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emu_atari800.cpp
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/* Copyright (c) 2020, Peter Barrett
**
** Permission to use, copy, modify, and/or distribute this software for
** any purpose with or without fee is hereby granted, provided that the
** above copyright notice and this permission notice appear in all copies.
**
** THE SOFTWARE IS PROVIDED "AS IS" AND THE AUTHOR DISCLAIMS ALL
** WARRANTIES WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED
** WARRANTIES OF MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL THE AUTHOR
** BE LIABLE FOR ANY SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL DAMAGES
** OR ANY DAMAGES WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS,
** WHETHER IN AN ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION,
** ARISING OUT OF OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS
** SOFTWARE.
*/
#include "emu.h"
#include "media.h"
#include "math.h"
extern "C" {
#include "atari800/libatari800.h"
#include "atari800/sound.h"
#include "atari800/akey.h"
#include "atari800/memory.h"
}
using namespace std;
string get_ext(const string& s);
std::string to_string(int i);
static
int gamma_(float v, float g)
{
if (v < 0)
return 0;
v = powf(v,g);
if (v <= 0.0031308)
return 0;
int c = ((1.055 * powf(v, 1.0/2.4) - 0.055)*255);
return c < 255 ? c : 255;
}
// make_yuv_palette from RGB palette
void make_yuv_palette(const char* name, const uint32_t* rgb, int len)
{
uint32_t pal[256*2];
uint32_t* even = pal;
uint32_t* odd = pal + len;
float chroma_scale = BLANKING_LEVEL/2/256;
//chroma_scale /= 127; // looks a little washed out
chroma_scale /= 80;
for (int i = 0; i < len; i++) {
uint8_t r = rgb[i] >> 16;
uint8_t g = rgb[i] >> 8;
uint8_t b = rgb[i];
float y = 0.299 * r + 0.587*g + 0.114 * b;
float u = -0.147407 * r - 0.289391 * g + 0.436798 * b;
float v = 0.614777 * r - 0.514799 * g - 0.099978 * b;
y /= 255.0;
y = (y*(WHITE_LEVEL-BLACK_LEVEL) + BLACK_LEVEL)/256;
uint32_t e = 0;
uint32_t o = 0;
for (int i = 0; i < 4; i++) {
float p = 2*M_PI*i/4 + M_PI;
float s = sin(p)*chroma_scale;
float c = cos(p)*chroma_scale;
uint8_t e0 = round(y + (s*u) + (c*v));
uint8_t o0 = round(y + (s*u) - (c*v));
e = (e << 8) | e0;
o = (o << 8) | o0;
}
*even++ = e;
*odd++ = o;
}
printf("uint32_t %s_4_phase_pal[] = {\n",name);
for (int i = 0; i < len*2; i++) { // start with luminance map
printf("0x%08X,",pal[i]);
if ((i & 7) == 7)
printf("\n");
if (i == (len-1)) {
printf("//odd\n");
}
}
printf("};\n");
/*
// don't bother with phase tables
printf("uint8_t DRAM_ATTR %s[] = {\n",name);
for (int i = 0; i < len*(1<<PHASE_BITS)*2; i++) {
printf("0x%02X,",yuv[i]);
if ((i & 15) == 15)
printf("\n");
if (i == (len*(1<<PHASE_BITS)-1)) {
printf("//odd\n");
}
}
printf("};\n");
*/
}
// atari pal palette cc_width==4
static void make_atari_4_phase_pal(const uint16_t* lum, const float* angle)
{
uint32_t _pal4[256*2];
uint32_t *even = _pal4;
uint32_t *odd = even + 256;
float chroma_scale = BLANKING_LEVEL/2/256;
chroma_scale *= 1.5;
float s,c,u,v;
for (int cr = 0; cr < 16; cr++) {
if (cr == 0) {
u = v = 0;
} else {
u = cos(angle[16-cr]);
v = sin(angle[16-cr]);
}
for (int lm = 0; lm < 16; lm++) {
uint32_t e = 0;
uint32_t o = 0;
for (int i = 0; i < 4; i++) {
float p = 2*M_PI*i/4;
s = sin(p)*chroma_scale;
c = cos(p)*chroma_scale;
uint8_t e0 = round(lum[lm] + (s*u) + (c*v));
uint8_t o0 = round(lum[lm] + (s*u) - (c*v));
e = (e << 8) | e0;
o = (o << 8) | o0;
}
*even++ = e;
*odd++ = o;
}
}
printf("uint32_t atari_4_phase_pal[] = {\n");
for (int i = 0; i < 256*2; i++) { // start with luminance map
printf("0x%08X,",_pal4[i]);
if ((i & 7) == 7)
printf("\n");
if (i == 255) {
printf("//odd\n");
}
}
printf("};\n");
}
static int PIN(int x)
{
if (x < 0) return 0;
if (x > 255) return 255;
return x;
}
static uint32_t rgb(int r, int g, int b)
{
return (PIN(r) << 16) | (PIN(g) << 8) | PIN(b);
}
// lifted from atari800
static void make_atari_rgb_palette(uint32_t* palette)
{
float start_angle = (303.0f) * M_PI / 180.0f;
float start_saturation = 0;
float color_diff = 26.8 * M_PI / 180.0; // color_delay
float scaled_black_level = (double)16 / 255.0;
float scaled_white_level = (double)235 / 255.0;
