Apple-2-Tools/hgr2rgbntsc
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michaelangel007 2014-12-29 10:56:38 -08:00
parent 962276a2ad
commit a179ee5b77
3 changed files with 181 additions and 31 deletions
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4
src/StdAfx.h
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@ -3,9 +3,13 @@
#define _CRT_SECURE_NO_WARNINGS 1
#endif // _MSC_VER
// Includes
#include <stdio.h>
#include <stdlib.h>
#include <stdint.h> // uint8_t
#include <string.h> // memset
#include <math.h> // cos sin
// Prototypes
uint8_t *MemGetMainPtr( uint16_t address );
uint8_t *MemGetAuxPtr ( uint16_t address );

201
src/main.cpp
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@ -1,6 +1,10 @@
/*
Copyleft {C} 2014 Michael Pohoreski
License: GPL2
Description: command line utility to convert an 8K Apple .hgr to .tga (or .bmp)
https://github.com/Michaelangel007/hgr2rgbntsc
Notes: Extracted from AppleWin NTSC
https://github.com/AppleWin/AppleWin
MSVC2010 Debug:
Configuration Properties, Debugging
@ -10,19 +14,18 @@ MSVC2010 Debug:
// Includes _______________________________________________________________
#include "StdAfx.h"
// uint8_t csbits[ 1024 ];
// void make_csbits() {};
uint8_t *MemGetMainPtr( uint16_t address );
uint8_t *MemGetAuxPtr ( uint16_t address );
#if 1
#include "wsvideo.cpp"
#include "cs.cpp"
#else
#define FRAMEBUFFER_W 600
#define FRAMEBUFFER_H 420
#endif
// Defines ________________________________________________________________
#if defined(_MSC_VER)
#define PACKED
#pragma pack(push,1)
#endif
#if defined(__GNUC__)
#define PACKED __attribute__ ((__packed__))
#endif
// Types __________________________________________________________________
@ -34,13 +37,9 @@ MSVC2010 Debug:
enum TargaImageType_e
{
TARGA_RGB = 2,
TARGA_HEADER_SIZE = 0x12
TARGA_TYPE_RGB = 2
};
#ifdef _MSC_VER
#pragma pack(push,1)
#endif // _MSC_VER
struct TargaHeader_t
{ // Addr Bytes
uint8_t nIdBytes ; // 00 01 size of ID field that follows 18 byte header (0 usually)
@ -59,10 +58,52 @@ MSVC2010 Debug:
uint8_t iDescriptor ; // 11 01 image descriptor bits (vh flip bits)
// pixel data...
uint8_t aPixelData[1] ; // 12 ?? variable length RGB data
//uint8_t aPixelData[1] ; // 12 ?? variable length RGB data
} PACKED;
enum BitmapImageType_e
{
BMP_TYPE_RGB = 0 // WinGDI.h BI_RGB
};
struct bgra_t
{
uint8_t b;
uint8_t g;
uint8_t r;
uint8_t a; // reserved on Win32
};
struct WinBmpHeader_t
{
// BITMAPFILEHEADER // Addr Size
uint8_t nCookie[2] ; // 0x00 0x02 BM
int32_t nSizeFile ; // 0x02 0x04 0 = ignore
int16_t nReserved1 ; // 0x06 0x02
int16_t nReserved2 ; // 0x08 0x02
int32_t nOffsetData ; // 0x0A 0x04
// == 0x0D (14)
// BITMAPINFOHEADER
int32_t nStructSize ; // 0x0E 0x04 biSize
int32_t nWidthPixels ; // 0x12 0x04 biWidth
int32_t nHeightPixels ; // 0x16 0x04 biHeight
int16_t nPlanes ; // 0x1A 0x02 biPlanes
int16_t nBitsPerPixel ; // 0x1C 0x02 biBitCount
int32_t nCompression ; // 0x1E 0x04 biCompression 0 = BI_RGB
