From b7b86e3a26d4bfba9c49f0a24ec030a7b3ebd8a3 Mon Sep 17 00:00:00 2001 From: "B. Watson" Date: Wed, 11 Feb 2026 13:26:57 -0500 Subject: initial commit --- src/sio.s | 17 +++++++++++++++++ 1 file changed, 17 insertions(+) create mode 100644 src/sio.s (limited to 'src/sio.s') diff --git a/src/sio.s b/src/sio.s new file mode 100644 index 0000000..3dd9191 --- /dev/null +++ b/src/sio.s @@ -0,0 +1,17 @@ + ;; Call SIO + + .export _siov + .export _rtclr + .export _cold_start + +_siov: JSR $E459 + RTS + +_rtclr: LDA #$00 + STA $12 + STA $13 + STA $14 + RTS + +_cold_start: + JMP $E477 -- cgit v1.2.3