, int operands)
 {
   return(resGO);
 }
 int
-cl_xa::inst_Bcc(uint code)
+cl_xa::inst_Bcc(uint code, int operands)
 {
   return(resGO);
 }
 int
-cl_xa::inst_JB(uint code)
+cl_xa::inst_JB(uint code, int operands)
 {
   return(resGO);
 }
 int
-cl_xa::inst_JNB(uint code)
+cl_xa::inst_JNB(uint code, int operands)
 {
   return(resGO);
 }
 int
-cl_xa::inst_CJNE(uint code)
+cl_xa::inst_CJNE(uint code, int operands)
 {
   return(resGO);
 }
 int
-cl_xa::inst_DJNZ(uint code)
+cl_xa::inst_DJNZ(uint code, int operands)
 {
   return(resGO);
 }
 int
-cl_xa::inst_JZ(uint code)
+cl_xa::inst_JZ(uint code, int operands)
 {
   return(resGO);
 }
 int
-cl_xa::inst_JNZ(uint code)
+cl_xa::inst_JNZ(uint code, int operands)
 {
   return(resGO);
 }
 int
-cl_xa::inst_BKPT(uint code)
+cl_xa::inst_BKPT(uint code, int operands)
 {
   return(resGO);
 }
 int
-cl_xa::inst_TRAP(uint code)
+cl_xa::inst_TRAP(uint code, int operands)
 {
   return(resGO);
 }
 int
-cl_xa::inst_RESET(uint code)
+cl_xa::inst_RESET(uint code, int operands)
 {
   return(resGO);
 }