Differences

This shows you the differences between two versions of the page.

--- notes:comporg [2020/01/23 12:47] – [Address Ranges] mfaucet2
+++ notes:comporg [2021/01/28 10:40] – wedge
@@ Line 12: / Line 12: @@
   * Questions you have that may deserve a more visual answer
-====Helpful Things====
+=====new section=====
-----
-      NOP or nop- no operation, takes two exact cycles to execute,simplest   way to "wait"
+=====new section=====
-      ; - Comment Symbol
-      SEG - Segment,
-      ORG - Basically int main(), Starting place goes after
-      lda - Load Accumulator Register (ld) load (a) Accumulator
-             - # Means Immediate
-             -
-      sta - Takes value in accumulator and stores in some memory (st) store (a) accumulator register -> address
-      inx - (in) increment (x) X register
-      jmp - Jump, unconditionally snaps to a point
-      brX - A conditional jump (bz) branch if zero (beq) branch if equal
-      % - Binary value
-      $ - Hex Value
-=====Address Ranges=====
-----
-      $0000 - $007F : TIA Registers
-      $0080 - $00FF : RAM
-      $0200 - $02FF : RIOT registers
-      $1000 - $1FFF : ROM
 =====Useful Links=====
-----
-Atari Programming for Newbies: [[https://www.randomterrain.com/atari-2600-memories-tutorial-andrew-davie-01.html | Link]]\\
-Stella's Programming Guide: [[https://alienbill.com/2600/101/docs/stella.html#tvprot | Link]]