Changeset 219 for branches/CpuSingleSize/UCpu.pas

Timestamp:

Oct 14, 2020, 8:04:25 PM (4 years ago)

Author:

chronos

Message:

• Added: New LDI and STI instruction for indexed access to memory.

File:

• branches/CpuSingleSize/UCpu.pas (modified) (3 diffs)

branches/CpuSingleSize/UCpu.pas

@@ -12 +12 @@
     inAdd, inSub, inIn, inOut, inJump, inJumpZero, inJumpNotZero, inPush, inPop,
     inCall, inRet, inAnd, inOr, inXor, inShl, inShr, inMul, inDiv, inMod,
-    inJumpRel);
+    inJumpRel, inLoadIndex, inStoreIndex);
 
   TInteger = Integer;
@@ -114 +114 @@
   Index: TInteger;
   Port: TInteger;
+  Dest: TInteger;
 begin
   Instruction := TInstruction(ReadNext);
@@ -207 +208 @@
       R[Index] := R[Index] mod R[ReadNext];
     end;
+    inLoadIndex: R[ReadNext] := Data[R[ReadNext] + ReadNext];
+    inStoreIndex: Data[R[ReadNext] + ReadNext] := R[ReadNext];
   end;
   Inc(Ticks);