int32_t nSizeImage ; // 0x22 0x04 0 = ignore
int32_t nXPelsPerMeter ; // 0x26 0x04
int32_t nYPelsPerMeter ; // 0x2A 0x04
int32_t nPaletteColors ; // 0x2E 0x04
int32_t nImportantColors; // 0x32 0x04
// == 0x28 (40)
// RGBQUAD
// pixelmap
} PACKED;
#ifdef _MSC_VER
#pragma pack(pop)
#pragma pack(pop)
#endif // _MSC_VER
enum VideoFlag_e
@ -83,12 +124,20 @@ MSVC2010 Debug:
int g_bVideoMode;
char BAD_TARGA__HEADER_SIZE_Compiler_Packing_not_19[ sizeof( TargaHeader_t ) == 18 ];
char BAD_BITMAP_HEADER_SIZE_Compiler_Packing_not_54[ sizeof( WinBmpHeader_t ) == (14 + 40) ];
bool g_bOutputBMP = false;
bool g_bScanLines50Percent = false; // leave every other line in the output blank
// Prototypes _____________________________________________________________
void convert( const char *pSrcFileName );
void init_mem();
void init_videomode();
void hgr2rgb();
void rgb2tga( TargaHeader_t *pTargaHeader );
void rgb2bmp( FILE *pDstFile );
void rgb2tga( FILE *pDstFile );
void rgb32to24write( FILE *pDstFile );
int usage();
// Implementation _________________________________________________________
@ -101,7 +150,7 @@ MSVC2010 Debug:
size_t nLen = strlen( pSrcFileName );
strcpy( aDstFileName , pSrcFileName );
strcat( pDstFileName + nLen, ".tga" );
strcat( pDstFileName + nLen, g_bOutputBMP ? ".bmp" : ".tga" );
printf( "Src: '%s'\n", pSrcFileName );
printf( "Dst: '%s'\n", pDstFileName );
@ -114,12 +163,13 @@ printf( "Dst: '%s'\n", pDstFileName );
size_t nPageHGR = 0x2000;
fread( gaMemMain + nPageHGR, _8K, 1, pSrcFile );
TargaHeader_t tga;
hgr2rgb();
rgb2tga( &tga );
fwrite( (void*)&tga , TARGA_HEADER_SIZE , 1, pDstFile );
fwrite( (void*)&gaFrameBuffer, sizeof( gaFrameBuffer ), 1, pDstFile );
if( g_bOutputBMP )
rgb2bmp( pDstFile );
else
rgb2tga( pDstFile );
}
else
printf( "ERROR: Couldn't open source file: '%s'\n", pSrcFileName );
@ -192,14 +242,92 @@ printf( "Dst: '%s'\n", pDstFileName );
}
//========================================================================
void rgb2tga( TargaHeader_t *pTargaHeader )
void rgb2bmp( FILE *pDstFile )
{
WinBmpHeader_t bmp, *pBMP = &bmp;
pBMP->nCookie[ 0 ] = 'B'; // 0x42
pBMP->nCookie[ 1 ] = 'M'; // 0x4d
pBMP->nSizeFile = 0;
pBMP->nReserved1 = 0;
pBMP->nReserved2 = 0;
pBMP->nOffsetData = sizeof(WinBmpHeader_t);
pBMP->nStructSize = 0x28; // sizeof( WinBmpHeader_t );
pBMP->nWidthPixels = FRAMEBUFFER_W;
pBMP->nHeightPixels = FRAMEBUFFER_H;
pBMP->nPlanes = 1;
pBMP->nBitsPerPixel = 24;
pBMP->nCompression = BMP_TYPE_RGB; // BI_RGB;
pBMP->nSizeImage = 0;
pBMP->nXPelsPerMeter = 0;
pBMP->nYPelsPerMeter = 0;
pBMP->nPaletteColors = 0;
pBMP->nImportantColors = 0;
fwrite( (void*)&bmp, sizeof( WinBmpHeader_t ), 1, pDstFile );
rgb32to24write( pDstFile );
}
//========================================================================
void rgb2tga( FILE *pDstFile )
{
TargaHeader_t tga, *pTargaHeader = &tga;
memset( (void*)pTargaHeader, 0, sizeof( TargaHeader_t ) );
pTargaHeader->iImageType = TARGA_RGB;
pTargaHeader->iImageType = TARGA_TYPE_RGB;