float contrast = 0;
float brightness = 0;
float luma_mult[16]={
0.6941, 0.7091, 0.7241, 0.7401,
0.7560, 0.7741, 0.7931, 0.8121,
0.8260, 0.8470, 0.8700, 0.8930,
0.9160, 0.9420, 0.9690, 1.0000};
uint32_t linear[256];
uint16_t _lum[16];
float _angle[16];
for (int cr = 0; cr < 16; cr ++) {
float angle = start_angle + (cr - 1) * color_diff;
float saturation = (cr ? (start_saturation + 1) * 0.175f: 0.0);
float i = cos(angle) * saturation;
float q = sin(angle) * saturation;
_angle[cr] = angle + 2*M_PI*33/360;
for (int lm = 0; lm < 16; lm ++) {
float y = (luma_mult[lm] - luma_mult[0]) / (luma_mult[15] - luma_mult[0]);
_lum[lm] = (y*(WHITE_LEVEL-BLACK_LEVEL) + BLACK_LEVEL)/256;
y *= contrast * 0.5 + 1;
y += brightness * 0.5;
y = y * (scaled_white_level - scaled_black_level) + scaled_black_level;
float gmma = 2.35;
float r = (y + 0.946882*i + 0.623557*q);
float g = (y + -0.274788*i + -0.635691*q);
float b = (y + -1.108545*i + 1.709007*q);
linear[(cr << 4) | lm] = rgb(r*255,g*255,b*255);
palette[(cr << 4) | lm] = (gamma_(r,gmma) << 16) | (gamma_(g,gmma) << 8) | (gamma_(b,gmma) << 0);
}
}
make_atari_4_phase_pal(_lum,_angle);
}
void make_atari_rgb_palette()
{
uint32_t _atari_pal[256];
make_atari_rgb_palette(_atari_pal);
for (int i = 0; i < 256; i++) {
printf("0x%08X,",_atari_pal[i]);
if ((i & 7) == 7)
printf("\n");
}
}
// derived from atari800
static void atari_palette(float start_angle = 0)
{
float color_diff = 28.6 * M_PI / 180.0;
int cr, lm;
float luma_mult[16]={
0.6941, 0.7091, 0.7241, 0.7401,
0.7560, 0.7741, 0.7931, 0.8121,
0.8260, 0.8470, 0.8700, 0.8930,
0.9160, 0.9420, 0.9690, 1.0000};
int i = 0;
uint32_t pal[256];
printf("const uint32_t atari_4_phase_ntsc[256] = {\n");
for (cr = 0; cr < 16; cr ++) {
float angle = start_angle + ((15-cr) - 1) * color_diff;
for (lm = 0; lm < 16; lm ++) {
//double y = luma_mult[lm]*lm*(WHITE_LEVEL-BLACK_LEVEL)/15 + BLACK_LEVEL;
double y = lm*(WHITE_LEVEL-BLACK_LEVEL)/15 + BLACK_LEVEL;
int p[4];
for (int j = 0; j < 4; j++)
p[j] = y;
for (int j = 0; j < 4; j++)
p[j] += sin(angle + 2*M_PI*j/4) * (cr ? BLANKING_LEVEL/2 : 0);
uint32_t pi = 0;
for (int j = 0; j < 4; j++)
pi = (pi << 8) | p[j] >> 8;
pal[i++] = pi;
printf("0x%08X,",pi);
if ((lm & 7) == 7)
printf("\n");
}
}
printf("};\n");
// swizzled for ESP32
#define P0 (color >> 16)
#define P1 (color >> 8)
#define P2 (color)
#define P3 (color << 8)
uint32_t color;
// swizzed pattern for esp32 is 0 2 1 3
printf("const uint32_t _atari_4_phase_esp[256] = {\n");
for (int i = 0; i < 256; i++) {
color = pal[i];
color = (color & 0xFF0000FF) | ((color << 8) & 0x00FF0000) | ((color >> 8) & 0x0000FF00);
printf("0x%08X,",color);
if ((i & 7) == 7)
printf("\n");
}
printf("};\n");
}
/*
6502 MPU:
MOS Technology MCS6502A or equivalent (most NTSC 400/800 machines)
Atari SALLY (late NTSC 400/800, all PAL 400/800, and all XL/XE)
CPU CLOCK RATE:
1.7897725MHz (NTSC machines)
1.7734470MHz (PAL/SECAM machines)
FRAME REFRESH RATE:
59.94Hz (NTSC machines)
49.86Hz (PAL/SECAM machines)
MACHINE CYCLES per FRAME:
29859 (NTSC machines) (1.7897725MHz / 59.94Hz)
35568 (PAL/SECAM machines) (1.7734470MHz / 49.86Hz)
SCAN LINES per FRAME
262 (NTSC machines)
312 (PAL/SECAM machines)
MACHINE CYCLES per SCAN LINE
114 (NTSC machines: 29859 cycles/frame / 262 lines/frame;
PAL/SECAM machines: 35568 cycles/frame / 312 lines/frame)
COLOR CLOCKS per MACHINE CYCLE
2
COLOR CLOCKS per SCAN LINE
228 (2 color clocks/machine cycle * 114 machine cycles/scan line)
MAXIMUM SCAN LINE WIDTH = "WIDE PLAYFIELD"
176 color clocks
MAXIMUM RESOLUTION = GRAPHICS PIXEL
0.5 color clock
MAXIMUM HORIZONTAL FRAME RESOLUTION
352 pixels (176 color clocks / 0.5 color clock)
MAXIMUM VERTICAL FRAME RESOLUTION
240 pixels (240 scan lines per frame)
*/
typedef struct {
int id;
int size;
const char* machine;
const char* name;
} cart_info;
const cart_info _cart_info[] = {
{ 0,0,"","" },
{ 1,8,"800/XL/XE","Standard 8 KB cartridge" },
{ 2,16,"800/XL/XE","Standard 16 KB cartridge" },
{ 3,16,"800/XL/XE","OSS two chip 16 KB cartridge (034M)" },
{ 4,32,"5200","Standard 32 KB 5200 cartridge" },
{ 5,32,"800/XL/XE","DB 32 KB cartridge" },
{ 6,16,"5200","Two chip 16 KB 5200 cartridge" },
{ 7,40,"5200","Bounty Bob Strikes Back 40 KB 5200 cartridge" },
