From e235064ebc8bc17cb41eeed9e456f5b301433729 Mon Sep 17 00:00:00 2001
From: Marcus Huderle <huderlem@gmail.com>
Date: Tue, 20 Jun 2017 22:03:16 -0700
Subject: Remove baserom.gbc dependency. We made it!

---
 INSTALL.md |  4 +---
 Makefile   | 19 +++++++++----------
 compare.sh | 12 ------------
 macros.asm |  4 ----
 rom.md5    |  1 +
 5 files changed, 11 insertions(+), 29 deletions(-)
 delete mode 100755 compare.sh
 create mode 100755 rom.md5

diff --git a/INSTALL.md b/INSTALL.md
index 8badcb5..844ea65 100755
--- a/INSTALL.md
+++ b/INSTALL.md
@@ -21,8 +21,6 @@ Set up the repository.
 	git submodule init
 	git submodule update
 
-Place a copy of Pokemon Pinball (U) [C][!].gb  (`md5: fbe20570c2e52c937a9395024069ba3c`) in this directory and name it `baserom.gbc`.
-
 To build `pokepinball.gbc`:
 
 	make
@@ -33,7 +31,7 @@ To remove all generated files by the build process:
 
 	make clean
 
-To compare the `md5` hashes of `baserom.gbc` and the built `pokepinball.gbc`:
+To compare the built `pokepinball.gbc` to the original ROM:
 
 	make compare
 
diff --git a/Makefile b/Makefile
index 43d9a51..3cb79c0 100755
--- a/Makefile
+++ b/Makefile
@@ -5,19 +5,20 @@
 .SECONDEXPANSION:
 
 # Build Pokemon Pinball.
-ROMS := pokepinball.gbc
+ROM := pokepinball.gbc
 OBJS := main.o wram.o sram.o
 
 # If your default python is 3, you may want to change this to python27.
 PYTHON := python
 PRET := pokemon-reverse-engineering-tools/pokemontools
+MD5 := md5sum -c --quiet
 
 $(foreach obj, $(OBJS), \
 	$(eval $(obj:.o=)_dep := $(shell $(PYTHON) $(PRET)/scan_includes.py $(obj:.o=.asm))) \
 )
 
 # Link objects together to build a rom.
-all: $(ROMS) compare
+all: $(ROM) compare
 
 # Assemble source files into objects.
 # Use rgbasm -h to use halts without nops.
@@ -27,19 +28,17 @@ $(OBJS): $$*.asm $$($$*_dep)
 	@$(PYTHON) $(PRET)/pcm.py pcm $(pcmq)
 	rgbasm -h -o $@ $<
 
-$(ROMS): $(OBJS)
-	rgblink -n $(ROMS:.gbc=.sym) -m $(ROMS:.gbc=.map) -o $@ $^
+$(ROM): $(OBJS)
+	rgblink -n $(ROM:.gbc=.sym) -m $(ROM:.gbc=.map) -o $@ $^
 	rgbfix -jsvc -k 01 -l 0x33 -m 0x1e -p 0 -r 02 -t "POKEPINBALL" -i VPHE $@
 
-# The compare target is a shortcut to check that the build matches the original roms exactly.
-# This is for contributors to make sure a change didn't affect the contents of the rom.
-# More thorough comparison can be made by diffing the output of hexdump -C against both roms.
-compare: $(ROMS) baserom.gbc
-	cmp $^
+# For contributors to make sure a change didn't affect the contents of the rom.
+compare: $(ROM)
+	@$(MD5) rom.md5
 
 # Remove files generated by the build process.
 tidy:
-	rm -f $(ROMS) $(OBJS) $(ROMS:.gbc=.sym)
+	rm -f $(ROM) $(OBJS) $(ROM:.gbc=.sym)
 
 clean: tidy
 	find . \( -iname '*.1bpp' -o -iname '*.2bpp' -o -iname '*.pcm' \) -exec rm {} +
diff --git a/compare.sh b/compare.sh
deleted file mode 100755
index 60e8d34..0000000
--- a/compare.sh
+++ /dev/null
@@ -1,12 +0,0 @@
-#!/bin/sh
-# Compares baserom.gbc and pokepinball.gbc
-
-# create baserom.txt if necessary
-
-if [ ! -f baserom.txt ]; then
-	hexdump -C baserom.gbc > baserom.txt
-fi
-
-hexdump -C pokepinball.gbc > pokepinball.txt
-
-diff -u baserom.txt pokepinball.txt | less
diff --git a/macros.asm b/macros.asm
index 246e003..d737152 100755
--- a/macros.asm
+++ b/macros.asm
@@ -42,10 +42,6 @@ dn: MACRO
 	endr
 	ENDM
 
-dr: MACRO
-INCBIN "baserom.gbc", \1, \2 - \1
-	ENDM
-
 dx: MACRO
 x = 8 * ((\1) - 1)
 	rept \1
diff --git a/rom.md5 b/rom.md5
new file mode 100755
index 0000000..ec8f61d
--- /dev/null
+++ b/rom.md5
@@ -0,0 +1 @@
+fbe20570c2e52c937a9395024069ba3c  pokepinball.gbc
-- 
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