From bb3218b53588b11aedf6b978ff9679632b7f4389 Mon Sep 17 00:00:00 2001
From: EDiasAlberto <proxamon1@gmail.com>
Date: Tue, 4 Jun 2024 03:07:00 +0100
Subject: [PATCH] add detail to assembly skeleton

---
 src/parser.c          |  7 ++++---
 src/twopassassembly.c | 28 ++++++++++++++++++++++++++++
 2 files changed, 32 insertions(+), 3 deletions(-)

diff --git a/src/parser.c b/src/parser.c
index 4961480..e944ebc 100644
--- a/src/parser.c
+++ b/src/parser.c
@@ -22,6 +22,7 @@ void classifyOpcode(char* opcode, a64inst_instruction *instr){
         instr->type = a64inst_SINGLETRANSFER;
     } else {
         //data processing
+
     }
 }
 
@@ -52,12 +53,12 @@ a64inst_instruction *parser(char asmLine[]){
     char *opcode = strtok(stringptr, " ");
     char *operands = strtok(NULL, "");
 
-    if(opcode[0]=="."){
+    if(strcmp(opcode, ".int") == 0){
         //type is directive
         //define new type in a64instr struct
-    } else if(opcode[strlen(opcode)-1]==":") {
+    } else if(strcmp(opcode[strlen(opcode)-1], ":") == 0) {
         //type is label
-        //use symbol table to assemble
+        //add to symbol table
     } else {
         //type is instruction
         int operandCount = 0;
diff --git a/src/twopassassembly.c b/src/twopassassembly.c
index 24080f3..d2536dd 100644
--- a/src/twopassassembly.c
+++ b/src/twopassassembly.c
@@ -10,3 +10,31 @@ void generateSymbolTable(a64inst_instruction instrs[], int numInstrs){
         }
     }
 }
+
+word assembleBranch(a64inst_instruction *instr){
+    word binInstr = 0;
+    switch (instr->data.BranchData.BranchType)
+    {
+    case a64inst_UNCONDITIONAL:
+        //000101
+        //25-0: sign extended simm26
+        
+        break;
+    case a64inst_REGISTER:
+        //1101011
+        //0000
+        //11111
+        //000000
+        //9-5: address from register
+        //0000
+
+        break;
+    case a64inst_CONDITIONAL:
+        // 01010100 
+        // 25-5: sign extended offset
+        // 4-0: 0{condition}
+        break;
+    default:
+        break;
+    }
+}