6 files changed, 59 insertions, 4 deletions
diff --git a/instructions/ADC.ts b/instructions/ADC.ts
index c8163d0..5e00f15 100644
--- a/instructions/ADC.ts
+++ b/instructions/ADC.ts
@@ -1,9 +1,11 @@
 import type The65c02 from "../65c02.ts";
 
 export default function (this: The65c02, mode: string) {
-    const addr = this.getAddr(mode);
+    const addr = this.getAddr(mode)
     this.io.address.set(addr);
-    this.read();
-    this.flagZN(this.io.data.num())
-    this.regA.set(this.io.data.num())
+    this.read()
+    const mem = this.io.data.num();
+    const result = this.regA.num() + mem
+    this.flagZCN(result);
+    this.regA.set(result & 0xFF);
 }
\ No newline at end of file
diff --git a/instructions/AND.ts b/instructions/AND.ts
new file mode 100644
index 0000000..bf44a66
--- /dev/null
+++ b/instructions/AND.ts
@@ -0,0 +1,11 @@
+import type The65c02 from "../65c02.ts";
+
+export default function (this: The65c02, mode: string) {
+    const addr = this.getAddr(mode)
+    this.io.address.set(addr);
+    this.read()
+    const mem = this.io.data.num();
+    const result = this.regA.num() & mem
+    this.flagZCN(result);
+    this.regA.set(result & 0xFF);
+}
\ No newline at end of file
diff --git a/instructions/ASL.ts b/instructions/ASL.ts
new file mode 100644
index 0000000..1f3fcbb
--- /dev/null
+++ b/instructions/ASL.ts
@@ -0,0 +1,21 @@
+import type The65c02 from "../65c02.ts";
+
+export default function (this: The65c02, mode: string) {
+    if (mode == 'implicit') {
+        const mem = this.regA.num();
+        const result = mem << 1;
+        this.negative = (mem & 128) != 0
+        this.carry = (mem & 256) != 0
+        this.regA.set(result & 0xFF);
+    } else {
+        const addr = this.getAddr(mode)
+        this.io.address.set(addr);
+        this.read()
+        const mem = this.io.data.num();
+        const result = mem << 1;
+        this.negative = (mem & 128) != 0
+        this.carry = (mem & 256) != 0
+        this.io.data.set(result & 0xFF);
+        this.write()
+    }
+}
\ No newline at end of file
diff --git a/instructions/BCC.ts b/instructions/BCC.ts
new file mode 100644
index 0000000..f2d8cc3
--- /dev/null
+++ b/instructions/BCC.ts
@@ -0,0 +1,7 @@
+import type The65c02 from "../65c02.ts";
+
+export default function (this: The65c02, mode: string) {
+    const location = this.getAddr(mode, ['relative', 'absolute']);
+    if (!this.carry)
+        this.programCounter.set(location)
+}
\ No newline at end of file
diff --git a/instructions/BCS.ts b/instructions/BCS.ts
new file mode 100644
index 0000000..6d7d984
--- /dev/null
+++ b/instructions/BCS.ts
@@ -0,0 +1,7 @@
+import type The65c02 from "../65c02.ts";
+
+export default function (this: The65c02, mode: string) {
+    const location = this.getAddr(mode, ['relative', 'absolute']);
+    if (this.carry)
+        this.programCounter.set(location)
+}
\ No newline at end of file
diff --git a/instructions/BEQ.ts b/instructions/BEQ.ts
new file mode 100644
index 0000000..d91aa63
--- /dev/null
+++ b/instructions/BEQ.ts
@@ -0,0 +1,7 @@
+import type The65c02 from "../65c02.ts";
+
+export default function (this: The65c02, mode: string) {
+    const location = this.getAddr(mode, ['relative', 'absolute']);
+    if (this.zero)
+        this.programCounter.set(location)
+}
\ No newline at end of file