{ 8,64,"800/XL/XE","64 KB Williams cartridge" },
{ 9,64,"800/XL/XE","Express 64 KB cartridge" },
{ 10,64,"800/XL/XE","Diamond 64 KB cartridge" },
{ 11,64,"800/XL/XE","SpartaDOS X 64 KB cartridge" },
{ 12,32,"800/XL/XE","XEGS 32 KB cartridge" },
{ 13,64,"800/XL/XE","XEGS 64 KB cartridge" },
{ 14,128,"800/XL/XE","XEGS 128 KB cartridge" },
{ 15,16,"800/XL/XE","OSS one chip 16 KB cartridge" },
{ 16,16,"5200","One chip 16 KB 5200 cartridge" },
{ 17,128,"800/XL/XE","Atrax 128 KB cartridge" },
{ 18,40,"800/XL/XE","Bounty Bob Strikes Back 40 KB cartridge" },
{ 19,8,"5200","Standard 8 KB 5200 cartridge" },
{ 20,4,"5200","Standard 4 KB 5200 cartridge" },
{ 21,8,"800","Right slot 8 KB cartridge" },
{ 22,32,"800/XL/XE","32 KB Williams cartridge" },
{ 23,256,"800/XL/XE","XEGS 256 KB cartridge" },
{ 24,512,"800/XL/XE","XEGS 512 KB cartridge" },
{ 25,1024,"800/XL/XE","XEGS 1 MB cartridge" },
{ 26,16,"800/XL/XE","MegaCart 16 KB cartridge" },
{ 27,32,"800/XL/XE","MegaCart 32 KB cartridge" },
{ 28,64,"800/XL/XE","MegaCart 64 KB cartridge" },
{ 29,128,"800/XL/XE","MegaCart 128 KB cartridge" },
{ 30,256,"800/XL/XE","MegaCart 256 KB cartridge" },
{ 31,512,"800/XL/XE","MegaCart 512 KB cartridge" },
{ 32,1024,"800/XL/XE","MegaCart 1 MB cartridge" },
{ 33,32,"800/XL/XE","Switchable XEGS 32 KB cartridge" },
{ 34,64,"800/XL/XE","Switchable XEGS 64 KB cartridge" },
{ 35,128,"800/XL/XE","Switchable XEGS 128 KB cartridge" },
{ 36,256,"800/XL/XE","Switchable XEGS 256 KB cartridge" },
{ 37,512,"800/XL/XE","Switchable XEGS 512 KB cartridge" },
{ 38,1024,"800/XL/XE","Switchable XEGS 1 MB cartridge" },
{ 39,8,"800/XL/XE","Phoenix 8 KB cartridge" },
{ 40,16,"800/XL/XE","Blizzard 16 KB cartridge" },
{ 41,128,"800/XL/XE","Atarimax 128 KB Flash cartridge" },
{ 42,1024,"800/XL/XE","Atarimax 1 MB Flash cartridge" },
{ 43,128,"800/XL/XE","SpartaDOS X 128 KB cartridge" },
{ 44,8,"800/XL/XE","OSS 8 KB cartridge" },
{ 45,16,"800/XL/XE","OSS two chip 16 KB cartridge (043M)" },
{ 46,4,"800/XL/XE","Blizzard 4 KB cartridge" },
{ 47,32,"800/XL/XE","AST 32 KB cartridge" },
{ 48,64,"800/XL/XE","Atrax SDX 64 KB cartridge" },
{ 49,128,"800/XL/XE","Atrax SDX 128 KB cartridge" },
{ 50,64,"800/XL/XE","Turbosoft 64 KB cartridge" },
{ 51,128,"800/XL/XE","Turbosoft 128 KB cartridge" },
{ 52,32,"800/XL/XE","Ultracart 32 KB cartridge" },
{ 53,8,"800/XL/XE","Low bank 8 KB cartridge" },
{ 54,128,"800/XL/XE","SIC! 128 KB cartridge" },
{ 55,256,"800/XL/XE","SIC! 256 KB cartridge" },
{ 56,512,"800/XL/XE","SIC! 512 KB cartridge" },
{ 57,2,"800/XL/XE","Standard 2 KB cartridge" },
{ 58,4,"800/XL/XE","Standard 4 KB cartridge" },
{ 59,4,"800","Right slot 4 KB cartridge" },
{ 60,32,"800/XL/XE","Blizzard 32 KB cartridge" },
};
//uint32_t _atari_pal[256];
const uint32_t atari_palette_rgb[256] = {
0x00000000,0x000F0F0F,0x001B1B1B,0x00272727,0x00333333,0x00414141,0x004F4F4F,0x005E5E5E,
0x00686868,0x00787878,0x00898989,0x009A9A9A,0x00ABABAB,0x00BFBFBF,0x00D3D3D3,0x00EAEAEA,
0x00001600,0x000F2100,0x001A2D00,0x00273900,0x00334500,0x00405300,0x004F6100,0x005D7000,
0x00687A00,0x00778A17,0x00899B29,0x009AAC3B,0x00ABBD4C,0x00BED160,0x00D2E574,0x00E9FC8B,
0x001C0000,0x00271300,0x00331F00,0x003F2B00,0x004B3700,0x00594500,0x00675300,0x00756100,
0x00806C12,0x008F7C22,0x00A18D34,0x00B29E45,0x00C3AF56,0x00D6C36A,0x00EAD77E,0x00FFEE96,
0x002F0000,0x003A0000,0x00460F00,0x00521C00,0x005E2800,0x006C3600,0x007A4416,0x00885224,
0x00925D2F,0x00A26D3F,0x00B37E50,0x00C48F62,0x00D6A073,0x00E9B487,0x00FDC89B,0x00FFDFB2,
0x00390000,0x00440000,0x0050000A,0x005C0F17,0x00681B23,0x00752931,0x0084373F,0x0092464E,
0x009C5058,0x00AC6068,0x00BD7179,0x00CE838A,0x00DF949C,0x00F2A7AF,0x00FFBBC3,0x00FFD2DA,
0x00370020,0x0043002C,0x004E0037,0x005A0044,0x00661350,0x0074215D,0x0082306C,0x00903E7A,
0x009B4984,0x00AA5994,0x00BC6AA5,0x00CD7BB6,0x00DE8CC7,0x00F1A0DB,0x00FFB4EF,0x00FFCBFF,
0x002B0047,0x00360052,0x0042005E,0x004E006A,0x005A1276,0x00672083,0x00762F92,0x00843DA0,
0x008E48AA,0x009E58BA,0x00AF69CB,0x00C07ADC,0x00D18CED,0x00E59FFF,0x00F9B3FF,0x00FFCAFF,
0x0016005F,0x0021006A,0x002D0076,0x00390C82,0x0045198D,0x0053279B,0x006135A9,0x006F44B7,
0x007A4EC2,0x008A5ED1,0x009B6FE2,0x00AC81F3,0x00BD92FF,0x00D0A5FF,0x00E4B9FF,0x00FBD0FF,
