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-rw-r--r--hw/escc.c4
1 files changed, 4 insertions, 0 deletions
diff --git a/hw/escc.c b/hw/escc.c
index f00d354f7c..2dfe27b038 100644
--- a/hw/escc.c
+++ b/hw/escc.c
@@ -38,6 +38,10 @@
//#define DEBUG_MOUSE
/*
+ * Chipset docs:
+ * "Z80C30/Z85C30/Z80230/Z85230/Z85233 SCC/ESCC User Manual",
+ * http://www.zilog.com/docs/serial/scc_escc_um.pdf
+ *
* On Sparc32 this is the serial port, mouse and keyboard part of chip STP2001
* (Slave I/O), also produced as NCR89C105. See
* http://www.ibiblio.org/pub/historic-linux/early-ports/Sparc/NCR/NCR89C105.txt