From 9ce1e413e4d5a9f48a57b3ce357e71d62281c7c8 Mon Sep 17 00:00:00 2001
From: cuz <cuz@b7a2c559-68d2-44c3-8de9-860c34a00d81>
Date: Tue, 29 May 2001 18:11:06 +0000
Subject: [PATCH] Working on the backend

git-svn-id: svn://svn.cc65.org/cc65/trunk@767 b7a2c559-68d2-44c3-8de9-860c34a00d81
---
 src/cc65/opcodes.c | 56 ++++++++++++++++++++++++++++++++++------------
 src/cc65/opcodes.h |  8 +++++--
 2 files changed, 48 insertions(+), 16 deletions(-)

diff --git a/src/cc65/opcodes.c b/src/cc65/opcodes.c
index c6d9b35f5..bdd2dd664 100644
--- a/src/cc65/opcodes.c
+++ b/src/cc65/opcodes.c
@@ -58,6 +58,27 @@
 const OPCDesc OPCTable[OPCODE_COUNT] = {
 
     /* Opcodes for the virtual stack machine */
+    {   OPC_CALL,     	                        /* opcode */
+       	"call",       	                        /* mnemonic */
+       	0,     	       	                        /* size */
+       	REG_NONE,      	                        /* use */
+       	REG_NONE,      	                        /* chg */
+       	OF_CPU_VM | OF_CALL                     /* flags */
+    },
+    {   OPC_ENTER,     	                        /* opcode */
+       	"enter",       	                        /* mnemonic */
+       	0,     	       	                        /* size */
+       	REG_Y,      	                        /* use */
+       	REG_AXY,       	                        /* chg */
+       	OF_CPU_VM      	       	                /* flags */
+    },
+    {   OPC_JMP,     	                        /* opcode */
+       	"jump",    	                        /* mnemonic */
+       	0,     	       	                        /* size */
+       	REG_NONE,      	                        /* use */
+       	REG_NONE,                               /* chg */
+	OF_CPU_VM | OF_UBRA  	 		/* flags */
+    },
     {   OPC_LDA,      	                        /* opcode */
        	"loada",       	                        /* mnemonic */
        	0,     	       	                        /* size */
@@ -79,6 +100,20 @@ const OPCDesc OPCTable[OPCODE_COUNT] = {
        	REG_EAX,                                /* chg */
 	OF_CPU_VM | OF_LOAD   	 		/* flags */
     },
+    {   OPC_LEA,     	                        /* opcode */
+       	"lea",    	                        /* mnemonic */
+       	0,     	       	                        /* size */
+       	REG_NONE,      	                        /* use */
+       	REG_AX,                                 /* chg */
+	OF_CPU_VM 	  	 		/* flags */
+    },
+    {   OPC_LEAVE,     	                        /* opcode */
+       	"leave",    	                        /* mnemonic */
+       	0,     	       	                        /* size */
+       	REG_NONE,      	                        /* use */
+       	REG_NONE,                               /* chg */
+	OF_CPU_VM 	  	 		/* flags */
+    },
     {   OPC_PHA,     	                        /* opcode */
        	"pusha",     	                        /* mnemonic */
        	0,     	       	                        /* size */
@@ -100,6 +135,13 @@ const OPCDesc OPCTable[OPCODE_COUNT] = {
        	REG_NONE,                               /* chg */
 	OF_CPU_VM 	  	 		/* flags */
     },
+    {   OPC_SPACE,     	                        /* opcode */
+       	"space",     	                        /* mnemonic */
+       	0,     	       	                        /* size */
+       	REG_NONE,      	                        /* use */
+       	REG_NONE,                               /* chg */
+	OF_CPU_VM 	  	 		/* flags */
+    },
     {   OPC_STA,     	                        /* opcode */
        	"storea",     	                        /* mnemonic */
        	0,     	       	                        /* size */
@@ -121,20 +163,6 @@ const OPCDesc OPCTable[OPCODE_COUNT] = {
        	REG_NONE,                               /* chg */
 	OF_CPU_VM 	  	 		/* flags */
     },
-    {   OPC_LEA,     	                        /* opcode */
-       	"lea",    	                        /* mnemonic */
-       	0,     	       	                        /* size */
-       	REG_NONE,      	                        /* use */
-       	REG_AX,                                 /* chg */
-	OF_CPU_VM 	  	 		/* flags */
-    },
-    {   OPC_JMP,     	                        /* opcode */
-       	"jump",    	                        /* mnemonic */
-       	0,     	       	                        /* size */
-       	REG_NONE,      	                        /* use */
-       	REG_NONE,                               /* chg */
-	OF_CPU_VM | OF_UBRA  	 		/* flags */
-    },
 
     /* 65XX opcodes */
     {   OP65_ADC,      	                        /* opcode */
diff --git a/src/cc65/opcodes.h b/src/cc65/opcodes.h
index bd8b75e48..e5bbbb7ee 100644
--- a/src/cc65/opcodes.h
+++ b/src/cc65/opcodes.h
@@ -53,17 +53,21 @@
 typedef enum {
 
     /* Opcodes for the virtual stack machine */
+    OPC_CALL,
+    OPC_ENTER,
+    OPC_JMP,
     OPC_LDA,
     OPC_LDAX,
     OPC_LDEAX,
+    OPC_LEA,
+    OPC_LEAVE,
     OPC_PHA,
     OPC_PHAX,
     OPC_PHEAX,
+    OPC_SPACE,
     OPC_STA,
     OPC_STAX,
     OPC_STEAX,
-    OPC_LEA,
-    OPC_JMP,
 
     /* 65XX opcodes */
     OP65_ADC,