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WinterMuteWinterMute
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initial commit from coranac download
https://www.coranac.com/projects/tonc/
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‎Makefile

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#
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# Makefile for tonclib.
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#
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#---------------------------------------------------------------------------------
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.SUFFIXES:
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#---------------------------------------------------------------------------------
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ifeq ($(strip $(DEVKITARM)),)
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$(error "Please set DEVKITARM in your environment. export DEVKITARM=<path to>devkitARM)
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endif
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ifeq ($(strip $(DEVKITPRO)),)
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$(error "Please set DEVKITPRO in your environment. export DEVKITPRO=<path to>devkitPro)
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endif
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include $(DEVKITARM)/gba_rules
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BUILD := build
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SRCDIRS := asm src src/font src/tte src/pre1.3
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INCDIRS := include
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DATADIRS := data
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DATESTRING := $(shell date +%Y)$(shell date +%m)$(shell date +%d)
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ARCH := -mthumb -mthumb-interwork
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RARCH := -mthumb-interwork -mthumb
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IARCH := -mthumb-interwork -marm
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bTEMPS := 0 # Save gcc temporaries (.i and .s files)
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bDEBUG2 := 0 # Generate debug info (bDEBUG2? Not a full DEBUG flag. Yet)
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#---------------------------------------------------------------------------------
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# Options for code generation
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#---------------------------------------------------------------------------------
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CBASE := $(INCLUDE) -Wall -fno-strict-aliasing #-fno-tree-loop-optimize
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CBASE += -O2
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RCFLAGS := $(CBASE) $(RARCH)
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ICFLAGS := $(CBASE) $(IARCH) -mlong-calls #-fno-gcse
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CFLAGS := $(RCFLAGS)
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ASFLAGS := $(INCLUDE) -Wa,--warn $(ARCH)
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# --- Save temporary files ? ---
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ifeq ($(strip $(bTEMPS)), 1)
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RCFLAGS += -save-temps
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ICFLAGS += -save-temps
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CFLAGS += -save-temps
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CXXFLAGS += -save-temps
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endif
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# --- Debug info ? ---
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ifeq ($(strip $(bDEBUG2)), 1)
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CFLAGS += -g
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LDFLAGS += -g
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endif
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#---------------------------------------------------------------------------------
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# Path to tools - this can be deleted if you set the path in windows
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#---------------------------------------------------------------------------------
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export PATH := $(DEVKITARM)/bin:$(PATH)
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#---------------------------------------------------------------------------------
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ifneq ($(BUILD),$(notdir $(CURDIR)))
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export TARGET := $(CURDIR)/lib/libtonc.a
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export VPATH := $(foreach dir,$(DATADIRS),$(CURDIR)/$(dir)) $(foreach dir,$(SRCDIRS),$(CURDIR)/$(dir))
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ICFILES := $(foreach dir,$(SRCDIRS),$(notdir $(wildcard $(dir)/*.iwram.c)))
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RCFILES := $(foreach dir,$(SRCDIRS),$(notdir $(wildcard $(dir)/*.c)))
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CFILES := $(ICFILES) $(RCFILES)
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SFILES := $(foreach dir,$(SRCDIRS),$(notdir $(wildcard $(dir)/*.s)))
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BINFILES := $(foreach dir,$(DATADIRS),$(notdir $(wildcard $(dir)/*.*)))
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export OFILES := $(addsuffix .o,$(BINFILES)) $(CFILES:.c=.o) $(SFILES:.s=.o)
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export INCLUDE := $(foreach dir,$(INCDIRS),-I$(CURDIR)/$(dir))
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export DEPSDIR := $(CURDIR)/build
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.PHONY: $(BUILD) clean docs
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$(BUILD):
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@[ -d lib ] || mkdir -p lib
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@[ -d $@ ] || mkdir -p $@
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@make --no-print-directory -C $(BUILD) -f $(CURDIR)/Makefile
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docs:
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doxygen libtonc.dox
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clean:
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@echo clean ...
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@rm -fr $(BUILD)
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#---------------------------------------------------------------------------------
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else
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DEPENDS := $(OFILES:.o=.d)
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#---------------------------------------------------------------------------------
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%.a :
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$(TARGET): $(OFILES)
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%.a : $(OFILES)
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@echo Building $@
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@rm -f $@
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@$(AR) -crs $@ $^
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$(PREFIX)nm -Sn $@ > $(basename $(notdir $@)).map
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%.iwram.o : %.iwram.c
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@echo $(notdir $<)
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$(CC) -MMD -MP -MF $(DEPSDIR)/$(@:.o=.d) $(ICFLAGS) -c $< -o $@
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%.o : %.c
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@echo $(notdir $<)
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$(CC) -MMD -MP -MF $(DEPSDIR)/$*.d $(RCFLAGS) -c $< -o $@
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-include $(DEPENDS)
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endif
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#---------------------------------------------------------------------------------

