Files
Gameboy_MiSTer/sim/tests/gb_lib.lua
2020-12-29 23:38:30 +08:00

280 lines
8.0 KiB
Lua

require("vsim_comm")
require("luareg")
function SplitFilename(strFilename)
-- Returns the Path, Filename, and Extension as 3 values
return string.match(strFilename, "(.-)([^\\]-([^\\%.]+))$")
end
function FindArray(array, pattern_in)
pattern = {}
for i = 1, #pattern_in do
pattern[i] = string.sub(pattern_in, i, i)
end
local success = 0
for i = 1, #array do
if (array[i] == pattern[success + 1]) then
success = success + 1
else
success = 0
end
if (#pattern == success) then
return true
end
end
return false
end
gba_savegame_path = ""
gba_loadsavegame = false
function transmit_rom(filename, baseaddress, transmit_dwords)
-- load filecontent as binary
local filecontent_char = {}
local filecontent = {}
local index = 0
local input = io.open(filename, "rb")
local dwordsum = 0
local dwordpos = 0
local byteindex = 0
while true do
local byte = input:read(1)
if not byte then
if (dwordpos > 0) then
filecontent[index] = dwordsum
end
break
end
filecontent_char[#filecontent_char + 1] = string.char(string.byte(byte))
--dwordsum = dwordsum + (string.byte(byte) * (2^((3 - dwordpos) * 8))) -- little endian
dwordsum = dwordsum + (string.byte(byte) * (2^((dwordpos) * 8))) -- big endian
dwordpos = dwordpos + 1
byteindex = byteindex + 1
if (dwordpos == 4) then
filecontent[index] = dwordsum
index = index + 1
if (transmit_dwords ~= nil) then
if (index == transmit_dwords) then
break
end
end
dwordpos = 0
dwordsum = 0
end
end
input:close()
print("Transmitting ROM: "..filename)
--print(string.format("%08X", filecontent[0]))
reg_set(#filecontent_char, gameboy.Reg_GBA_MaxPakAddr)
reg_set_file(filename, baseaddress, 0, 0)
end
function write_gbbus_32bit(data, address)
reg_set_connection(data, gameboy.Reg_GBA_BusWriteData)
reg_set_connection(address + 0x40000000, gameboy.Reg_GBA_BusAddr)
end
function read_gbbus_32bit(address)
reg_set_connection(address + 0x50000000, gameboy.Reg_GBA_BusAddr)
return reg_get(gameboy.Reg_GBA_BusReadData)
end
function compare_gbbus_32bit(comparevalue, address)
reg_set_connection(address + 0x50000000, gameboy.Reg_GBA_BusAddr)
local value = reg_get(gameboy.Reg_GBA_BusReadData)
if (value == comparevalue) then
print ("Address 0x"..string.format("%X", address).." = "..string.format("%X", value).." - OK")
else
testerrorcount = testerrorcount + 1
print ("Address 0x"..string.format("%X", address).." = 0x"..string.format("%X", value).." | should be = 0x"..string.format("%X", comparevalue).." - ERROR")
end
end
function write_gbbus_16bit(data, address)
reg_set_connection(data, gameboy.Reg_GBA_BusWriteData)
reg_set_connection(address + 0x20000000, gameboy.Reg_GBA_BusAddr)
end
function read_gbbus_16bit(address)
reg_set_connection(address + 0x30000000, gameboy.Reg_GBA_BusAddr)
return reg_get(gameboy.Reg_GBA_BusReadData)
end
function compare_gbbus_16bit(comparevalue, address)
reg_set_connection(address + 0x30000000, gameboy.Reg_GBA_BusAddr)
local value = reg_get(gameboy.Reg_GBA_BusReadData)
value = value % 0x10000
if (value == comparevalue) then
print ("Address 0x"..string.format("%X", address).." = "..string.format("%X", value).." - OK")
else
testerrorcount = testerrorcount + 1
print ("Address 0x"..string.format("%X", address).." = 0x"..string.format("%X", value).." | should be = 0x"..string.format("%X", comparevalue).." - ERROR")
end
end
function compare_gbbus_1632bit(comparevalue, address)
reg_set_connection(address + 0x30000000, gameboy.Reg_GBA_BusAddr)
local value = reg_get(gameboy.Reg_GBA_BusReadData)
if (value == comparevalue) then