pTargaHeader->nWidthPixels = FRAMEBUFFER_W;
pTargaHeader->nHeightPixels = FRAMEBUFFER_H;
pTargaHeader->nBitsPerPixel = 24;
fwrite( (void*)&tga , sizeof( TargaHeader_t ), 1, pDstFile );
//fwrite( (void*)&gaFrameBuffer, sizeof( gaFrameBuffer ), 1, pDstFile ); // See 32-bit note below
rgb32to24write( pDstFile );
}
void rgb32to24write( FILE *pDstFile )
{
const int SRC_LINE_BYTES = FRAMEBUFFER_W * 4; // 32-bit
const int DST_LINE_BYTES = FRAMEBUFFER_W * 3; // 24-bit
uint8_t destLine[ DST_LINE_BYTES ];
/// Note: Framebuffer is 32-bit but we need to write 24-bit
uint8_t *pSrc = (uint8_t*) &gaFrameBuffer[0][0];
uint8_t *pDst;
if( !g_bScanLines50Percent )
pSrc += SRC_LINE_BYTES; // start on odd scanline
for( int y = 0; y < FRAMEBUFFER_H; y++ )
{
pDst = destLine;
for( int x = 0; x < FRAMEBUFFER_W; x++ )
{
*pDst++ = *pSrc++; // b
*pDst++ = *pSrc++; // g
*pDst++ = *pSrc++; // r
/* */ pSrc++; // a skip
}
fwrite( (void*)&destLine, DST_LINE_BYTES, 1, pDstFile );
if( !g_bScanLines50Percent )
{
fwrite( (void*)&destLine, DST_LINE_BYTES, 1, pDstFile );
y++;
pSrc += SRC_LINE_BYTES; // start on odd scanline
}
}
}
//========================================================================
int usage()
{
printf(
"hgr2rgb, Version 1 by Michael Pohoreski\n"
"usage: [-bmp | -tga] filename\n"
"Convert filename to .tga (default)\n"
"Source code and examples can be found at:\n"
" https://github.com/Michaelangel007/hgr2rgbntsc\n"
);
return 0;
}
//========================================================================
@ -214,15 +342,32 @@ printf( "Dst: '%s'\n", pDstFileName );
wsVideoInitModel( 1 ); // Apple //e
wsVideoInit();
wsVideoStyle( 1, 1 );
wsVideoStyle( 1, 2 ); // 1=single pixel, 2=double pixel
g_bVideoMode = VF_HIRES;
init_videomode();
if( nArg > 1 )
{
convert( aArg[1] );
int iArg = 1;
if( strcmp( aArg[1], "-bmp" ) == 0 )
{
g_bOutputBMP = true;
iArg = 2;
}
else
if( strcmp( aArg[1], "-tga" ) == 0 )
{
g_bOutputBMP = false;
iArg = 2;
}
if( strcmp( aArg[1], "-?" ) == 0 )
return usage();
convert( aArg[ iArg ] );
}
else
usage();
return 0;
}

7
src/wsvideo.cpp
View File

@ -712,7 +712,7 @@ unsigned char wsVideoByte (unsigned long cycle)
}
#define VIDEO_DRAW_BITS() do { \
printf( "VIDEO_DRAW_BITS: bt: %04X\n", bt );\
/* printf( "VIDEO_DRAW_BITS: bt: %04X\n", bt ); */ \
if (g_nColorBurstPixels < 2) \
{ \
/* #1 of 7 */ \
@ -1008,7 +1008,7 @@ void wsUpdateVideoDblHires (long ticks)
void wsUpdateVideoHires (long ticks)
{
unsigned ad, bt;
printf( "wsUpdateVideoHires( %d )\n", (int)ticks );
if (wsVideoMixed && g_nVideoClockVert >= VIDEO_SCANNER_Y_MIXED)
{
g_pFuncVideoText(ticks);
@ -1030,7 +1030,8 @@ printf( "wsUpdateVideoHires( %d )\n", (int)ticks );
unsigned char * main = MemGetMainPtr(ad);
bt = g_aPixelDoubleMaskHGR[main[0] & 0x7F]; // Optimization: hgrbits second 128 entries are mirror of first 128
if (main[0] & 0x80) bt = (bt << 1) | g_nLastColumnPixelNTSC;
if (main[0] & 0x80)
bt = (bt << 1) | g_nLastColumnPixelNTSC;
VIDEO_DRAW_BITS();
}
}