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Code Issues Releases Wiki Activity

C64: direct SD Card transfer (good for large TAPs)

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This commit is contained in:
Gyorgy Szombathelyi
2020-03-17 00:05:15 +01:00
parent 189c2ca008
commit 8bf7012b79
3 changed files with 13 additions and 4 deletions
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1
cores/c64/C64_mist.qsf
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@@ -77,6 +77,7 @@ set_location_assignment PIN_88 -to SPI_DI
set_location_assignment PIN_126 -to SPI_SCK
set_location_assignment PIN_127 -to SPI_SS2
set_location_assignment PIN_91 -to SPI_SS3
set_location_assignment PIN_90 -to SPI_SS4
set_location_assignment PIN_13 -to CONF_DATA0
set_location_assignment PIN_49 -to SDRAM_A[0]
set_location_assignment PIN_44 -to SDRAM_A[1]

14
cores/c64/rtl/mist/c64_mist.vhd
View File

@@ -69,6 +69,7 @@ entity c64_mist is port
SPI_DI : in std_logic;
SPI_SS2 : in std_logic;
SPI_SS3 : in std_logic;
SPI_SS4 : in std_logic;
CONF_DATA0 : in std_logic;
UART_RX : in std_logic;
@@ -144,16 +145,21 @@ constant FILE_TAP : std_logic_vector(7 downto 0) := x"42";
constant FILE_CRT : std_logic_vector(7 downto 0) := x"82";
constant FILE_ROM : std_logic_vector(7 downto 0) := x"03";
component data_io port
component data_io
generic
(
ROM_DIRECT_UPLOAD : boolean := true
);
port
(
clk_sys : in std_logic;
SPI_SCK, SPI_SS2, SPI_DI :in std_logic;
SPI_SCK, SPI_SS2, SPI_SS4, SPI_DI, SPI_DO :in std_logic;
ioctl_download : out std_logic;
ioctl_index : out std_logic_vector(7 downto 0);
ioctl_wr : out std_logic;
ioctl_addr : out std_logic_vector(24 downto 0);
ioctl_dout : out std_logic_vector(7 downto 0)
);
);
end component data_io;
---------
@@ -532,7 +538,9 @@ begin
clk_sys => clk_c64,
SPI_SCK => SPI_SCK,
SPI_SS2 => SPI_SS2,
SPI_SS4 => SPI_SS4,
SPI_DI => SPI_DI,
SPI_DO => SPI_DO,
ioctl_download => ioctl_download,
ioctl_index => ioctl_index,

2
mist-modules

Submodule mist-modules updated: f4f624eeb3...5e66f8e039