URL
https://opencores.org/ocsvn/cpu_lecture/cpu_lecture/trunk
Subversion Repositories cpu_lecture
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- from Rev 21 to Rev 22
- ↔ Reverse comparison
Rev 21 → Rev 22
/cpu_lecture/trunk/src/io.vhd
144,12 → 144,15
L_TX_INT_ENABLED <= '0'; |
elsif (I_WE_IO = '1') then |
case I_ADR_IO is |
when X"38" => Q_7_SEGMENT <= I_DIN(6 downto 0); -- PORTB |
when X"38" => -- PORTB |
Q_7_SEGMENT <= I_DIN(6 downto 0); |
L_LEDS <= not L_LEDS; |
when X"40" => -- handled by uart |
when X"41" => -- handled by uart |
when X"43" => L_RX_INT_ENABLED <= I_DIN(0); |
L_TX_INT_ENABLED <= I_DIN(1); |
when X"2A" => -- UCSRB |
L_RX_INT_ENABLED <= I_DIN(7); |
L_TX_INT_ENABLED <= I_DIN(6); |
when X"2B" => -- UCSRA: handled by uart |
when X"2C" => -- UDR: handled by uart |
when X"40" => -- UCSRC/UBRRH: (ignored) |
when others => |
end case; |
end if; |