Initial commit

2021-02-17 13:20:30 -08:00
commit 363944d417
35 changed files with 3318 additions and 0 deletions
--- a/first/blinky.s
+++ b/first/blinky.s
@@ -0,0 +1,22 @@
+begin:
+  set r1, 128  // address of the LED
+  set r2, 0
+  set r3, 1
+  set r4, 255  // outer counter limit
+
+loop:
+  store r2, [r1]
+  add r2, r2, r3
+  set r13, loop
+
+delay:
+  set r10, 0
+  set r11, 0
+
+delay_loop:
+  add r10, r10, r3
+  bneq delay_loop  // flag will be 1 when it wraps
+  add r11, r11, r3
+  cmp r11, r4
+  bneq delay_loop
+  set pc, loop