import: blit code generator (WIP) pei code-gen can be optmized more
This commit is contained in:
dwsJason
parent
0f4346d382
commit
7ad65f0f9c
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#--------------------------------------------------------
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# $File: Makefile,v $
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#
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# $Date: 2018/08/21 $
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# $Author: jandersen $
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# $Revision: #1 $
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#--------------------------------------------------------
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#
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# blit GCC-Gnu Makefile
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#
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# Generate Back Buffer Blit Code
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#
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SHELL = /bin/sh
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MKDIR = mkdir
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TARGET = blit
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PROJROOT = .
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#SYSTEM = /usr
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#SYSLIBDIR = $(SYSTEM)/lib
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#SYSINCDIR = $(SYSTEM)/include
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INCCMD = -I$(SYSINCDIR)
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INCCMD += -I$(PROJROOT)/source
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INCCMD += -I$(PROJROOT)/include
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OBJDIR = $(PROJROOT)/obj
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DEPDIR = $(PROJROOT)/dep
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LSTDIR = $(PROJROOT)/lst
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#
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# Special GnuMake Search Path Directive
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#
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VPATH = $(PROJROOT)/source
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#
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# Dedicated Search Paths for Specific Types
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#
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# Can be used to speed up compile by using this feature
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# for each filetype (reducing the amount of searching)
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#
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vpath %.o $(OBJDIR)
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vpath %.d $(DEPDIR)
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LIBCMD +=-lm
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OBJS := blit.o
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OBJS += rawdata.o
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# change list of .o's into a list of .d's
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DEPS := $(OBJS:%.o=%.d)
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AS = gcc
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CC = gcc
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LD = gcc
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RM = /bin/rm -rfv
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CFLAGS = -O2 -Wall -Werror -Wa,-al -fno-common
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CXXFLAGS = -O2 -Wall -Werror -Wa,-al -fno-common
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ASFLAGS = -c -xassembler-with-cpp -Wa,-al
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LDFLAGS = -Wl,-Map,$(TARGET).map $(LIBCMD)
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# Clear Default Suffixes
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.SUFFIXES:
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# Set my Own Suffixes
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.SUFFIXES: .c .s .cc .d .o
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all: $(TARGET)
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$(TARGET): $(DEPS) $(OBJS) $(LIBS)
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$(LD) -o $@ $(addprefix $(OBJDIR)/,$(OBJS)) $(LIBS) $(LDFLAGS)
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# Object Rules
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.s.o:
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$(AS) $(ASFLAGS) $(TMPFLAGS) $(INCCMD) -o $(OBJDIR)/$@ $< > $(LSTDIR)/$*.lst
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.c.o:
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$(CC) $(CFLAGS) $(TMPFLAGS) $(INCCMD) -c $< -o $(OBJDIR)/$*.o > $(LSTDIR)/$*.lst
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.cc.o:
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$(CC) $(CXXFLAGS) $(TMPFLAGS) $(INCCMD) -c $< -o $(OBJDIR)/$*.o > $(LSTDIR)/$*.lst
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# Dependencie Rules
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#
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# for now just touch, to create the file if its not defined
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#
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.s.d:
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touch $(DEPDIR)/$*.d
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.c.d:
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set -e; $(CC) -M $(CFLAGS) $(INCCMD) $< \
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| sed 's/\($*\)\.o[ :]*/\1.o $@ : /g' > $(DEPDIR)/$@; \
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[ -s $(DEPDIR)/$@ ] || rm -f $(DEPDIR)/$@
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.cc.d:
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set -e; $(CC) -M $(CXXFLAGS) $(INCCMD) $< \
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| sed 's/\($*\)\.o[ :]*/\1.o $@ : /g' > $(DEPDIR)/$@; \
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[ -s $(DEPDIR)/$@ ] || rm -f $(DEPDIR)/$@
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.PHONY: install
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install: $(TARGET)
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cp $(TARGET).exe $(PROJROOT)/../bin
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.PHONY: clean
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clean:
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$(RM) $(OBJDIR) *.o $(DEPDIR) *.map $(LSTDIR) $(TARGET) $(TARGET).exe
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########################################
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#
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# HELPER TARGET RULES
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#
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########################################
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#
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# Target that forces all of the objects to be rebuilt if the makefile changes
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#
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$(OBJS) : Makefile
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$(DEPS) : Makefile
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#
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# Targets that create the output object directory if it doesn't already exist
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#
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Makefile : $(OBJDIR) $(DEPDIR) $(LSTDIR)
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$(OBJDIR) :
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$(MKDIR) $(OBJDIR)
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#
