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Added support for SNES save ram length from Expansion Ram Header (if valid) fixes issues with SMW 2: Yoshi's Island and Stunt Race FX

This commit is contained in:
Joel Smith 2020-04-20 19:21:25 -07:00
parent 4d83c034b1
commit 13c73053d0
1 changed files with 24 additions and 3 deletions
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27
host/scripts/snes/v2proto_hirom.lua
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@ -308,6 +308,9 @@ function print_header(internal_header)
local sram_size_str = "UNKNOWN - " .. hexfmt(internal_header["sram_size"])
if ram_size_tbl[internal_header["sram_size"]] then sram_size_str = ram_size_tbl[internal_header["sram_size"]] end
local exp_size_str = "UNKNOWN - " .. hexfmt(internal_header["exp_ram_size"])
if ram_size_tbl[internal_header["exp_ram_size"]] then exp_size_str = ram_size_tbl[internal_header["exp_ram_size"]] end
local destination_code_str = "UNKNOWN - " .. hexfmt(internal_header["destination_code"])
if destination_code[internal_header["destination_code"]] then
destination_code_str = destination_code[internal_header["destination_code"]]
@ -323,6 +326,7 @@ function print_header(internal_header)
print("Hardware Type:\t\t" .. rom_type_str)
print("Rom Size Upper Bound:\t" .. rom_size_str)
print("SRAM Size:\t\t" .. sram_size_str)
print("Expansion RAM Size:\t" .. exp_size_str)
print("Destination Code:\t" .. destination_code_str)
print("Developer:\t\t" .. developer_code_str)
print("Version:\t\t" .. hexfmt(internal_header["version"]))
@ -357,6 +361,7 @@ function get_header(map_adjust)
rom_type = dict.snes("SNES_ROM_RD", addr_rom_type),
rom_size = dict.snes("SNES_ROM_RD", addr_rom_size),
sram_size = dict.snes("SNES_ROM_RD", addr_sram_size),
exp_ram_size = dict.snes("SNES_ROM_RD", addr_expansion_ram_size),
destination_code = dict.snes("SNES_ROM_RD", addr_destination_code),
developer_code = dict.snes("SNES_ROM_RD", addr_developer_code),
version = dict.snes("SNES_ROM_RD", addr_version),
@ -876,10 +881,26 @@ local function process(process_opts, console_opts)
end
end
-- Autodetect missing ram size
if (ram_size == 0) or (ram_size == nil) then
ram_size = ram_size_kb_tbl[internal_header["sram_size"]]
assert(ram_size, "SRAM Size unknown and not provided, please add ram size to console_opts")
print("SRAM Size not provided, " .. ram_size_tbl[internal_header["sram_size"]] .. " detected.")
sram_table = ram_size_kb_tbl[internal_header["sram_size"]]
exp_ram_table = ram_size_kb_tbl[internal_header["exp_ram_size"]]
-- Some titles (Yoshi's Story, Stunt Race FX) use expansion ram header value
-- ram_size will use sram value unless a valid size is found in expansion ram header
if (sram_table == 0) or (sram_table == nil) then
if exp_ram_table == nil then
ram_size = sram_table
else
ram_size = exp_ram_table
end
else
ram_size = sram_table
end
assert(ram_size, "Save RAM Size unknown and not provided, please add ram size to console_opts")
print("Save RAM Size not provided, " .. ram_size .. " detected.")
end
if (rom_size == 0) or (rom_size == nil) then