1 files changed, 23 insertions, 0 deletions
diff --git a/rand.s b/rand.s
new file mode 100644
index 0000000..c48478e
--- /dev/null
+++ b/rand.s
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+
+ .export _randi, _randl
+ .importzp sreg
+
+RANDOM = 53770 ; POKEY LFSR read address, defined in the Atari OS
+
+; void __fastcall__ randi(void);
+_randi:
+ lda #0
+ sta sreg
+ beq randl1
+
+; void __fastcall__ randl(void);
+_randl:
+ lda RANDOM
+randl1:
+ sta sreg
+ lda RANDOM
+ sta sreg+1
+ lda RANDOM
+ ldx RANDOM
+ rts
+