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# Targets that create the output dependency directory if it doesn't already exist
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#
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$(DEPDIR) :
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$(MKDIR) $(DEPDIR)
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#
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# Targets that create the output list directory if it doesn't already exist
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#
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$(LSTDIR) :
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$(MKDIR) $(LSTDIR)
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#
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# Generated Dependencie Files
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#
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-include $(wildcard $(DEPDIR)/*.d)
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@ -0,0 +1,53 @@
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/*
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bctypes.h
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Budcat Standard Types
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(c) 2001-2006 Budcat Creations, LLC.
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*/
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#ifndef _bctypes_h
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#define _bctypes_h
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typedef signed char i8;
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typedef unsigned char u8;
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typedef signed short i16;
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typedef unsigned short u16;
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typedef signed long i32;
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typedef unsigned long u32;
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#if !_MSVC
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typedef signed long long i64;
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typedef unsigned long long u64;
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//typedef int i128 __attribute__ ((__mode__(__TI__))); // 128 bit integer
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//typedef int s128 __attribute__ ((__mode__(__TI__))); // 128 bit signed integer
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//typedef unsigned int u128 __attribute__ ((__mode__(__TI__))); // 128 bit unsigned integer
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#endif
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typedef i32 bool;
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typedef float f32;
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typedef float r32;
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typedef double f64;
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typedef double r64;
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#define false (0)
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#define true (!false)
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#define null (0)
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// Odd Types
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typedef union {
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// u128 ul128;
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u64 ul64[2];
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u32 ui32[4];
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} QWdata;
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#endif // _bctypes_h
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// EOF - bctypes.h
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/*
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#--------------------------------------------------------
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# $File: blit.c,v $
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#--------------------------------------------------------
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*/
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#include <stdio.h>
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#include <string.h>
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#include <stdlib.h>
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#include <stdarg.h>
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#include "bctypes.h"
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#include "blit.h"
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#include "rawdata.h"
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RAWDATA* gResult = NULL;
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void AddString(RAWDATA* pRaw, char* pString)
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{
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size_t len = strlen(pString);
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size_t newlen = len+pRaw->size;
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pRaw->data = (unsigned char*) realloc(pRaw->data, newlen);
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memcpy(pRaw->data + pRaw->size, pString, len);
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pRaw->size = newlen;
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}
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int AddLine(char*pLabel,char*pInst,char*pExp,int val,int clocks)
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{
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if (gResult)
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{
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char temp[256];
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char pArg[256];
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memset(pArg,0,256);
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sprintf(pArg,pExp,val);
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sprintf(temp, "%8s %3s %s\n", pLabel,pInst,pArg);
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AddString(gResult, temp);
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}
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return clocks;
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}
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//
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// Call it with A = 0
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// And the S set to the DPage Table in memory
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//
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void CompileBlockTRB(RAWDATA *result, int x, int width)
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{
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int clocks = 0;
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//clocks += AddLine("","TCD"," ; Set DP ",0,2);
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//clocks += AddLine("","TXA"," ; Zero out A", 0,2);
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clocks += AddLine("","PLD"," ; Set DP", 0,4);
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for (int y = 0; y < 8; ++y)
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{
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int p = y * 160;
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//for (int xs = x; xs < (x+width) ; xs+=4)
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for (int xs = 0; xs < 320; xs+=4)
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{
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int xbyte = (xs>>1) + p;
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if ((0 == (xbyte&0xFF)) && y)
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{
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clocks += AddLine("","PLD"," ; Set DP", 0,4);