‎asm/clr_blend_fast.s

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//
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// Color blend with 33 alpha levels
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//
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//! \file tonc_memcpy.s
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//! \author J Vijn
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//! \date 20071130 - 20090801
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#include "tonc_asminc.h"
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#ifndef CLR_ROUND
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#define CLR_ROUND 1
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#endif
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/*
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void clr_blend_fast(COLOR *srca, COLOR *srcb, COLOR *dst,
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int nclrs, u32 alpha) IWRAM_CODE;
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*/
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//! Blends color arrays \a srca and \a srcb into \a dst.
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/*! \param srca Source array A.
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\param srcb Source array B
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\param dst Destination array.
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\param nclrs Number of colors.
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\param alpha Blend weight (range: 0-32).
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\note u32 version, 2 clrs/loop. Loop: 18i/32c, Barrel shifter FTW.
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\note Properly rounds the blending. If you don't want that, remove
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the references to lr.
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*/
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BEGIN_FUNC_ARM(clr_blend_fast, CSEC_IWRAM)
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movs r3, r3, lsr #1 @ adjust nclrs for u32 run
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bxeq lr @ quit on nclrs=0
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ldr r12, [sp] @ get alpha from stack
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stmfd sp!, {r4-r10, lr}
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#if(CLR_ROUND==1)
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ldr lr, =0x00200401 @ -1-|1-1
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rsb r7, lr, lr, lsl #5 @ MASKLO: -g-|b-r
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#else
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ldr r7, =0x03E07C1F @ MASKLO: -g-|b-r
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#endif
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mov r6, r7, lsl #5 @ MASKHI: g-|b-r-
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.Lbld_fast_loop:
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ldr r8, [r0], #4 @ a= *pa++
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ldr r9, [r1], #4 @ b= *pb++
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@ --- -g-|b-r
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and r4, r6, r8, lsl #5 @ x/32: (-g-|b-r)
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and r5, r7, r9 @ y: -g-|b-r
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sub r5, r5, r4, lsr #5 @ z: y-x
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mla r4, r5, r12, r4 @ z: (y-x)*w + x*32
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#if(CLR_ROUND==1)
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add r4, r4, lr, lsl #4 @ round
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#endif
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and r10, r7, r4, lsr #5 @ blend(-g-|b-r)
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@ --- b-r|-g- (rotated by 16 for great awesome)
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and r4, r6, r8, ror #11 @ x/32: -g-|b-r (ror16)
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and r5, r7, r9, ror #16 @ y: -g-|b-r (ror16)
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sub r5, r5, r4, lsr #5 @ z: y-x
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mla r4, r5, r12, r4 @ z: (y-x)*w + x*32
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#if(CLR_ROUND==1)
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add r4, r4, lr, lsl #4 @ round
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#endif
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and r4, r7, r4, lsr #5 @ blend(-g-|b-r (ror16))
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@ --- mix -g-|b-r and b-r|-g-
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orr r10, r10, r4, ror #16
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@ --- write blended, loop
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str r10, [r2], #4 @ *dst++= c
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subs r3, r3, #1
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bgt .Lbld_fast_loop
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ldmfd sp!, {r4-r10, lr}
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bx lr
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END_FUNC(clr_blend_fast)
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@ EOF

