killed push/pop

ka/main.k

@@ -5,6 +5,8 @@
 ; Main function
 ;
 main:
+    mov rbx, 10
+    lea rax, b[rbx + -1]
     ret
 
 stosb_test:

vm/in/INSTRS

@@ -308,32 +308,6 @@ cmpxchg rm rim
 # Stack manipulation instructions                                           #
 #---------------------------------------------------------------------------#
 
-#
-# PUSH value onto stack
-#
-#       RSP = RSP - 8
-#       *RSP = $1
-#
-# Throws:
-#       #STA if RBP MOD 8 > 0
-#       #STA if RSP MOD 8 > 0
-#       #STU if RSP > RBP
-#
-push rim
-
-#
-# POP value from stack
-#
-#       $1 = *RSP
-#       RSP = RSP + 8
-#
-# Throws:
-#       #STA if RBP MOD 8 > 0
-#       #STA if RSP MOD 8 > 0
-#       #STU if RSP >= RBP
-#
-pop rm
-
 #
 # Unconditional jump with possible return (CALL)
 #
@@ -503,9 +477,6 @@ movsb r r
 # Supervisor only instructions                                              #
 #---------------------------------------------------------------------------#
 
-pushf
-popf
-
 #
 # Call an architecture-reserved function slot of device (DEVCTL)
 #
@@ -632,4 +603,34 @@ cla
 cln
 
 #---------------------------------------------------------------------------#
+# Deprecated and deleted instruction                                        #
+#---------------------------------------------------------------------------#
+
+#
+# PUSH value onto stack
+#
+#       RSP = RSP - 8
+#       *RSP = $1
+#
+# Throws:
+#       #STA if RBP MOD 8 > 0
+#       #STA if RSP MOD 8 > 0
+#       #STU if RSP > RBP
+#
+!push rim
+
+#
+# POP value from stack
+#
+#       $1 = *RSP
+#       RSP = RSP + 8
+#
+# Throws:
+#       #STA if RBP MOD 8 > 0
+#       #STA if RSP MOD 8 > 0
+#       #STU if RSP >= RBP
+#
+!pop rm
+
+#---------------------------------------------------------------------------#
 

vm/in/arch_i.py

@@ -50,8 +50,9 @@ for _, line in enumerate(fi):
 
     cond = False
     if tok[0][0] == '!':
-        assert(len(tok[0]) > 1)
+        #assert(len(tok[0]) > 1)
-        tok[0] = tok[0][1:]
+        #tok[0] = tok[0][1:]
+        continue
 
     i = tok[0].strip()
 

vm/pc/decd.c

@@ -239,7 +239,8 @@ void extract_param(ctx_t *ctx, acc_t *p, uchar fmt)
                 p->imm2 = 0;
             }
 
-            p->addr = R(p->reg1) + R(p->reg2) * p->imm1 + p->imm2;
+            p->addr = R(p->reg1) + R(p->reg2) * p->imm1
+                        + (long)(short)p->imm2;
             
             break;