Feature/galactic armada rewrite

galactic-armada/Makefile

@@ -1,120 +1,120 @@
-# You can set the name of the .gb ROM file here
-PROJECTNAME    	= GalacticArmada
-SRCDIR      	= src
-LIBDIR      	= libs
-OBJDIR      	= obj
-DSTDIR      	= dist
-RESDIR      	= $(SRCDIR)/resources
-ASMDIR          = $(SRCDIR)/main
-RESSPRITES      = $(RESDIR)/sprites
-RESBACKGROUNDS  = $(RESDIR)/backgrounds
-GENDIR	    	= $(SRCDIR)/generated
-GENSPRITES	    = $(GENDIR)/sprites
-GENBACKGROUNDS	= $(GENDIR)/backgrounds
-BINS	    	= $(DSTDIR)/$(PROJECTNAME).gb
-
-# Tools
-RGBDS ?=
-ASM := $(RGBDS)rgbasm
-GFX := $(RGBDS)rgbgfx
-LINK := $(RGBDS)rgblink
-FIX := $(RGBDS)rgbfix
-
-# Tool flags
-ASMFLAGS := -L
-FIXFLAGS := -v -p 0xFF
-
-# https://stackoverflow.com/a/18258352
-# Make does not offer a recursive wild card function, so here's one:
-rwildcard = $(foreach d,\
-		$(wildcard $(1:=/*)), \
-		$(call rwildcard,$d,$2) $(filter $(subst *,%,$2),$d) \
-	)
-
-# https://stackoverflow.com/a/16151140
-# This makes it so every entry in a space-delimited list appears only once
-unique = $(if $1,\
-			$(firstword $1) $(call unique,$(filter-out $(firstword $1),$1)) \
-		)
-
-# Collect ASM sources from ASMDIR and LIBDIR.
-ASMSOURCES_COLLECTED = \
-	$(call rwildcard,$(ASMDIR),*.asm) $(call rwildcard,$(LIBDIR),*.asm)
-
-OBJS = $(patsubst %.asm,$(OBJDIR)/%.o,$(notdir $(ASMSOURCES_COLLECTED)))
-
-all: $(BINS)
-
-# ANCHOR: generate-graphics
-NEEDED_GRAPHICS = \
-	$(GENSPRITES)/player-ship.2bpp \
-	$(GENSPRITES)/enemy-ship.2bpp \
-	$(GENSPRITES)/bullet.2bpp \
-	$(GENBACKGROUNDS)/text-font.2bpp \
-	$(GENBACKGROUNDS)/star-field.tilemap \
-	$(GENBACKGROUNDS)/title-screen.tilemap
-
-# Generate sprites, ensuring the containing directories have been created.
-$(GENSPRITES)/%.2bpp: $(RESSPRITES)/%.png | $(GENSPRITES)
-	$(GFX) -c "#FFFFFF,#cfcfcf,#686868,#000000;" --columns -o $@ $<
-
-# Generate background tile set, ensuring the containing directories have been created.
-$(GENBACKGROUNDS)/%.2bpp: $(RESBACKGROUNDS)/%.png | $(GENBACKGROUNDS)
-	$(GFX) -c "#FFFFFF,#cbcbcb,#414141,#000000;" -o $@ $<
-
-# Generate background tile map *and* tile set, ensuring the containing directories
-# have been created.
-$(GENBACKGROUNDS)/%.tilemap: $(RESBACKGROUNDS)/%.png | $(GENBACKGROUNDS)
-	$(GFX) -c "#FFFFFF,#cbcbcb,#414141,#000000;" \
-		--tilemap $@ \
-		--unique-tiles \
-		-o $(GENBACKGROUNDS)/$*.2bpp \
-		$<
-# ANCHOR_END: generate-graphics
-
-compile.bat: Makefile
-	@echo "REM Automatically generated from Makefile" > compile.bat
-	@make -sn | sed y/\\/\\\\/\\\\\\\^/ | grep -v make >> compile.bat
-
-
-# ANCHOR: generate-objects
-# Extract directories from collected ASM sources and append "%.asm" to each one,
-# creating a wildcard-rule.
-ASMSOURCES_DIRS = $(patsubst %,%%.asm,\
-			$(call unique,$(dir $(ASMSOURCES_COLLECTED))) \
-		)
-
-# This is a Makefile "macro".
-# It defines a %.o target from a corresponding %.asm, ensuring the
-# "prepare" step has ran and the graphics are already generated.
-define object-from-asm
-$(OBJDIR)/%.o: $1 | $(OBJDIR) $(NEEDED_GRAPHICS)
-	$$(ASM) $$(ASMFLAGS) -o $$@ $$<
-endef
-
-# Run the macro for each directory listed in ASMSOURCES_DIRS, thereby
-# creating the appropriate targets.
-$(foreach i, $(ASMSOURCES_DIRS), $(eval $(call object-from-asm,$i)))
-# ANCHOR_END: generate-objects
-
-# Link and build the final ROM.