‎asm/clr_fade_fast.s

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//
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// Color fade with 33 alpha levels
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//
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//! \file tonc_memcpy.s
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//! \author J Vijn
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//! \date 20071130 - 20071130
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#include "tonc_asminc.h"
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#ifndef CLR_ROUND
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#define CLR_ROUND 1
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#endif
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/*
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void clr_fade_fast(COLOR *src, COLOR clr, COLOR *dst,
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int nclrs, u32 alpha) IWRAM_CODE;
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*/
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//! Fades color arrays \a srca to \a clr into \a dst.
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/*! \param src Source array.
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* \param clr Final color (at alpha=32).
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* \param dst Destination array.
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* \param nclrs Number of colors.
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* \param alpha Blend weight (range: 0-32).
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* \note u32 version, 2 clrs/loop. Loop: 18i/32c, Barrel shifter FTW.
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*/
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.section .iwram,"ax", %progbits
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.align 2
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.arm
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.global clr_fade_fast
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clr_fade_fast:
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movs r3, r3, lsr #1 @ adjust nclrs for u32 run
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bxeq lr @ quit on nclrs=0
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ldr r12, [sp] @ get alpha from stack
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stmfd sp!, {r4-r10, lr}
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#if(CLR_ROUND==1)
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ldr lr, =0x00200401 @ -1-|1-1
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rsb r7, lr, lr, lsl #5 @ MASKLO: -g-|b-r
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#else
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ldr r7, =0x03E07C1F @ MASKLO: -g-|b-r
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#endif
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mov r6, r7, lsl #5 @ MASKHI: g-|b-r-
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@ Precalc y1 and y2
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orr r1, r1, r1, lsl #16
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and r9, r7, r1, ror #16 @ precalc: y2= -g-|b-r (ror16)
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and r1, r7, r1 @ precalc: y1= -g-|b-r
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.Lfade_fast_loop:
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ldr r8, [r0], #4 @ a= *pa++
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@ --- -g-|b-r
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and r4, r6, r8, lsl #5 @ x/32: (-g-|b-r)
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sub r5, r1, r4, lsr #5 @ z: y1-x
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mla r4, r5, r12, r4 @ z: (y1-x)*w + x*32
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#if(CLR_ROUND==1)
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add r4, r4, lr, lsl #4 @ round
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#endif
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and r10, r7, r4, lsr #5 @ blend(-g-|b-r)
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@ --- b-r|-g- (rotated by 16 for great awesome)
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and r4, r6, r8, ror #11 @ x/32: -g-|b-r (ror16)
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sub r5, r9, r4, lsr #5 @ z: y2-x
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mla r4, r5, r12, r4 @ z: (y2-x)*w + x*32
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#if(CLR_ROUND==1)
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add r4, r4, lr, lsl #4 @ round
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#endif
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and r4, r7, r4, lsr #5 @ blend(-g-|b-r (ror16))
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@ --- mix -g-|b-r and b-r|-g-
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orr r10, r10, r4, ror #16
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@ --- write faded, loop
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str r10, [r2], #4 @ *dst++= c
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subs r3, r3, #1
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bgt .Lfade_fast_loop
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ldmfd sp!, {r4-r10, lr}
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bx lr
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@ EOF