print ("Address 0x"..string.format("%X", address).." = "..string.format("%X", value).." - OK")
else
testerrorcount = testerrorcount + 1
print ("Address 0x"..string.format("%X", address).." = 0x"..string.format("%X", value).." | should be = 0x"..string.format("%X", comparevalue).." - ERROR")
end
end
function write_gbbus_8bit(data, address)
reg_set_connection(data, gameboy.Reg_GBA_BusWriteData)
reg_set_connection(address + 0x00000000, gameboy.Reg_GBA_BusAddr)
end
function read_gbbus_8bit(address)
reg_set_connection(address + 0x10000000, gameboy.Reg_GBA_BusAddr)
return reg_get(gameboy.Reg_GBA_BusReadData)
end
function compare_gbbus_8bit(comparevalue, address)
reg_set_connection(address + 0x10000000, gameboy.Reg_GBA_BusAddr)
local value = reg_get(gameboy.Reg_GBA_BusReadData)
value = value % 0x100
if (value == comparevalue) then
print ("Address 0x"..string.format("%X", address).." = "..value.." - OK")
else
testerrorcount = testerrorcount + 1
print ("Address 0x"..string.format("%X", address).." = 0x"..string.format("%X", value).." | should be = 0x"..string.format("%X", comparevalue).." - ERROR")
end
end
function write_tilemap(mapindex, baseblock, h_flip, v_flip, palette, tileid)
local data = tileid + h_flip * 1024 + v_flip * 2048 + palette * 4096
write_gbbus_16bit(data, 0x06000000 + baseblock * 2048 + mapindex * 2)
end
function write_tilemap_mode2(mapindex, baseblock, tileid1, tileid2)
local data = tileid1 + tileid2 * 256
write_gbbus_16bit(data, 0x06000000 + baseblock * 2048 + mapindex)
end
function write_tile_4bit(baseaddress, index, tiledata)
for y = 0, 7 do
local data = 0
for x = 7, 0, -1 do
data = data * 16
data = data + tiledata[x][y]
end
write_gbbus_32bit(data, 0x06000000 + baseaddress + index * 32 + y * 4)
end
end
function write_tile_8bit(baseaddress, index, tiledata)
for y = 0, 7 do
local data = 0
for x = 7, 0, -1 do
data = data * 256
data = data + tiledata[x][y]
if (x == 4) then
write_gbbus_32bit(data, 0x06000000 + baseaddress + index * 64 + y * 8 + 4)
data = 0
end
end
write_gbbus_32bit(data, 0x06000000 + baseaddress + index * 64 + y * 8)
end
end
function write_object(index, obj)
-- Atr0
local OAM_Y_LO = 0;
local OAM_AFFINE = 8;
local OAM_DBLSIZE = 9;
local OAM_OFF = 9;
local OAM_MODE_LO = 10;
local OAM_MOSAIC = 12;
local OAM_HICOLOR = 13;
local OAM_OBJSHAPE_LO = 14;
local atr0 = 0
atr0 = atr0 + obj.y * 2^OAM_Y_LO
atr0 = atr0 + obj.affine * 2^OAM_AFFINE
atr0 = atr0 + obj.dblsize * 2^OAM_DBLSIZE
atr0 = atr0 + obj.off * 2^OAM_OFF
atr0 = atr0 + obj.mode * 2^OAM_MODE_LO
atr0 = atr0 + obj.mosaic * 2^OAM_MOSAIC
atr0 = atr0 + obj.hicolor * 2^OAM_HICOLOR
atr0 = atr0 + obj.shape * 2^OAM_OBJSHAPE_LO
-- Atr1
local OAM_X_LO = 0;
local OAM_AFF_LO = 9;
local OAM_HFLIP = 12;
local OAM_VFLIP = 13;
local OAM_OBJSIZE_LO = 14;
local atr1 = 0
atr1 = atr1 + obj.x * 2^OAM_X_LO
atr1 = atr1 + obj.affindex * 2^OAM_AFF_LO
atr1 = atr1 + obj.hflip * 2^OAM_HFLIP
atr1 = atr1 + obj.vlip * 2^OAM_VFLIP
atr1 = atr1 + obj.objsize * 2^OAM_OBJSIZE_LO
-- Atr2
local OAM_TILE_LO = 0;
local OAM_PRIO_LO = 10;
local OAM_PALETTE_LO = 12;
local atr2 = 0
atr2 = atr2 + obj.tile * 2^OAM_TILE_LO
atr2 = atr2 + obj.prio * 2^OAM_PRIO_LO
atr2 = atr2 + obj.palette * 2^OAM_PALETTE_LO
write_gbbus_16bit(atr0, 0x07000000 + index * 8)
write_gbbus_16bit(atr1, 0x07000000 + index * 8 + 2)
write_gbbus_16bit(atr2, 0x07000000 + index * 8 + 4)
end
function write_affine_set(index, dx, dmx, dy, dmy)
write_gbbus_16bit(dx, 0x07000000 + index * 32 + 6)
write_gbbus_16bit(dmx, 0x07000000 + index * 32 + 14)
write_gbbus_16bit(dy, 0x07000000 + index * 32 + 22)
write_gbbus_16bit(dmy, 0x07000000 + index * 32 + 30)
end