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Code Issues Releases Wiki Activity

[C64] Add menu option to load a new Kernal

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This commit is contained in:
Gyorgy Szombathelyi
2019-02-13 06:00:06 +01:00
parent c6a87be79c
commit aea34fc19e
1 changed files with 10 additions and 6 deletions
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16
cores/c64/rtl/mist/c64_mist.vhd
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@@ -126,8 +126,9 @@ constant CONF_STR : string :=
"S,D64,Mount Disk;"&
"F,PRG,Load File;"&
"F,CRT,Load Cartridge;" &--3
-- "F,TAP,Load File;"&--4
-- "F,T64,Load File;"&--5
"F,ROM,Load Kernal;"&
-- "F,TAP,Load File;"&--5
-- "F,T64,Load File;"&--6
"OG,Disk Write,Enable,Disable;"&
"O2,Video standard,PAL,NTSC;"&
"O8A,Scandoubler Fx,None,HQ2x-320,HQ2x-160,CRT 25%,CRT 50%;"&
@@ -368,6 +369,7 @@ end component cartridge;
signal c1541rom_wr : std_logic;
signal c64rom_wr : std_logic;
signal c64rom_addr : std_logic_vector(13 downto 0);
signal joyA : std_logic_vector(31 downto 0);
signal joyB : std_logic_vector(31 downto 0);
@@ -682,7 +684,7 @@ begin
end if;
end if;
if ioctl_index = 4 then
if ioctl_index = 5 then
if ioctl_addr = 0 then
ioctl_load_addr <= '0' & X"200000";
ioctl_ram_data <= ioctl_data;
@@ -721,7 +723,8 @@ begin
end if;
end process;
c64rom_wr <= ioctl_wr when (ioctl_index = 0) and (ioctl_addr(14) = '0') and (ioctl_download = '1') else '0';
c64rom_wr <= ioctl_wr when (((ioctl_index = 0) and (ioctl_addr(14) = '0')) or (ioctl_index = 4)) and (ioctl_download = '1') else '0';
c64rom_addr <= ioctl_addr(13 downto 0) when ioctl_index = 0 else '1' & ioctl_addr(12 downto 0);
c1541rom_wr <= ioctl_wr when (ioctl_index = 0) and (ioctl_addr(14) = '1') and (ioctl_download = '1') else '0';
process(c64_clk)
@@ -856,7 +859,8 @@ begin
if status(0)='1' or pll_locked = '0' then
reset_counter <= 1000000;
reset_n <= '0';
elsif buttons(1)='1' or status(5)='1' or reset_key = '1' or reset_crt='1' or (ioctl_download='1' and ioctl_index = 3) then
elsif buttons(1)='1' or status(5)='1' or reset_key = '1' or reset_crt='1' or
(ioctl_download='1' and (ioctl_index = 3 or ioctl_index = 4)) then
reset_counter <= 255;
reset_n <= '0';
elsif ioctl_download ='1' then
@@ -970,7 +974,7 @@ begin
pb_out => pb_out,
cia_mode => status(4),
disk_num => open,
c64rom_addr => ioctl_addr(13 downto 0),
c64rom_addr => c64rom_addr,
c64rom_data => ioctl_data,
c64rom_wr => c64rom_wr,
-- cart_detach_key => cart_detach_key,