RELEASE V0.9.1

Works with more HDMI monitors, frame grabbers, HDMI switches, etc. MiSTer2MEGA65 was not compliant to section 4.2.7 of the HDMI specification version 1.4b: It did not assert the +5V power signal. Now it does assert the +5 power signal via the FPGA pin `ct_hpd`.

Author: sy2002

CORE/CORE-R3.xdc

@@ -204,6 +204,15 @@ set_property -dict {PACKAGE_PIN AB3  IOSTANDARD TMDS_33}  [get_ports {tmds_data_
 set_property -dict {PACKAGE_PIN AB5  IOSTANDARD TMDS_33}  [get_ports {tmds_data_n[2]}]
 set_property -dict {PACKAGE_PIN AA5  IOSTANDARD TMDS_33}  [get_ports {tmds_data_p[2]}]
 
+#set_property -dict {PACKAGE_PIN AB7  IOSTANDARD LVCMOS33} [get_ports hdmi_scl]
+#set_property -dict {PACKAGE_PIN V9   IOSTANDARD LVCMOS33} [get_ports hdmi_sda]
+#set_property -dict {PACKAGE_PIN AB8  IOSTANDARD LVCMOS33} [get_ports hdmi_enable]
+#set_property -dict {PACKAGE_PIN Y8   IOSTANDARD LVCMOS33} [get_ports hdmi_hotplugdetect]
+#set_property -dict {PACKAGE_PIN W9   IOSTANDARD LVCMOS33} [get_ports hdmi_cec_a]
+#set_property -dict {PACKAGE_PIN Y8   IOSTANDARD LVCMOS33} [get_ports hpd_a]
+set_property -dict {PACKAGE_PIN M15  IOSTANDARD LVCMOS33} [get_ports ct_hpd]
+#set_property -dict {PACKAGE_PIN AB8  IOSTANDARD LVCMOS33} [get_ports ls_oe]
+
 ## HyperRAM (standard)
 set_property -dict {PACKAGE_PIN D22 IOSTANDARD LVCMOS33 PULLUP FALSE SLEW FAST DRIVE 16} [get_ports hr_clk_p]
 set_property -dict {PACKAGE_PIN A21 IOSTANDARD LVCMOS33 PULLUP FALSE SLEW FAST DRIVE 16} [get_ports {hr_d[0]}]

CORE/vhdl/top_mega65-r3.vhd

@@ -40,6 +40,7 @@ port (
    tmds_data_n    : out std_logic_vector(2 downto 0);
    tmds_clk_p     : out std_logic;
    tmds_clk_n     : out std_logic;
+   ct_hpd         : out std_logic := '1';          -- Needed for HDMI compliancy: Assert +5V according to section 4.2.7 of the specification version 1.4b
 
    -- MEGA65 smart keyboard controller
    kb_io0         : out std_logic;                 -- clock to keyboard

VERSIONS.md

@@ -1,4 +1,13 @@
-Version 0.9.0 - January, 9 2023
+Version 0.9.1 - January 28, 2023
+================================
+
+Works with more HDMI monitors, frame grabbers, HDMI switches, etc.
+
+MiSTer2MEGA65 was not compliant to section 4.2.7 of the HDMI specification
+version 1.4b: It did not assert the +5V power signal. Now it does assert the
++5 power signal via the FPGA pin `ct_hpd`.
+
+Version 0.9.0 - January 9, 2023
 ===============================
 
 After being in development since April 5, 2021 while being in a constant