0x00000063,0x0000006F,0x00140C7A,0x00201886,0x002C2592,0x003A329F,0x004841AE,0x00574FBC,
0x00615AC6,0x00716AD6,0x00827BE7,0x00948CF8,0x00A59DFF,0x00B8B1FF,0x00CCC5FF,0x00E3DCFF,
0x00000054,0x00000F5F,0x00001B6A,0x00002776,0x00153382,0x00234190,0x0031509E,0x00405EAC,
0x004A68B6,0x005A78C6,0x006B89D7,0x007D9BE8,0x008EACF9,0x00A1BFFF,0x00B5D3FF,0x00CCEAFF,
0x00001332,0x00001E3E,0x00002A49,0x00003655,0x00004261,0x0012506F,0x00205E7D,0x002F6D8B,
0x00397796,0x004987A6,0x005B98B7,0x006CA9C8,0x007DBAD9,0x0091CEEC,0x00A5E2FF,0x00BCF9FF,
0x00001F00,0x00002A12,0x0000351E,0x0000422A,0x00004E36,0x000B5B44,0x00196A53,0x00287861,
0x0033826B,0x0043927B,0x0054A38C,0x0065B49E,0x0077C6AF,0x008AD9C2,0x009EEDD6,0x00B5FFED,
0x00002400,0x00003000,0x00003B00,0x00004700,0x0000530A,0x00106118,0x001E6F27,0x002D7E35,
0x00378840,0x00479850,0x0059A961,0x006ABA72,0x007BCB84,0x008FDE97,0x00A3F2AB,0x00BAFFC2,
0x00002300,0x00002F00,0x00003A00,0x00004600,0x00115200,0x001F6000,0x002E6E00,0x003C7C12,
0x0047871C,0x0057972D,0x0068A83E,0x0079B94F,0x008ACA61,0x009EDD74,0x00B2F189,0x00C9FFA0,
0x00001B00,0x00002700,0x000F3200,0x001C3E00,0x00284A00,0x00365800,0x00446600,0x00527500,
0x005D7F00,0x006D8F19,0x007EA02B,0x008FB13D,0x00A0C24E,0x00B4D662,0x00C8EA76,0x00DFFF8D,
0x00110E00,0x001D1A00,0x00292500,0x00353100,0x00413D00,0x004F4B00,0x005D5A00,0x006B6800,
0x0076720B,0x0085821B,0x0097932D,0x00A8A43E,0x00B9B650,0x00CCC963,0x00E0DD77,0x00F7F48F,
};
// swizzed ntsc palette in RAM
const uint32_t atari_4_phase_ntsc[256] = {
0x18181818,0x1A1A1A1A,0x1C1C1C1C,0x1F1F1F1F,0x21212121,0x24242424,0x27272727,0x2A2A2A2A,
0x2D2D2D2D,0x30303030,0x34343434,0x38383838,0x3B3B3B3B,0x40404040,0x44444444,0x49494949,
0x1A15210E,0x1C182410,0x1E1A2612,0x211D2915,0x231F2B18,0x26222E1A,0x2925311D,0x2C283420,
0x2F2B3723,0x322E3A27,0x36323E2A,0x3A36412E,0x3D394532,0x423D4936,0x46424E3A,0x4B46523F,
0x151A210E,0x171D2310,0x191F2613,0x1C222815,0x1E242B18,0x21272E1B,0x242A311D,0x272D3420,
0x2A303724,0x2E333A27,0x31373D2A,0x353A412E,0x393E4532,0x3D424936,0x41474D3A,0x464B523F,
0x101F1F10,0x13212113,0x15232315,0x18262618,0x1A28281A,0x1D2B2B1D,0x202E2E20,0x23313123,
0x26343426,0x29383729,0x2D3B3B2D,0x303F3F31,0x34434234,0x38474738,0x3D4B4B3D,0x41505041,
0x0E211A15,0x10231D17,0x13261F19,0x1528221C,0x182B241F,0x1B2E2721,0x1D312A24,0x20342D27,
0x2337302A,0x273A332E,0x2A3E3731,0x2E413A35,0x32453E39,0x3649423D,0x3A4D4741,0x3F524B46,
0x0E21151A,0x1024181C,0x12261A1E,0x15291D21,0x182B1F24,0x1A2E2226,0x1D312529,0x2034282C,
0x23372B2F,0x273A2E33,0x2A3E3236,0x2E41353A,0x3245393E,0x36493D42,0x3A4E4246,0x3F52464B,
0x101F111E,0x12211320,0x15241623,0x17261825,0x1A291B28,0x1D2C1E2B,0x202F202E,0x23322331,
0x26352634,0x29382A37,0x2C3B2D3B,0x303F313E,0x34433542,0x38473946,0x3C4B3D4A,0x4150424F,
0x141B0E21,0x161D1023,0x19201326,0x1B221528,0x1E25182B,0x21281B2E,0x242A1E30,0x272E2133,
0x2A312436,0x2D34273A,0x30372B3D,0x343B2E41,0x383F3245,0x3C433649,0x40473A4D,0x454C3F52,
0x19160E21,0x1B181024,0x1E1B1226,0x201D1529,0x2320172B,0x26231A2E,0x29261D31,0x2C292034,
0x2F2C2337,0x322F273A,0x35322A3E,0x39362E41,0x3D3A3245,0x413E3649,0x45423A4E,0x4A473F52,
0x1E11101F,0x20141222,0x22161424,0x25191727,0x271B1929,0x2A1E1C2C,0x2D211F2F,0x30242232,
0x33272535,0x362A2838,0x3A2E2C3C,0x3E323040,0x41353343,0x46393847,0x4A3E3C4C,0x4F424150,
0x210E131C,0x2311161E,0x25131820,0x28161B23,0x2A181D26,0x2D1B2028,0x301E232B,0x3321262E,
0x36242931,0x3A272C35,0x3D2B3038,0x412E333C,0x45323740,0x49363B44,0x4D3B4048,0x523F444D,
0x210E1817,0x24101B19,0x26121D1B,0x29151F1E,0x2B172221,0x2E1A2523,0x311D2826,0x34202B29,
0x37232E2C,0x3A263130,0x3E2A3533,0x422E3837,0x45313C3B,0x4936403F,0x4E3A4543,0x523F4948,
0x200F1D12,0x22111F14,0x25142217,0x27162419,0x2A19271C,0x2D1C2A1F,0x2F1F2C22,0x32222F25,
0x35253328,0x3928362B,0x3C2C392F,0x402F3D32,0x44334136,0x4837453A,0x4C3B493E,0x51404E43,
0x1C13200F,0x1F152311,0x21172513,0x241A2816,0x261D2A19,0x291F2D1B,0x2C22301E,0x2F253321,
0x32283624,0x352C3928,0x392F3D2B,0x3C33402F,0x40374433,0x443B4837,0x493F4D3B,0x4D445140,
0x1818220E,0x1A1A2410,0x1C1C2612,0x1F1F2915,0x21212B17,0x24242E1A,0x2727311D,0x2A2A3420,
0x2D2D3723,0x30303A26,0x34343E2A,0x3838422E,0x3B3B4531,0x40404A36,0x44444E3A,0x4949533F,
