Init serial port before using it for debug - also reinit after option rom.

Apparently, some VGA option roms will enable serial irqs - this could
    cause problems with spurious irqs from debug messages.
Also, improve debugging of option roms that fail the checksum check.

1 files changed, 1 insertions, 0 deletions

diff --git a/src/util.h b/src/util.h
index ee42f6c2..30c396aa 100644
--- a/src/util.h
+++ b/src/util.h
@@ -92,6 +92,7 @@ void __call16_int(struct bregs *callregs, u16 offset)
 #endif
 
 // output.c
+void debug_serial_setup();
 void BX_PANIC(const char *fmt, ...)
     __attribute__ ((format (printf, 1, 2)))
     __attribute__ ((noreturn));