We can print to the Screen!!!!

I also added the ASR instruction, for doing arithmetic
shifts, and have added a hello world program.

1 files changed, 6 insertions, 2 deletions

diff --git a/opcode.h b/opcode.h
index 990df5a..92d504c 100644
--- a/opcode.h
+++ b/opcode.h
@@ -69,6 +69,7 @@
 #define BVC 0xA0 /* Branch if oVerflow Clear. */
 #define DIV 0xA1 /* DIVide with accumulator. */
 #define CLV 0xA8 /* CLear oVerflow flag. */
+#define ASR 0xA9 /* Arithmetic Shift Right. */
 #define RTS 0xB0 /* ReTurn from Subroutine. */
 #define CMP 0xB1 /* CoMPare accumulator. */
 #define CPY 0xB2 /* ComPare Y register. */
@@ -232,8 +233,8 @@ static const char *opname[0x100] = {
 	[0x95] = "MUL zm",
 	OPNAME(SEV),
 	[0x99] = "LDA zm, y",
-	[0x9B] = "LDX zm, y",
-	[0x9C] = "STA zm, y",
+	[0x9B] = "STA zm, y",
+	[0x9C] = "LDX zm, y",
 	[0x9E] = "STX zm, y",
 	OPNAME(BVC),
 	[DIV] = "DIV #",
@@ -242,6 +243,9 @@ static const char *opname[0x100] = {
 	[0xA4] = "XRX zm",
 	[0xA5] = "DIV zm",
 	OPNAME(CLV),
+	[ASR] = "ASR #",
+	[0xAB] = "ASR a",
+	[0xAD] = "ASR zm",
 	OPNAME(RTS),
 	[CMP] = "CMP #",
 	[CPY] = "CPY #",