Fix https://github.com/jeffman/Mother2GbaTranslation/issues/34 (#44)

notes/m2-notes.txt

@@ -74,6 +74,7 @@ English names:
 0x30023D4: current ATM balance
 0x3002500: buttons being pressed
 0x3002504: shadow of 0x3002500? delayed by one frame maybe?
+0x3004F08: printing flag
 0x30051EC: tile offset (usually 0x100)
 0x30051F0: flag? gets set to 1 when you change rooms, goes back to 0 the first time you open a text window
 0x3005224: menu sub-state

src/m2-hack.asm

@@ -726,6 +726,19 @@ b       0x080C959A
 bl      eeb1a_player_name //Call the new routine
 b       0x80EEB7A //Do the rest of the original routine
 
+//---------------------------------------------------------
+// End of battle hacks
+//---------------------------------------------------------
+
+.org 0x80cb936
+bl      cb936_battle_won //Removes the game's ability to read the script instantly out of a won battle
+
+.org 0x80a1f8c
+bl      a1f8c_set_script_reading //Change the game's ability to read the script instantly a bit
+
+.org 0x80b7702
+bl      b7702_check_script_reading //Change the newly set value slowly and make it 0 when it's safe
+
 //---------------------------------------------------------
 // Teleport window hacks
 //---------------------------------------------------------
@@ -855,8 +868,10 @@ m2_enemy_attributes:
 .definelabel m2_food                ,0x3001F30
 .definelabel m2_rockin              ,0x3001F3A
 .definelabel m2_player1             ,0x3001F50
+.definelabel m2_script_readability  ,0x3004F08
 .definelabel m2_active_window_pc    ,0x3005264
 .definelabel m2_soundeffect         ,0x8001720
+.definelabel m2_enable_script       ,0x80A1F6C
 .definelabel m2_sub_a334c           ,0x80A334C
 .definelabel m2_sub_a3384           ,0x80A3384
 .definelabel m2_psitargetwindow     ,0x80B8AE0

src/m2-vwf-entries.asm

@@ -995,4 +995,62 @@ mov     r0,#0
 
 @@next: //Do the rest of the routine
 pop     {pc}
+.pool
+
+//==============================================================================
+//These three hacks remove the game's ability to read the script instantly out of a won battle
+
+cb936_battle_won: //Called at the end of a battle if it is won
+push    {lr}
+ldr     r0,=m2_script_readability //Remove the ability to instantly read the script
+mov     r1,#8
+strb    r1,[r0,#0]
+
+ldr     r0,=#0x3000A6C //Clobbered code
+mov     r1,#0
+pop     {pc}
+
+.pool
+
+//==============================================================================
+
+b7702_check_script_reading: //Makes the game wait six extra frames before being able to read the script out of battle
+push    {lr}
+ldr     r0,=m2_script_readability
+ldrb    r1,[r0,#0]
+cmp     r1,#2 //If the value is > 2, then lower it
+ble     @@next
+sub     r1,r1,#1
+strb    r1,[r0,#0]
+b       @@end
+
+@@next:
+cmp     r1,#2 //If the value is 2, change it to 0 and allow reading the script
+bne     @@end
+mov     r1,#0
+strb    r1,[r0,#0]
+
+@@end:
+mov     r7,r10 //Clobbered code
+mov     r6,r9
+pop     {pc}
+.pool
+
+//==============================================================================
+
+a1f8c_set_script_reading: //Changes the way the game sets the ability to read the script
+push    {lr}
+ldrb    r1,[r0,#0]
+cmp     r1,#8 //If this particular flag is set, then don't do a thing. Allows to make it so the game waits before reading the script.
+beq     @@next
+mov     r1,#0
+strb    r1,[r0,#0]
+b       @@end
+
+@@next:
+mov     r1,#0
+
+@@end:
+pop     {pc}
+
 .pool