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//clocks += AddLine("","TDC"," ; Set DP ",0,2);
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//clocks += AddLine("","ADC","#$100",0,3);
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//clocks += AddLine("","TCD"," ; Set DP ",0,2);
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//clocks += AddLine("","TXA"," ; Zero out A", 0,2);
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}
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if ((xs>=x)&&(xs<(x+width)))
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{
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clocks += AddLine("","TRB","$%02X",xbyte&0xFF,7);
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}
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}
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}
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clocks += AddLine("","RTL"," ;%d cycles",clocks+6,6);
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}
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RAWDATA* CompileTRB()
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{
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RAWDATA* result = (RAWDATA*)malloc(sizeof(RAWDATA));
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memset(result, 0, sizeof(RAWDATA));
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char temp_label[256];
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gResult = result;
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int screen_width = 320;
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int width = 320;
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int pixel_step = 8; // x position granularity
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int pixel_block = 8; // min width
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while (width >= pixel_block)
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{
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for (int x = 0; x <= (screen_width - width); x+=pixel_step)
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{
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printf(temp_label,"blit%d_%d\n", x, width);
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sprintf(temp_label,"blit%d_%d\n", x, width);
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AddString(result, temp_label);
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CompileBlockTRB(result, x, width);
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}
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width -= pixel_block;
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}
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return result;
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}
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/*
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lda #$2000
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tcd
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lda #$20FF
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tcs
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pei $fe
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pei $fc
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pei $f8
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....
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....
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pei $02
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pei $00
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inc
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tcd
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adc #$FF
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tcs
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..........
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For regions less than the page width, go line by line
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call with X
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*/
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void CompileBlockPEI(RAWDATA *result, int x, int width)
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{
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int clocks = 0;
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clocks += AddLine("","TCD"," ; Set DP ",0,2);
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clocks += AddLine("","ADC","#%d",((x+width)>>1)+1,3);
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clocks += AddLine("","TCS","",0,2);
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int dp = 0;
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for (int y = 0; y < 8; ++y)
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{
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int p = y * 160;
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//for (int xs = x; xs < (x+width) ; xs+=4)
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for (int xs = 316; xs >= 0; xs-=4)
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{
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int xbyte = (xs>>1) + p;
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#if 0
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if ((0 == (xbyte&0xFF)) && y)
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{
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clocks += AddLine("","TDC"," ; Set DP ",0,2);
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clocks += AddLine("","ADC","#$100",0,3);
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clocks += AddLine("","TCD"," ; Set DP ",0,2);
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}
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#endif
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if ((xs>=x)&&(xs<(x+width)))
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{
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if ((dp & 0xFF00) != (xbyte & 0xFF00))
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{
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int delta = (xbyte&0xFF00) - (dp & 0xFF00);
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if (delta < 0)
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{
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delta--; // need a fudge because of carry
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}
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clocks += AddLine("", "TDC", " ; Set DP ", 0, 2);
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clocks += AddLine("","ADC","#%d",delta,3);
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clocks += AddLine("","TCD"," ; Set DP ",0,2);
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}
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clocks += AddLine("", "PEI", "$%02X", xbyte & 0xFF, 6);
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dp = xbyte;
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}
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}
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if (y < 7)
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{
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clocks += AddLine("","TSC"," ;",0,2);
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clocks += AddLine("","ADC","#%d",160+(width>>1),3);
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clocks += AddLine("","TCS"," ; Set Stack ",0,2);
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}
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}
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clocks += AddLine("","RTL"," ;%d cycles",clocks+6,6);
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}
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RAWDATA* CompilePEI()
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{
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RAWDATA* result = (RAWDATA*)malloc(sizeof(RAWDATA));
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memset(result, 0, sizeof(RAWDATA));