‎asm/div_lut.s

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@ ======================================================================
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@ Look-Up Tables
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@ div_lut: ceil(2^16/x)
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@
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@ Exported by Cearn's excellut v1.0
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@ (comments, kudos, flames to [email protected])
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@
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@ ======================================================================
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.section .rodata
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@ -----------------------------------------------------------------------
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@ div_lut: a 257 long LUT of 32bit values in 16.16 format
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@ ceil(1/x)
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.global div_lut
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.align 2
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div_lut:
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.word 0x7FFFFFFF,0x00010000,0x00008000,0x00005556,0x00004000,0x00003334,0x00002AAB,0x00002493
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.word 0x00002000,0x00001C72,0x0000199A,0x00001746,0x00001556,0x000013B2,0x0000124A,0x00001112
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.word 0x00001000,0x00000F10,0x00000E39,0x00000D7A,0x00000CCD,0x00000C31,0x00000BA3,0x00000B22
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.word 0x00000AAB,0x00000A3E,0x000009D9,0x0000097C,0x00000925,0x000008D4,0x00000889,0x00000843
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.word 0x00000800,0x000007C2,0x00000788,0x00000751,0x0000071D,0x000006EC,0x000006BD,0x00000691
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.word 0x00000667,0x0000063F,0x00000619,0x000005F5,0x000005D2,0x000005B1,0x00000591,0x00000573
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.word 0x00000556,0x0000053A,0x0000051F,0x00000506,0x000004ED,0x000004D5,0x000004BE,0x000004A8
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.word 0x00000493,0x0000047E,0x0000046A,0x00000457,0x00000445,0x00000433,0x00000422,0x00000411
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.word 0x00000400,0x000003F1,0x000003E1,0x000003D3,0x000003C4,0x000003B6,0x000003A9,0x0000039C
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.word 0x0000038F,0x00000382,0x00000376,0x0000036A,0x0000035F,0x00000354,0x00000349,0x0000033E
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.word 0x00000334,0x0000032A,0x00000320,0x00000316,0x0000030D,0x00000304,0x000002FB,0x000002F2
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.word 0x000002E9,0x000002E1,0x000002D9,0x000002D1,0x000002C9,0x000002C1,0x000002BA,0x000002B2
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.word 0x000002AB,0x000002A4,0x0000029D,0x00000296,0x00000290,0x00000289,0x00000283,0x0000027D
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.word 0x00000277,0x00000271,0x0000026B,0x00000265,0x0000025F,0x0000025A,0x00000254,0x0000024F
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.word 0x0000024A,0x00000244,0x0000023F,0x0000023A,0x00000235,0x00000231,0x0000022C,0x00000227
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.word 0x00000223,0x0000021E,0x0000021A,0x00000215,0x00000211,0x0000020D,0x00000209,0x00000205
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.word 0x00000200,0x000001FD,0x000001F9,0x000001F5,0x000001F1,0x000001ED,0x000001EA,0x000001E6
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.word 0x000001E2,0x000001DF,0x000001DB,0x000001D8,0x000001D5,0x000001D1,0x000001CE,0x000001CB
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.word 0x000001C8,0x000001C4,0x000001C1,0x000001BE,0x000001BB,0x000001B8,0x000001B5,0x000001B3
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.word 0x000001B0,0x000001AD,0x000001AA,0x000001A7,0x000001A5,0x000001A2,0x0000019F,0x0000019D
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.word 0x0000019A,0x00000198,0x00000195,0x00000193,0x00000190,0x0000018E,0x0000018B,0x00000189
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.word 0x00000187,0x00000184,0x00000182,0x00000180,0x0000017E,0x0000017B,0x00000179,0x00000177
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.word 0x00000175,0x00000173,0x00000171,0x0000016F,0x0000016D,0x0000016B,0x00000169,0x00000167
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.word 0x00000165,0x00000163,0x00000161,0x0000015F,0x0000015D,0x0000015B,0x00000159,0x00000158
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.word 0x00000156,0x00000154,0x00000152,0x00000151,0x0000014F,0x0000014D,0x0000014B,0x0000014A
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.word 0x00000148,0x00000147,0x00000145,0x00000143,0x00000142,0x00000140,0x0000013F,0x0000013D
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.word 0x0000013C,0x0000013A,0x00000139,0x00000137,0x00000136,0x00000134,0x00000133,0x00000131
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.word 0x00000130,0x0000012F,0x0000012D,0x0000012C,0x0000012A,0x00000129,0x00000128,0x00000126
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.word 0x00000125,0x00000124,0x00000122,0x00000121,0x00000120,0x0000011F,0x0000011D,0x0000011C
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.word 0x0000011B,0x0000011A,0x00000119,0x00000117,0x00000116,0x00000115,0x00000114,0x00000113
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.word 0x00000112,0x00000110,0x0000010F,0x0000010E,0x0000010D,0x0000010C,0x0000010B,0x0000010A
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.word 0x00000109,0x00000108,0x00000107,0x00000106,0x00000105,0x00000104,0x00000103,0x00000102
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.word 0x00000100
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.size div_lut, .-div_lut

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