uart: WTF

[calu.git] / 2_isa / src / bootrom.s

diff --git a/2_isa/src/bootrom.s b/2_isa/src/bootrom.s
index d38e1854527f517791893b82811e21e057a93780..3f596c5ca0d54c69307bf6853b7f7a8d5eef2f14 100644 (file)
--- a/2_isa/src/bootrom.s
+++ b/2_isa/src/bootrom.s
@@ -112,6 +112,8 @@ bootrom:
 bt_H:
        ldi r1, 0x4f ; 'O'
        call send_byte
+       xor r1, r1, r1
+       ldi r1, 0x41 ; 'A'
        call send_byte
        br bootrom