Change serial port peripheral to match SPIM registers definition.

Still Tx only and keep 0xffffc000 base to allows single
instruction LW and SW access.

Signed-off-by: Pavel Pisa <pisa@cmp.felk.cvut.cz>

1 files changed, 3 insertions, 0 deletions

diff --git a/qtmips_machine/serialport.h b/qtmips_machine/serialport.h
index 2b14a7e..add1fe6 100644
--- a/qtmips_machine/serialport.h
+++ b/qtmips_machine/serialport.h
@@ -58,6 +58,9 @@ signals:
 public:
     bool wword(std::uint32_t address, std::uint32_t value);
     std::uint32_t rword(std::uint32_t address, bool debug_access = false) const;
+private:
+    std::uint32_t rx_st_reg;
+    std::uint32_t tx_st_reg;
 };
 
 }