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authorwires <wires@noreply.wires.systems>2025-10-06 06:28:30 -0400
committerwires <wires@noreply.wires.systems>2025-10-06 06:28:30 -0400
commit1c46ca6ce695769fbb8357c0201fb2119ea57d66 (patch)
tree568d2043c3dc9866105e44560c9f72b322df007f
parentblocking serial messages (diff)
downloadzosimos-1c46ca6ce695769fbb8357c0201fb2119ea57d66.tar.gz
oops
-rw-r--r--src/mini_uart.zig2
1 files changed, 1 insertions, 1 deletions
diff --git a/src/mini_uart.zig b/src/mini_uart.zig
index 265268d..6f15031 100644
--- a/src/mini_uart.zig
+++ b/src/mini_uart.zig
@@ -41,7 +41,7 @@ fn baudRegVal(baud: comptime_int) comptime_int {
 }
 
 fn writeByte(b: u8) void {
-    while ((mmio.read(LSR) & 0x10) != 0) {}
+    while ((mmio.read(LSR) & 0x20) == 0) {}
     mmio.write(IO, b);
 }