0x131C200F,0x151F2311,0x17212513,0x1A242816,0x1D262A19,0x1F292D1B,0x222C301E,0x252F3321,
0x28323624,0x2C353928,0x2F393D2B,0x333C402F,0x37404433,0x3B444837,0x3F494D3B,0x444D5140,
};
uint32_t *atari_4_phase_ntsc_ram = 0;
const uint32_t atari_4_phase_pal[] = {
0x18181818,0x1B1B1B1B,0x1E1E1E1E,0x21212121,0x25252525,0x28282828,0x2B2B2B2B,0x2E2E2E2E,
0x32323232,0x35353535,0x38383838,0x3B3B3B3B,0x3F3F3F3F,0x42424242,0x45454545,0x49494949,
0x16271A09,0x192A1D0C,0x1C2D200F,0x1F302312,0x23342716,0x26372A19,0x293A2D1C,0x2C3D301F,
0x30413423,0x33443726,0x36473A29,0x394A3D2C,0x3D4E4130,0x40514433,0x43544736,0x47584B3A,
0x0F24210C,0x1227240F,0x152A2712,0x182D2A15,0x1C312E19,0x1F34311C,0x2237341F,0x253A3722,
0x293E3B26,0x2C413E29,0x2F44412C,0x3247442F,0x364B4833,0x394E4B36,0x3C514E39,0x4055523D,
0x0B1F2511,0x0E222814,0x11252B17,0x14282E1A,0x182C321E,0x1B2F3521,0x1E323824,0x21353B27,
0x25393F2B,0x283C422E,0x2B3F4531,0x2E424834,0x32464C38,0x35494F3B,0x384C523E,0x3C505642,
0x09182718,0x0C1B2A1B,0x0F1E2D1E,0x12213021,0x16253425,0x19283728,0x1C2B3A2B,0x1F2E3D2E,
0x23324132,0x26354435,0x29384738,0x2C3B4A3B,0x303F4E3F,0x33425142,0x36455445,0x3A495849,
0x0B11251F,0x0E142822,0x11172B25,0x141A2E28,0x181E322C,0x1B21352F,0x1E243832,0x21273B35,
0x252B3F39,0x282E423C,0x2B31453F,0x2E344842,0x32384C46,0x353B4F49,0x383E524C,0x3C425650,
0x0F0C2124,0x120F2427,0x1512272A,0x18152A2D,0x1C192E31,0x1F1C3134,0x221F3437,0x2522373A,
0x29263B3E,0x2C293E41,0x2F2C4144,0x322F4447,0x3633484B,0x39364B4E,0x3C394E51,0x403D5255,
0x15091B27,0x180C1E2A,0x1B0F212D,0x1E122430,0x22162834,0x25192B37,0x281C2E3A,0x2B1F313D,
0x2F233541,0x32263844,0x35293B47,0x382C3E4A,0x3C30424E,0x3F334551,0x42364854,0x463A4C58,
0x1C0A1426,0x1F0D1729,0x22101A2C,0x25131D2F,0x29172133,0x2C1A2436,0x2F1D2739,0x32202A3C,
0x36242E40,0x39273143,0x3C2A3446,0x3F2D3749,0x43313B4D,0x46343E50,0x49374153,0x4D3B4557,
0x220D0E23,0x25101126,0x28131429,0x2B16172C,0x2F1A1B30,0x321D1E33,0x35202136,0x38232439,
0x3C27283D,0x3F2A2B40,0x422D2E43,0x45303146,0x4934354A,0x4C37384D,0x4F3A3B50,0x533E3F54,
0x26130A1D,0x29160D20,0x2C191023,0x2F1C1326,0x3320172A,0x36231A2D,0x39261D30,0x3C292033,
0x402D2437,0x4330273A,0x46332A3D,0x49362D40,0x4D3A3144,0x503D3447,0x5340374A,0x57443B4E,
0x271A0916,0x2A1D0C19,0x2D200F1C,0x3023121F,0x34271623,0x372A1926,0x3A2D1C29,0x3D301F2C,
0x41342330,0x44372633,0x473A2936,0x4A3D2C39,0x4E41303D,0x51443340,0x54473643,0x584B3A47,
0x24200C10,0x27230F13,0x2A261216,0x2D291519,0x312D191D,0x34301C20,0x37331F23,0x3A362226,
0x3E3A262A,0x413D292D,0x44402C30,0x47432F33,0x4B473337,0x4E4A363A,0x514D393D,0x55513D41,
0x1F25110B,0x2228140E,0x252B1711,0x282E1A14,0x2C321E18,0x2F35211B,0x3238241E,0x353B2721,
0x393F2B25,0x3C422E28,0x3F45312B,0x4248342E,0x464C3832,0x494F3B35,0x4C523E38,0x5056423C,
0x19271709,0x1C2A1A0C,0x1F2D1D0F,0x22302012,0x26342416,0x29372719,0x2C3A2A1C,0x2F3D2D1F,
0x33413123,0x36443426,0x39473729,0x3C4A3A2C,0x404E3E30,0x43514133,0x46544436,0x4A58483A,
0x12261E0A,0x1529210D,0x182C2410,0x1B2F2713,0x1F332B17,0x22362E1A,0x2539311D,0x283C3420,
0x2C403824,0x2F433B27,0x32463E2A,0x3549412D,0x394D4531,0x3C504834,0x3F534B37,0x43574F3B,
//odd
0x18181818,0x1B1B1B1B,0x1E1E1E1E,0x21212121,0x25252525,0x28282828,0x2B2B2B2B,0x2E2E2E2E,
0x32323232,0x35353535,0x38383838,0x3B3B3B3B,0x3F3F3F3F,0x42424242,0x45454545,0x49494949,
0x1A271609,0x1D2A190C,0x202D1C0F,0x23301F12,0x27342316,0x2A372619,0x2D3A291C,0x303D2C1F,
0x34413023,0x37443326,0x3A473629,0x3D4A392C,0x414E3D30,0x44514033,0x47544336,0x4B58473A,
0x21240F0C,0x2427120F,0x272A1512,0x2A2D1815,0x2E311C19,0x31341F1C,0x3437221F,0x373A2522,
0x3B3E2926,0x3E412C29,0x41442F2C,0x4447322F,0x484B3633,0x4B4E3936,0x4E513C39,0x5255403D,
0x251F0B11,0x28220E14,0x2B251117,0x2E28141A,0x322C181E,0x352F1B21,0x38321E24,0x3B352127,
0x3F39252B,0x423C282E,0x453F2B31,0x48422E34,0x4C463238,0x4F49353B,0x524C383E,0x56503C42,
0x27180918,0x2A1B0C1B,0x2D1E0F1E,0x30211221,0x34251625,0x37281928,0x3A2B1C2B,0x3D2E1F2E,
0x41322332,0x44352635,0x47382938,0x4A3B2C3B,0x4E3F303F,0x51423342,0x54453645,0x58493A49,
0x25110B1F,0x28140E22,0x2B171125,0x2E1A1428,0x321E182C,0x35211B2F,0x38241E32,0x3B272135,
0x3F2B2539,0x422E283C,0x45312B3F,0x48342E42,0x4C383246,0x4F3B3549,0x523E384C,0x56423C50,
0x210C0F24,0x240F1227,0x2712152A,0x2A15182D,0x2E191C31,0x311C1F34,0x341F2237,0x3722253A,
0x3B26293E,0x3E292C41,0x412C2F44,0x442F3247,0x4833364B,0x4B36394E,0x4E393C51,0x523D4055,
0x1B091527,0x1E0C182A,0x210F1B2D,0x24121E30,0x28162234,0x2B192537,0x2E1C283A,0x311F2B3D,
0x35232F41,0x38263244,0x3B293547,0x3E2C384A,0x42303C4E,0x45333F51,0x48364254,0x4C3A4658,
0x140A1C26,0x170D1F29,0x1A10222C,0x1D13252F,0x21172933,0x241A2C36,0x271D2F39,0x2A20323C,
0x2E243640,0x31273943,0x342A3C46,0x372D3F49,0x3B31434D,0x3E344650,0x41374953,0x453B4D57,
0x0E0D2223,0x11102526,0x14132829,0x17162B2C,0x1B1A2F30,0x1E1D3233,0x21203536,0x24233839,
0x28273C3D,0x2B2A3F40,0x2E2D4243,0x31304546,0x3534494A,0x38374C4D,0x3B3A4F50,0x3F3E5354,
0x0A13261D,0x0D162920,0x10192C23,0x131C2F26,0x1720332A,0x1A23362D,0x1D263930,0x20293C33,
0x242D4037,0x2730433A,0x2A33463D,0x2D364940,0x313A4D44,0x343D5047,0x3740534A,0x3B44574E,
0x091A2716,0x0C1D2A19,0x0F202D1C,0x1223301F,0x16273423,0x192A3726,0x1C2D3A29,0x1F303D2C,
0x23344130,0x26374433,0x293A4736,0x2C3D4A39,0x30414E3D,0x33445140,0x36475443,0x3A4B5847,
0x0C202410,0x0F232713,0x12262A16,0x15292D19,0x192D311D,0x1C303420,0x1F333723,0x22363A26,
0x263A3E2A,0x293D412D,0x2C404430,0x2F434733,0x33474B37,0x364A4E3A,0x394D513D,0x3D515541,
0x11251F0B,0x1428220E,0x172B2511,0x1A2E2814,0x1E322C18,0x21352F1B,0x2438321E,0x273B3521,
0x2B3F3925,0x2E423C28,0x31453F2B,0x3448422E,0x384C4632,0x3B4F4935,0x3E524C38,0x4256503C,
0x17271909,0x1A2A1C0C,0x1D2D1F0F,0x20302212,0x24342616,0x27372919,0x2A3A2C1C,0x2D3D2F1F,
0x31413323,0x34443626,0x37473929,0x3A4A3C2C,0x3E4E4030,0x41514333,0x44544636,0x48584A3A,
0x1E26120A,0x2129150D,0x242C1810,0x272F1B13,0x2B331F17,0x2E36221A,0x3139251D,0x343C2820,
0x38402C24,0x3B432F27,0x3E46322A,0x4149352D,0x454D3931,0x48503C34,0x4B533F37,0x4F57433B,
};
uint32_t *atari_4_phase_pal_ram = 0;
/*
extern "C"
void Sound_Callback(UBYTE *buffer, unsigned int size);
*/
//input_template_t *LIBATARI800_Input_array;
//input_template_t _atari_input = {0};
#define POKEY_DIV_64 28 /* divisor for 1.79MHz clock to 64 kHz */
#define POKEY_DIV_15 114 /* divisor for 1.79MHz clock to 15 kHz */
#define POKEYSND_FREQ_17_EXACT 1789790 /* exact 1.79 MHz clock freq */
#define POKEYSND_FREQ_17_APPROX 1787520 /* approximate 1.79 MHz clock freq */
/*
F1 Built in user interface -2
F2 Option key
F3 Select key
F4 Start key
F5 Reset key ("warm reset")
Shift+F5 Reboot ("cold reset")
F6 Help key (XL/XE only)
F7 Break key / Pause during DOS file booting (**)
case SDL_SCANCODE_F1: return AKEY_UI;
case SDL_SCANCODE_F2: return AKEY_OPTION;
case SDL_SCANCODE_F3: return AKEY_SELECT;
case SDL_SCANCODE_F4: return AKEY_START;
case SDL_SCANCODE_F5: return AKEY_WARMSTART;
case SDL_SCANCODE_F6: return AKEY_HELP;
case SDL_SCANCODE_F7: return AKEY_BREAK;
*/
// hid/sdl scancode to atari scancode
const int16_t _scancode_to_atari[512] = {
-1, -1, -1, -1, 63, 21, 18, 58, 42, 56, 61, 57, 13, 1, 5, 0,
37, 35, 8, 10, 47, 40, 62, 45, 11, 16, 46, 22, 43, 23, 31, 30,
26, 24, 29, 27, 51, 53, 48, 50, 12, 28, 52, 44, 33, 14, 15,112,
114, 70, -1, 2,115, -1, 32, 34, 38, 60, -1,-12,-11,-10, -2, 17,
-5, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1,
-1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1,
-1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1,
-1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1,
// shift
-1, -1, -1, -1,127, 85, 82,122,106,120,125,121, 77, 65, 69, 64,
101, 99, 72, 74,111,104,126,109, 75, 80,110, 86,107, 87, 95,117,
90, 88, 93, 71, 91, 7,112,114, 76, 92,116,108, 97, 78, 6,112,
114, 79, -1, 66, 94, -1, 54, 55,102,124, -1, -1, -1, -1, -3, -1,
-1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1,
-1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1,
-1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1,
-1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1,
// ctrl
-1, -1, -1, -1,191,149,146,186,170,184,189,185,141,129,133,128,
165,163,136,138,175,168,190,173,139,144,174,150,171,151,159,158,
154,152,157,155,179,181,176,178,140,156,180,172,161,142,143, -1,
-1, -1, -1,130, -1, -1,160,162,166, -1, -1, -1, -1, -1, -1, -1,
-1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1,135,
134,143,142, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1,
-1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1,
-1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1,
// shift ctrl
-1, -1, -1, -1,255,213,210,250,234,248,253,249,205,193,197,192,
229,227,200,202,239,232,254,237,203,208,238,214,235,215,223,222,
218,216,221,219,243,245,240,242,204,220,244,236,225,206,207, -1,
-1, -1, -1,194, -1, -1,224,226,230, -1, -1, -1, -1, -1, -1, -1,
-1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1,
-1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1,
-1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1,
-1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1,
};
#define INPUT_STICK_BACK 0x02
#define INPUT_STICK_LEFT 0x04
#define INPUT_STICK_RIGHT 0x08
#define INPUT_STICK_FORWARD 0x01
#define INPUT_TRIGGER 0x10
#define CONSOLE_START 0x01
#define CONSOLE_SELECT 0x02
#define CONSOLE_OPTION 0x04
extern int INPUT_key_code;
extern int INPUT_key_consol;
int console_keys = 7;
int _joy[4] = {0};
int _trig[4] = {0};
extern "C" void CARTRIDGE_Remove();
extern "C" void CASSETTE_Remove();
extern ULONG *Screen_atari;
#define Screen_WIDTH 384
#define Screen_HEIGHT 240
const char* _atari_help[] = {
"1 or 2 inserts .atr into drive #",
"0 removes .atr from drive",
"Shift + Enter enables Basic",
"",
"Keyboard Mappings:",
" Arrow Keys - Joystick",
" Left Shift - Fire",
" F2 - Option",
" F3 - Select",
" F4 - Start",
" F5 - Warm Reset",
" Shift+F5 - Cold Reset",
" F6 - Help (XL/XE)",
" F7 - Break",
"",
"Wiimote (held sideways):",
" D Pad - Joystick",
" + - Start",
" - - Select",
" + & - - Warm Reset",
" A,B,1,2 - Trigger",
"",
"5200 Keyboard Mappings:",
" S key - Start",
" P key - Pause",
" R key - Reset",
"",
0
};
// does not support atx. sorry
const char* _atari_ext[] = {
"atr",
"rom",
"cas",
"bin",
"xex",
"com",
"bas",
"car",
0
};
//========================================================================================
//========================================================================================
class File {
public:
FILE *_fd;
size_t _len;
static int le16(const void* d)
{
const uint8_t* b = (const uint8_t*)d;
return b[0] | (b[1] << 8);
}
static int le32(const void* d)
{
const uint8_t* b = (const uint8_t*)d;
return b[0] | (b[1] << 8) | (b[2] << 8) | (b[3] << 8);
}
File(const string& name) : _len(0) {
_fd = fopen(name.c_str(),"rb");
if (_fd) {
fseek(_fd,0,SEEK_END);
_len = ftell(_fd);
}
}
virtual ~File()
{
if (_fd)
fclose(_fd);
}
int read(void* dst, int offset, int len)
{
if (!_fd)
return -1;
fseek(_fd,offset,SEEK_SET);
return (int)fread(dst,1,len,_fd);
}
};
class AtariDisk : public File {
public:
int _type;
int _size;
int _secsize;
AtariDisk(const string& name) : File(name),_type(-1)
{
uint8_t hdr[48];
read(hdr,0,sizeof(hdr));
if (hdr[0] == 'A' && hdr[1] == 'T' && hdr[2] == '8' && hdr[3] == 'X') {
if (vapi(le32(hdr + 28)) == 0)
_type = 1;
} else if (le16(hdr) == 0x296) {
_type = 0;
_size = le16(hdr + 2);
_secsize = le16(hdr + 4);
_size += hdr[6] << 16; // high part of size
_size <<= 4; //
}
}
class Track {
public:
int offset;
int size;
int type;
int tracknum;
int sectorcount;
int headersize;
int sectorlistsize;
int16_t toff[18];
};
vector<Track> _tracks;
// http://whizzosoftware.com/sio2arduino/vapi.html
int vapi(int trackoffset)
{
_type = 1;
_secsize = 128;
while (trackoffset > 0 && trackoffset < _len) {
uint8_t t[32+8];
if (read(t,trackoffset,sizeof(t)) != sizeof(t))
return -1;
Track track;
track.offset = trackoffset;
track.size = le32(t);
track.type = le16(t+4);
track.tracknum = t[8];
track.sectorcount = le16(t+10);
track.headersize = le32(t+20);
track.sectorlistsize = le32(t+32) - 8;
for (int i = 0; i < 16; i++)
track.toff[i] = 0;
uint8_t sl[256];
read(sl,trackoffset+32+8,track.sectorlistsize);
for (int i = 0; i < track.sectorlistsize; i += 8) {
/*
int num = sl[i+0];
int stat = sl[i+1];
int pos = le16(sl+i+2);
int data = le32(sl+i+4);
printf("%d:%d %02X %d %d\n",track.tracknum,num,stat,pos,data);
*/
int dat = le32(sl+i+4);
if (dat && sl[i])
track.toff[sl[i]-1] = dat;
}
_tracks.push_back(track);
trackoffset += track.size;
}
_size = 720*_secsize;
return 0;
}
int sectoroffset(int n)
{
if (n <= 3)
return 16 + n*0x80;
return 16 + 3*0x80 + (n-3)*_secsize;
}
int readsector(int n, uint8_t* dst)
{
if (_type == 0)
return read(dst,sectoroffset(n),_secsize);
if (_type == 1) {
int track = n/18;
for (int i = 0; i < _tracks.size(); i++) {
if (_tracks[i].tracknum == track) {
auto& t = _tracks[i];
int dat = t.toff[n % 18];
if (!dat) {
memset(dst,0,_secsize);
return _secsize;
}
return read(dst,t.offset + dat,_secsize);
}
}
return -1;
}
return -1;
}
// http://atari.kensclassics.org/dos.htm
// note: indexes are 1 based in the docs
void dir(vector<string>& s)
{
s.push_back("");
uint8_t a[256];
if (readsector(359,a) != _secsize)
return;
int free = le16(a+3);
//if (free < 0 || free > 707)
// return;
for (int n = 360; n < 368; n++) {
if (readsector(n,a) != _secsize)
return;
for (int i = 0; i < _secsize; i += 16)
{
int flags = a[i];
int total = le16(a+i+1);
if (!total || !(flags & 0x40)) // not an ordinary file?
break;
//int start = le16(a+i+3)-1;
string name = string((char*)a+i+5,8+3);
if (flags & 0x80)
; // deleted
else {
string t = ::to_string(total);
while (t.length() < 3)
t = "0" + t;
s.push_back((flags & 0x20 ? "* " :" ") + name + " " + t);
}
}
};
s.push_back(::to_string(free) + " free sectors");
}
};
//========================================================================================
//========================================================================================
static
int get_info(const string& file, vector<string>& strs)
{
string ext = get_ext(file);
uint8_t hdr[48];
int len = Emu::head(file,hdr,sizeof(hdr));
string name = file.substr(file.find_last_of("/") + 1);
strs.push_back(name);
strs.push_back("");
// carts
if (ext == "car" || ext == "bin" || ext == "rom") {
if (hdr[0] == 'C' && hdr[1] == 'A' && hdr[2] == 'R' && hdr[3] == 'T' && hdr[7] <= 60)
{
strs.push_back(_cart_info[hdr[7]].name);
strs.push_back(_cart_info[hdr[7]].machine);
} else {
strs.push_back(::to_string(len/1024) + "k Cartridge");
}
return 0;
}
if (ext == "xex") {
strs.push_back(::to_string((len + 0x3FF)/1024) + "k Executable");
int offset = 0;
File f(file);
while (offset < len) {
uint16_t start = 0xFFFF;
uint16_t end = 0xFFFF;
uint16_t addr = 0xFFFF;
while (start == 0xFFFF) {
if (f.read(&start,offset,2) != 2)
break;
offset += 2;
}
if (f.read(&end,offset,2) != 2)
break;
char buf[64];
if (start == 0x2E0 || start == 0x2E2) {
f.read(&addr,offset+2,2);
sprintf(buf,"%04X at %04X:%04X %s:%04X",end+1-start,start,end,start == 0x2E0 ? "run":"ini",addr);
} else {
sprintf(buf,"%04X at %04X:%04X",end+1-start,start,end);
}
strs.push_back(buf);
offset += 2 + end+1 - start;
}
return 0;
}
if (ext == "atr" || ext == "atx") {
strs.push_back(::to_string((len + 0x3FF)/1024) + "k Disk Image");
AtariDisk disk(file);
disk.dir(strs);
return 0;
}
strs.push_back(::to_string(len) + " bytes");
return 0;
}
//========================================================================================
//========================================================================================
extern uint8_t* under_atarixl_os; // allocate in 32 bit mem
extern uint8_t* under_cart809F;
extern uint8_t* under_cartA0BF;
Sound_setup_t Sound_desired = {
15720,
1, // 8 bit
1, // 1 channel
0,
0
};
class EmuAtari800 : public Emu {
uint8_t** _lines;
public:
EmuAtari800(int ntsc) : Emu("atari800",384,240,ntsc,(16 | (1 << 8)),4,EMU_ATARI)
{
_lines = 0;
_ext = _atari_ext;
_help = _atari_help;
Sound_desired.freq = audio_frequency;
}
virtual void gen_palettes()
{
make_atari_rgb_palette();
atari_palette();
}
virtual int info(const string& file, vector<string>& strs)
{
get_info(file,strs);
uint8_t* data;
int len;
if (load(file+".cfg",&data,&len) == 0) {
strs.push_back("");
strs.push_back(".cfg file:");
string s = string((const char*)data,len);
s.erase(s.find_last_not_of(" \n\r\t")+1);
strs.push_back(s);
delete [] data;
}
return 0;
}
void trig(int i, int pressed)
{
_trig[i] = pressed ? 1 : 0;
}
void joy(int i, int pressed, int mask)
{
_joy[i] = pressed ? (_joy[i] | mask) : (_joy[i] & ~mask);
}
void console(int pressed, int mask)
{
console_keys = pressed ? (console_keys & ~mask) : (console_keys | mask);
}
// wiimote is rotated 90%
const uint32_t _common_atari[16] = {
0, // msb
0,
0,
CONSOLE_START<<8, // PLUS
INPUT_STICK_LEFT, // UP
INPUT_STICK_RIGHT, // DOWN
INPUT_STICK_FORWARD, // RIGHT
INPUT_STICK_BACK, // LEFT