Working debugger, non-working programmer and lcd test procedure with lcd mapped in memory

assembly/hd44780_lcd_test_procedure.asm

@@ -0,0 +1,40 @@
+;hd44780 lcd test procedure
+
+ld hl,$4000     ;address reg points to lcd instruction address
+
+;reset procedure
+ld a,%00111000
+ld (hl),a
+ld a,%00001000
+ld (hl),a
+ld a,%00000001
+ld (hl),a
+
+;init procedure
+ld a,%00111000
+ld (hl),a
+ld a,%00001110
+ld (hl),a
+
+;write characters to display
+ld hl,$4001     ;address reg points to lcd data address
+
+ld a,%01000100
+ld (hl),a
+ld a,%01100001
+ld (hl),a
+ld a,%01101110
+ld (hl),a
+ld a,%01101001
+ld (hl),a
+ld a,%01100101
+ld (hl),a
+ld a,%01101100
+ld (hl),a
+ld a,%01100101
+ld (hl),a
+ld a,%00100001
+ld (hl),a
+
+halt
+