Added USA version of splatterhouse 2 collision viewer.

output/Lua/Genesis/Splatterhouse 2 (JPN).lua

@@ -0,0 +1,81 @@
+--Splatterhouse 2 (JPN) Collision box viewer v1.0
+--Author Pasky
+--For use with Bizhawk
+
+
+local cx = 0
+local player = false
+local attack = false
+local weapon = false
+local function camera()
+	cx = mainmemory.read_u16_be(0x9E)
+end
+
+local function drawAxis(x1,y1,x2,y2)
+	local x = ((x2 - x1) / 2) + x1
+	local y = ((y2 - y1) / 2) + y1
+	local xrad = (x2 - x1) / 2
+	local yrad = (y2 - y1) / 2
+	gui.drawLine(x-xrad,y,x+xrad,y)
+	gui.drawLine(x,y-yrad,x,y+yrad)
+end
+
+local function touch_collision()
+	
+	local A6 = bit.band(emu.getregister("M68K A6"),0xFFFF)
+	local e = {0,0,0,0}
+	local p = {0,0,0,0}
+	
+	for i = 0,3,1 do
+		e[i] = mainmemory.read_s16_be(A6 - 0x0A - (i * 2))
+		p[i] = mainmemory.read_s16_be(A6 - 0x02 - (i * 2))
+	end
+	gui.drawBox(e[0]-cx,e[2],e[1]-cx,e[3],0xFFFF0000,0x40FF0000)
+	if player == false then
+		gui.drawBox(p[0]-cx,p[2],p[1]-cx,p[3],0xFF0000FF,0x400000FF)
+		if mainmemory.read_u16_be(0xEA) > 0 then
+			drawAxis(p[0]-cx,p[2],p[1]-cx,p[3])
+		end
+		player = true
+	end
+end
+
+local function attack_collision()
+	local A6 = bit.band(emu.getregister("M68K A6"),0xFFFF)
+	local a = {0,0,0,0}
+	for i = 0,3,1 do
+		a[i] = mainmemory.read_s16_be(A6 - 0x1A - (i * 2))
+	end
+	if attack == false then
+		gui.drawBox(a[0]-cx,a[2],a[1]-cx,a[3],0xFFFFFFFF,0x40FFFFFF)
+		attack = true
+	end
+end
+
+local function weapon_collision()
+	local A6 = bit.band(emu.getregister("M68K A6"),0xFFFF)
+	local w = {0,0,0,0}
+	for i = 0,3,1 do
+		w[i] = mainmemory.read_s16_be(A6 - 0x12 - (i * 2))
+	end
+	if weapon == false then
+		gui.drawBox(w[0]-cx,w[2],w[1]-cx,w[3],0xFFFFFFFF,0x40FFFFFF)
+		weapon = true
+	end
+end
+
+local function reset()
+	player = false
+	attack = false
+	weapon = false
+end
+
+event.onmemoryexecute(touch_collision,0x14508)
+event.onmemoryexecute(attack_collision,0x143E0)
+event.onmemoryexecute(weapon_collision,0x1420A)
+
+while true do
+	camera()
+	emu.frameadvance()
+	reset()
+end

output/Lua/Genesis/Splatterhouse 2 (USA).lua

@@ -1,4 +1,4 @@
---Splatterhouse 2 (JP) Collision box viewer v1.0
+--Splatterhouse 2 (USA) Collision box viewer
 --Author Pasky
 --For use with Bizhawk
 
@@ -6,6 +6,7 @@
 local cx = 0
 local player = false
 local attack = false
+local weapon = false
 
 local function camera()
 	cx = mainmemory.read_u16_be(0x9E)
@@ -53,13 +54,28 @@ local function attack_collision()
 	
 end
 
+local function weapon_collision()
+	local A6 = bit.band(emu.getregister("M68K A6"),0xFFFF)
+	local w = {0,0,0,0}
+	for i = 0,3,1 do
+		w[i] = mainmemory.read_s16_be(A6 - 0x12 - (i * 2))
+	end
+	if weapon == false then
+		gui.drawBox(w[0]-cx,w[2],w[1]-cx,w[3],0xFFFFFFFF,0x40FFFFFF)
+		weapon = true
+	end
+end
+
 local function reset()
 	player = false
 	attack = false
+	weapon = false
 end
 
-event.onmemoryexecute(touch_collision,0x014508)
-event.onmemoryexecute(attack_collision,0x0143E0)
+
+event.onmemoryexecute(touch_collision,0x1494E)
+event.onmemoryexecute(attack_collision,0x14826)
+event.onmemoryexecute(weapon_collision,0x14650)
 
 while true do
 	camera()