-$(BINS): $(OBJS) | $(DSTDIR)
-	$(LINK) -o $@ $^
-	$(FIX) $(FIXFLAGS) $@
-# Ensure directories for generated files exist.
-define ensure-directory
-$1:
-	mkdir -p $$@
-endef
-
-PREPARE_DIRECTORIES = \
-	$(OBJDIR) $(GENSPRITES) $(GENBACKGROUNDS) $(DSTDIR)
-
-$(foreach i, $(PREPARE_DIRECTORIES), $(eval $(call ensure-directory,$i)))
-
-# Clean up generated directories.
-clean:
-	rm -rfv  $(PREPARE_DIRECTORIES)
-# Declare these targets as "not actually files".
-.PHONY: clean all
-
+# You can set the name of the .gb ROM file here
+PROJECTNAME    	= GalacticArmada
+SRCDIR      	= src
+LIBDIR      	= libs
+OBJDIR      	= obj
+DSTDIR      	= dist
+RESDIR      	= $(SRCDIR)/resources
+ASMDIR          = $(SRCDIR)/main
+RESSPRITES      = $(RESDIR)/sprites
+RESBACKGROUNDS  = $(RESDIR)/backgrounds
+GENDIR	    	= $(SRCDIR)/generated
+GENSPRITES	    = $(GENDIR)/sprites
+GENBACKGROUNDS	= $(GENDIR)/backgrounds
+BINS	    	= $(DSTDIR)/$(PROJECTNAME).gb
+
+# Tools
+RGBDS ?=
+ASM := $(RGBDS)rgbasm
+GFX := $(RGBDS)rgbgfx
+LINK := $(RGBDS)rgblink
+FIX := $(RGBDS)rgbfix
+
+# Tool flags
+ASMFLAGS := -L
+FIXFLAGS := -v -p 0xFF
+
+# https://stackoverflow.com/a/18258352
+# Make does not offer a recursive wild card function, so here's one:
+rwildcard = $(foreach d,\
+		$(wildcard $(1:=/*)), \
+		$(call rwildcard,$d,$2) $(filter $(subst *,%,$2),$d) \
+	)
+
+# https://stackoverflow.com/a/16151140
+# This makes it so every entry in a space-delimited list appears only once
+unique = $(if $1,\
+			$(firstword $1) $(call unique,$(filter-out $(firstword $1),$1)) \
+		)
+
+# Collect ASM sources from ASMDIR and LIBDIR.
+ASMSOURCES_COLLECTED = \
+	$(call rwildcard,$(ASMDIR),*.asm) $(call rwildcard,$(LIBDIR),*.asm)
+
+OBJS = $(patsubst %.asm,$(OBJDIR)/%.o,$(notdir $(ASMSOURCES_COLLECTED)))
+
+all: $(BINS)
+
+# ANCHOR: generate-graphics
+NEEDED_GRAPHICS = \
+	$(GENSPRITES)/player-ship.2bpp \
+	$(GENSPRITES)/enemy-ship.2bpp \
+	$(GENSPRITES)/bullet.2bpp \
+	$(GENBACKGROUNDS)/text-font.2bpp \
+	$(GENBACKGROUNDS)/star-field.tilemap \
+	$(GENBACKGROUNDS)/title-screen.tilemap
+
+# Generate sprites, ensuring the containing directories have been created.
+$(GENSPRITES)/%.2bpp: $(RESSPRITES)/%.png | $(GENSPRITES)
+	$(GFX) -c "#FFFFFF,#cfcfcf,#686868,#000000;" --columns -o $@ $<
+
+# Generate background tile set, ensuring the containing directories have been created.
+$(GENBACKGROUNDS)/%.2bpp: $(RESBACKGROUNDS)/%.png | $(GENBACKGROUNDS)
+	$(GFX) -c "#FFFFFF,#cbcbcb,#414141,#000000;" -o $@ $<
+
+# Generate background tile map *and* tile set, ensuring the containing directories
+# have been created.
+$(GENBACKGROUNDS)/%.tilemap: $(RESBACKGROUNDS)/%.png | $(GENBACKGROUNDS)
+	$(GFX) -c "#FFFFFF,#cbcbcb,#414141,#000000;" \
+		--tilemap $@ \
+		--unique-tiles \
+		-o $(GENBACKGROUNDS)/$*.2bpp \
+		$<
+# ANCHOR_END: generate-graphics
+
+compile.bat: Makefile
+	@echo "REM Automatically generated from Makefile" > compile.bat
+	@make -sn | sed y/\\/\\\\/\\\\\\\^/ | grep -v make >> compile.bat
+
+
+# ANCHOR: generate-objects
+# Extract directories from collected ASM sources and append "%.asm" to each one,
+# creating a wildcard-rule.
+ASMSOURCES_DIRS = $(patsubst %,%%.asm,\
+			$(call unique,$(dir $(ASMSOURCES_COLLECTED))) \
+		)
+
+# This is a Makefile "macro".