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char temp_label[256];
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gResult = result;
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int screen_width = 320;
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int width = 320;
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int pixel_step = 8; // x position granularity
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int pixel_block = 8; // min width
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while (width >= pixel_block)
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{
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for (int x = 0; x <= (screen_width - width); x+=pixel_step)
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{
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printf(temp_label,"blit%d_%d\n", x, width);
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sprintf(temp_label,"blit%d_%d\n", x, width);
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AddString(result, temp_label);
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CompileBlockPEI(result, x, width);
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}
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width -= pixel_block;
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}
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return result;
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}
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static void _usage()
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{
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printf("blit v%s\n\n", VERSION);
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printf("Usage: blit\n"
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"Written by Jason Andersen\n"
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"Copyright (c) 2018 Jason Andersen.\n"
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"Unauthorized use prohibited\n");
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exit(1);
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} // usage
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//
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// Parse command line options
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//
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int main(int argc, char **argv)
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{
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// Check Arguments
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while (--argc > 0 && (*++argv)[0] == '-')
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{
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*argv+=1;
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if (strcmp("v", *argv) == 0)
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{
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printf("blit v%s\n", VERSION);
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exit(0);
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}
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*argv+= strlen(*argv); // skip rest of string
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}
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if (argc) _usage();
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RAWDATA* pBlitTRB = CompileTRB();
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saveRaw(pBlitTRB, "trb.txt");
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RAWDATA* pBlitPEI = CompilePEI();
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saveRaw(pBlitPEI, "pei.txt");
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printf("\nblit - Processing complete.\n");
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exit(0);
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} // main
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// eof - blit.c
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@ -0,0 +1,18 @@
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/*
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#--------------------------------------------------------
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# $File: blit.h,v $
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# $Author: jandersen $
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# $Revision: #1 $
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#--------------------------------------------------------
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*/
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#ifndef _blit_h
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#define _blit_h
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#define VERSION "1.00"
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#endif // _blit_h
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// EOF - blit.h
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@ -0,0 +1,53 @@
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#include <stdio.h>
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#include <string.h>
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#include <stdlib.h>
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#include <stdarg.h>
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|
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#include "rawdata.h"
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RAWDATA* loadRaw(const char* path)
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{
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FILE* rawFile = fopen( path, "rb" );
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|
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if (rawFile)
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{
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RAWDATA* pData = (RAWDATA*)malloc(sizeof(RAWDATA));
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fseek(rawFile, 0, SEEK_END);
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pData->size = ftell(rawFile);
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fseek(rawFile, 0, SEEK_SET);
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pData->data = (unsigned char*)malloc(pData->size);
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|
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size_t read_size = fread(pData->data, 1, pData->size, rawFile);
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|
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if (read_size != pData->size)
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{
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printf("WARNING: read %ld of %ld bytes\n", read_size, pData->size);
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}
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|
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fclose(rawFile);
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return pData;
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}
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return NULL;
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}
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void saveRaw(RAWDATA* pData, const char* path)
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{
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FILE* rawFile = fopen( path, "wb" );
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|
||||
if (rawFile)
|
||||
{
|
||||
fwrite(pData->data, 1, pData->size, rawFile);
|
||||
fclose(rawFile);
|
||||
}
|
||||
}
|
||||
|
||||
// rawdata.c
|
||||
|
||||
|
|
@ -0,0 +1,16 @@
|
|||
|
||||
#ifndef _rawdata_h_
|
||||
#define _rawdata_h_
|
||||
|
||||
#include "bctypes.h"
|
||||
|
||||
typedef struct {
|
||||
unsigned char* data; // pointer to data
|
||||
size_t size; // size in bytes
|
||||
} RAWDATA;
|
||||
|
||||
|
||||
RAWDATA* loadRaw(const char* path);
|
||||
void saveRaw(RAWDATA* pData, const char* path);
|
||||
|
||||
#endif //_rawdata_h_
|
||||
Loading…
Reference in New Issue