ft(interpreter): impl short jumps

src/instructions.rs

@@ -136,27 +136,27 @@ pub enum Mnemonic {
     // DEC
     DEC_Reg(Register),
     DEC_Mod(ModRmTarget),
-    // Jumps
-    JO(isize),
-    JNO(isize),
-    JB(isize),
-    JNB(isize),
-    JZ(isize),
-    JNZ(isize),
-    JBE(isize),
-    JA(isize),
-    JS(isize),
-    JNS(isize),
-    JPE(isize),
-    JPO(isize),
-    JL(isize),
-    JGE(isize),
-    JLE(isize),
-    JG(isize),
-    LOOPNZ(isize),
-    LOOPZ(isize),
-    LOOP(isize),
-    JCXZ(isize),
+    // Jumps conditional
+    JO(usize),
+    JNO(usize),
+    JB(usize),
+    JNB(usize),
+    JZ(usize),
+    JNZ(usize),
+    JBE(usize),
+    JA(usize),
+    JS(usize),
+    JNS(usize),
+    JPE(usize),
+    JPO(usize),
+    JL(usize),
+    JGE(usize),
+    JLE(usize),
+    JG(usize),
+    LOOPNZ(usize),
+    LOOPZ(usize),
+    LOOP(usize),
+    JCXZ(usize),
 
     // TEST
     TEST(ModRmTarget, Register),
@@ -203,13 +203,13 @@ pub enum Mnemonic {
     CWD,
     // CALL
     CALL_p(Pointer32),
-    CALL_v(isize),
+    CALL_v(usize),
     CALL_Mod(ModRmTarget),
     CALL_Mp(Pointer16),
     // JUMP
     JMP_p(Pointer32),
-    JMP_b(isize), // parses IByte, but stores as isize
-    JMP_v(isize), // parwses IWord, but stores as isize
+    JMP_b(usize), // parses IByte, but stores as isize
+    JMP_v(usize), // parwses IWord, but stores as isize
     JMP_Mod(ModRmTarget),
     JMP_Mp(Pointer16),
     // WAIT