+# It defines a %.o target from a corresponding %.asm, ensuring the
+# "prepare" step has ran and the graphics are already generated.
+define object-from-asm
+$(OBJDIR)/%.o: $1 | $(OBJDIR) $(NEEDED_GRAPHICS)
+	$$(ASM) $$(ASMFLAGS) -o $$@ $$<
+endef
+
+# Run the macro for each directory listed in ASMSOURCES_DIRS, thereby
+# creating the appropriate targets.
+$(foreach i, $(ASMSOURCES_DIRS), $(eval $(call object-from-asm,$i)))
+# ANCHOR_END: generate-objects
+
+# Link and build the final ROM.
+$(BINS): $(OBJS) | $(DSTDIR)
+	$(LINK) -n dist/GalacticArmada.sym -m dist/GalacticArmada.map -o $@ $^
+	$(FIX) $(FIXFLAGS) $@
+# Ensure directories for generated files exist.
+define ensure-directory
+$1:
+	mkdir -p $$@
+endef
+
+PREPARE_DIRECTORIES = \
+	$(OBJDIR) $(GENSPRITES) $(GENBACKGROUNDS) $(DSTDIR)
+
+$(foreach i, $(PREPARE_DIRECTORIES), $(eval $(call ensure-directory,$i)))
+
+# Clean up generated directories.
+clean:
+	rm -rfv  $(PREPARE_DIRECTORIES)
+# Declare these targets as "not actually files".
+.PHONY: clean all
+

galactic-armada/libs/input.asm

@@ -1,45 +1,50 @@
-;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;
-; It's straight from: https://gbdev.io/gb-asm-tutorial/part2/input.html
-; In their words (paraphrased): reading player input for gameboy is NOT a trivial task
-; So it's best to use some tested code
-;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;
-
-include "src/main/utils/hardware.inc"
-
- SECTION "Input", ROM0
-
-Input::
-  ; Poll half the controller
-  ld a, P1F_GET_BTN
-  call .onenibble
-  ld b, a ; B7-4 = 1; B3-0 = unpressed buttons
-
-  ; Poll the other half
-  ld a, P1F_GET_DPAD
-  call .onenibble
-  swap a ; A3-0 = unpressed directions; A7-4 = 1
-  xor a, b ; A = pressed buttons + directions
-  ld b, a ; B = pressed buttons + directions
-
-  ; And release the controller
-  ld a, P1F_GET_NONE
-  ldh [rP1], a
-
-  ; Combine with previous wCurKeys to make wNewKeys
-  ld a, [wCurKeys]
-  xor a, b ; A = keys that changed state
-  and a, b ; A = keys that changed to pressed
-  ld [wNewKeys], a
-  ld a, b
-  ld [wCurKeys], a
-  ret
-
-.onenibble
-  ldh [rP1], a ; switch the key matrix
-  call .knownret ; burn 10 cycles calling a known ret
-  ldh a, [rP1] ; ignore value while waiting for the key matrix to settle
-  ldh a, [rP1]
-  ldh a, [rP1] ; this read counts
-  or a, $F0 ; A7-4 = 1; A3-0 = unpressed keys
-.knownret
+;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;
+; It's straight from: https://gbdev.io/gb-asm-tutorial/part2/input.html
+; In their words (paraphrased): reading player input for gameboy is NOT a trivial task
+; So it's best to use some tested code
+;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;
+
+include "src/main/includes/hardware.inc"
+
+ SECTION "Input", ROM0
+
+Input::
+
+	; Save th previous state
+	ld a, [wCurKeys]
+  ld [wLastKeys], a
+
+  ; Poll half the controller
+  ld a, P1F_GET_BTN
+  call .onenibble
+  ld b, a ; B7-4 = 1; B3-0 = unpressed buttons
+
+  ; Poll the other half
+  ld a, P1F_GET_DPAD
+  call .onenibble
+  swap a ; A3-0 = unpressed directions; A7-4 = 1
+  xor a, b ; A = pressed buttons + directions
+  ld b, a ; B = pressed buttons + directions
+
+  ; And release the controller
+  ld a, P1F_GET_NONE
+  ldh [rP1], a
+
+  ; Combine with previous wCurKeys to make wNewKeys
+  ld a, [wCurKeys]
+  xor a, b ; A = keys that changed state
+  and a, b ; A = keys that changed to pressed
+  ld [wNewKeys], a
+  ld a, b
+  ld [wCurKeys], a
+  ret
+
+.onenibble
+  ldh [rP1], a ; switch the key matrix
+  call .knownret ; burn 10 cycles calling a known ret
+  ldh a, [rP1] ; ignore value while waiting for the key matrix to settle
+  ldh a, [rP1]
+  ldh a, [rP1] ; this read counts
+  or a, $F0 ; A7-4 = 1; A3-0 = unpressed keys
+.knownret
   ret