Fix incorrect register values when changing the color palette via the boot ROM

BootROMs/cgb_boot.asm

@@ -758,13 +758,17 @@ ENDC
     ld a, [$143]
     bit 7, a
     call z, EmulateDMG
+    bit 7, a
+    
     ldh [$4C], a
     ldh a, [TitleChecksum]
     ld b, a
     
+    jr z, .skipDMGForCGBCheck
     ldh a, [InputPalette]
     and a
     jr nz, .emulateDMGForCGBGame
+.skipDMGForCGBCheck
 IF DEF(AGB)
     ; Set registers to match the original AGB-CGB boot
     ; AF = $1100, C = 0

Makefile

@@ -322,6 +322,10 @@ $(BIN)/SDL/Shaders: Shaders
 
 # Boot ROMs
 
+$(BIN)/BootROMs/agb_boot.bin: BootROMs/cgb_boot.asm
+$(BIN)/BootROMs/cgb_boot_fast.bin: BootROMs/cgb_boot.asm
+$(BIN)/BootROMs/sgb2_boot: BootROMs/sgb_boot.asm
+
 $(BIN)/BootROMs/%.bin: BootROMs/%.asm
 	-@$(MKDIR) -p $(dir $@)
 	cd BootROMs && rgbasm -o ../$@.tmp ../$<