Initial Commit

C264k/Part2/P2.1-JP0.z80

@@ -0,0 +1,9 @@
+;Pt2.1-JP0.z80
+
+org 0           ;Compile code to run at address $0000
+
+loop:           ;Label - an address referenced elsewhere in the code
+    jp loop     ;Actual Z80 code - jump to 'loop'
+    
+; https://bread80.com/2020/08/13/couch-to-64k-part-2-adding-rom-to-our-breadboard-z80-computer/
+; starts at address 0, advances to address 1, loops back to address 0

C264k/Part2/Pt2.2-Write.z80

@@ -0,0 +1,9 @@
+;Pt2.2-Write.z80
+
+org 0
+
+    ld hl,42        ;Load 42 into the HL register pair
+loop:
+    ld (hl),a       ;Load contents of the A register into the memory 
+                    ;address pointed to by HL
+    jr loop

C264k/nop.z80

@@ -0,0 +1,17 @@
+org 0
+loop:
+nop
+nop
+nop
+nop
+nop
+nop
+nop
+nop
+nop
+nop
+nop
+nop
+nop
+nop
+jp loop: