Eugene Sandulenko
parent
e6aba1f7aa
commit
edfae828f6
42 changed files with 4091 additions and 1005 deletions
183
backends/gp32/gp32_main.cpp
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183
backends/gp32/gp32_main.cpp
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/* ScummVM - Scumm Interpreter
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* Copyright (C) 2001-2005 The ScummVM project
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* Copyright (C) 2005 Won Star - GP32 Backend
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*
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* This program is free software; you can redistribute it and/or
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* modify it under the terms of the GNU General Public License
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* as published by the Free Software Foundation; either version 2
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* of the License, or (at your option) any later version.
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* This program is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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* GNU General Public License for more details.
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* You should have received a copy of the GNU General Public License
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* along with this program; if not, write to the Free Software
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* Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA.
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*
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* $Header$
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*
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*/
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#include "stdafx.h"
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#include "common/scummsys.h"
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#include "common/scaler.h"
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#include "common/system.h"
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#include "backends/intern.h"
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#include "base/engine.h"
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#include "backends/gp32/gp32std.h"
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#include "backends/gp32/gp32std_grap.h"
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#include "backends/gp32/gp32_launcher.h"
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#include "backends/gp32/gp32_osys.h"
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extern "C" int scummvm_main(int argc, char *argv[]);
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extern void gp_delay(uint32 msecs);
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extern "C" void cpu_speed(int MCLK, int CLKDIV, int CLKMODE); // CPU Speed control (3 int's, clock, bus, dividor)
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// Where's better position?
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static int CLKDIV = 0x48013;
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static int MCLK = 40000000;
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static int CLKMODE = 0;
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static int HCLK = 40000000;
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static int PCLK = 40000000;
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/*
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int gp_getPCLK() {
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return PCLK;
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}
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int gp_getHCLK() {
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return HCLK;
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}
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*/
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void gp_clockSpeedChange(int freq, int magic, int div) {
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#define rTCFG0 (*(volatile unsigned *)0x15100000)
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#define rTCFG1 (*(volatile unsigned *)0x15100004)
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#define rTCNTB4 (*(volatile unsigned *)0x1510003c)
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unsigned int pclk;
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unsigned int prescaler0;
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/* Change CPU Speed */
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GpClockSpeedChange(freq, magic, div);
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pclk = GpPClkGet();
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/* Repair SDK timer - it forgets to set prescaler */
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prescaler0 = (pclk / (8000 * 40)) - 1;
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rTCFG0 = (rTCFG0 & 0xFFFFFF00) | prescaler0;
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rTCFG1 = 0x30033;
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/* Repair GpTickCountGet */
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rTCNTB4 = pclk / 1600;
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}
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void gp_setCpuSpeed(int freq) {
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switch (freq) {
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// overclocked
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case 168: { CLKDIV = 0x14000; MCLK = 168000000; CLKMODE = 3; break; }
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case 172: { CLKDIV = 0x23010; MCLK = 172000000; CLKMODE = 3; break; }
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case 176: { CLKDIV = 0x24010; MCLK = 176000000; CLKMODE = 3; break; }
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case 180: { CLKDIV = 0x16000; MCLK = 180000000; CLKMODE = 3; break; }
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case 184: { CLKDIV = 0x26010; MCLK = 184000000; CLKMODE = 3; break; }
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case 188: { CLKDIV = 0x27010; MCLK = 188000000; CLKMODE = 3; break; }
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case 192: { CLKDIV = 0x18000; MCLK = 192000000; CLKMODE = 3; break; }
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case 196: { CLKDIV = 0x29010; MCLK = 196000000; CLKMODE = 3; break; }
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case 200: { CLKDIV = 0x2A010; MCLK = 200000000; CLKMODE = 3; break; }
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case 204: { CLKDIV = 0x2b010; MCLK = 204000000; CLKMODE = 3; break; }
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case 208: { CLKDIV = 0x2c010; MCLK = 208000000; CLKMODE = 3; break; }
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case 212: { CLKDIV = 0x2d010; MCLK = 212000000; CLKMODE = 3; break; }
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case 216: { CLKDIV = 0x2e010; MCLK = 216000000; CLKMODE = 3; break; }
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case 220: { CLKDIV = 0x2f010; MCLK = 220000000; CLKMODE = 3; break; }
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case 224: { CLKDIV = 0x30010; MCLK = 224000000; CLKMODE = 3; break; }
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case 228: { CLKDIV = 0x1e000; MCLK = 228000000; CLKMODE = 3; break; }
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case 232: { CLKDIV = 0x32010; MCLK = 232000000; CLKMODE = 3; break; }
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case 236: { CLKDIV = 0x33010; MCLK = 236000000; CLKMODE = 3; break; }
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case 240: { CLKDIV = 0x20000; MCLK = 240000000; CLKMODE = 3; break; }
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case 244: { CLKDIV = 0x35010; MCLK = 244000000; CLKMODE = 3; break; }
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case 248: { CLKDIV = 0x36010; MCLK = 248000000; CLKMODE = 3; break; }
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case 252: { CLKDIV = 0x22000; MCLK = 252000000; CLKMODE = 3; break; }
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case 256: { CLKDIV = 0x38010; MCLK = 256000000; CLKMODE = 3; break; }
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// normal
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// case 166: { CLKDIV = 0x4B011; MCLK = 166000000; CLKMODE = 3; break; }
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case 166: { CLKDIV = 0x2f001; MCLK = 165000000; CLKMODE = 3; break; }
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case 164: { CLKDIV = 0x4a011; MCLK = 164000000; CLKMODE = 3; break; }
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case 160: { CLKDIV = 0x48011; MCLK = 160000000; CLKMODE = 3; break; }
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// case 156: { CLKDIV = 0x2c001; MCLK = 156000000; CLKMODE = 3; break; }
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case 156: { CLKDIV = 0x2c001; MCLK = 156000000; CLKMODE = 3; break; }
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case 144: { CLKDIV = 0x28001; MCLK = 144000000; CLKMODE = 3; break; }
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// case 133: { CLKDIV = 0x3a011; MCLK = 132000000; CLKMODE = 3; break; }
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case 133: { CLKDIV = (81 << 12) | (2 << 4) | 1; MCLK = 133500000; CLKMODE = 2; break; }
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case 132: { CLKDIV = 0x3a011; MCLK = 132000000; CLKMODE = 3; break; }
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case 120: { CLKDIV = 0x24001; MCLK = 120000000; CLKMODE = 2; break; }
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// case 100: { CLKDIV = 0x2b011; MCLK = 102000000; CLKMODE=2; break; }
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case 100: { CLKDIV =( 43 << 12) | (1 << 4) | 1; MCLK = 102000000; CLKMODE = 2; break; }
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// case 66: { CLKDIV = 0x25002; MCLK= 67500000; CLKMODE=2; break; }
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case 66: { CLKDIV = (37 << 12) | (0 << 4) | 2; MCLK= 67500000; CLKMODE = 2; break; }
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case 50: { CLKDIV = 0x2a012; MCLK= 50000000; CLKMODE = 0; break; }
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// case 40: { CLKDIV = 0x48013; MCLK= 40000000; CLKMODE = 0; break; }
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case 40: { CLKDIV = 0x48013; MCLK= 40000000; CLKMODE = 1; break; }
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// case 33: { CLKDIV = 0x25003; MCLK= 33750000; CLKMODE = 0; break; }
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case 33: { CLKDIV = (37 << 12) | (0 << 4) | 3; MCLK = 33750000; CLKMODE = 2; break; }
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case 22: { CLKDIV = 0x33023; MCLK = 22125000; CLKMODE = 0; break; }
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}
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if (CLKMODE==0) { HCLK = MCLK; PCLK = MCLK; }
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if (CLKMODE==1) { HCLK = MCLK; PCLK = MCLK / 2; }
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if (CLKMODE==2) { HCLK = MCLK / 2; PCLK = MCLK / 2; }
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if (CLKMODE==3) { HCLK = MCLK / 2; PCLK = MCLK / 4; }
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//cpu_speed(MCLK, CLKDIV, CLKMODE);
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gp_clockSpeedChange(MCLK, CLKDIV, CLKMODE);
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}
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void gp_Reset() {
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gp_setCpuSpeed(66);
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asm volatile("swi #4\n");
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}
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void init() {
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gp_setCpuSpeed(66); // Default CPU Speed
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GpGraphicModeSet(16, NULL);
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//if (type == NLU || type == FLU || type == BLU)
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// gp_initFramebuffer(frameBuffer, 16, 85);
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//else if (type == BLUPLUS)
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// gp_initFramebufferBP(frameBuffer, 16, 85);
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// else
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// error("Invalid Console");
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gp_initFrameBuffer();
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GpFatInit();
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GpRelativePathSet("gp:\\gpmm");
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//ERR_CODE err_code;
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//err_code = GpDirCreate("temp", 0);
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// if (err_code != SM_OK) return;
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g_cpuSpeed = 120;
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}
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void GpMain(void *arg) {
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init();
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splashScreen();
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//doConfig
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gp_setCpuSpeed(g_cpuSpeed);
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GPDEBUG("Set CPU Speed: %d", g_cpuSpeed);
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// FOR DEBUG PURPOSE!
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int argc = 2;
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//char *argv[] = { "scummvm", "playfate" };
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//char *argv[] = { "scummvm", "-enull", "-pgp:\\game\\loomcd\\", "loomcd" };
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//char *argv[] = { "scummvm", "-enull", "-pgp:\\game\\dott\\", "tentacle" };
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char *argv[] = { "scummvm", "-enull", "-d3" };
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//scummvm_main(argc, argv);
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scummvm_main(1, NULL);
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}
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