/**************************************************************************** * Genesis Plus 1.2a * * Copyright (C) 1998, 1999, 2000, 2001, 2002, 2003 Charles Mac Donald * * This program is free software; you can redistribute it and/or modify * it under the terms of the GNU General Public License as published by * the Free Software Foundation; either version 2 of the License, or * (at your option) any later version. * * This program is distributed in the hope that it will be useful, * but WITHOUT ANY WARRANTY; without even the implied warranty of * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the * GNU General Public License for more details. * * You should have received a copy of the GNU General Public License * along with this program; if not, write to the Free Software * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA * * STATE MANAGER ***************************************************************************/ #include "shared.h" unsigned char state[0x23000]; unsigned int bufferptr; void load_param(void *param, unsigned int size) { memcpy(param, &state[bufferptr], size); bufferptr+= size; } void save_param(void *param, unsigned int size) { memcpy(&state[bufferptr], param, size); bufferptr+= size; } void state_load(unsigned char *buffer) { uint32 tmp32; uint16 tmp16; int i; int height, width; unsigned long inbytes, outbytes; /* get compressed state size & uncompress state file */ memcpy(&inbytes,&buffer[0],sizeof(inbytes)); #ifdef NGC outbytes = 0x23000; uncompress ((char *) &state[0], &outbytes, (char *) &buffer[sizeof(inbytes)], inbytes); #else outbytes = inbytes; memcpy(&state[0], &buffer[sizeof(inbytes)], outbytes); #endif /* load state */ system_reset(); bufferptr = 0; // gen.c stuff load_param(work_ram, sizeof(work_ram)); load_param(zram, sizeof(zram)); load_param(&zbusreq, sizeof(zbusreq)); load_param(&zreset, sizeof(zreset)); load_param(&zbusack, sizeof(zbusack)); load_param(&zirq, sizeof(zirq)); load_param(&zbank, sizeof(zbank)); load_param(&lastbusreqcnt, sizeof(lastbusreqcnt)); load_param(&lastbusack, sizeof(lastbusack)); // io.c stuff load_param(io_reg, sizeof(io_reg)); // render.c stuff load_param(&object_index_count,sizeof(object_index_count)); // vdp.c stuff load_param(sat, sizeof(sat)); load_param(vram, sizeof(vram)); load_param(cram, sizeof(cram)); load_param(vsram, sizeof(vsram)); load_param(reg, sizeof(reg)); load_param(&addr, sizeof(addr)); load_param(&addr_latch, sizeof(addr_latch)); load_param(&code, sizeof(code)); load_param(&pending, sizeof(pending)); load_param(&status, sizeof(status)); load_param(&ntab, sizeof(ntab)); load_param(&ntbb, sizeof(ntbb)); load_param(&ntwb, sizeof(ntwb)); load_param(&satb, sizeof(satb)); load_param(&hscb, sizeof(hscb)); load_param(&sat_base_mask, sizeof(sat_base_mask)); load_param(&sat_addr_mask, sizeof(sat_addr_mask)); load_param(&border, sizeof(border)); load_param(&playfield_shift, sizeof(playfield_shift)); load_param(&playfield_col_mask, sizeof(playfield_col_mask)); load_param(&playfield_row_mask, sizeof(playfield_row_mask)); load_param(&y_mask, sizeof(y_mask)); load_param(&hint_pending, sizeof(hint_pending)); load_param(&vint_pending, sizeof(vint_pending)); load_param(&h_counter, sizeof(h_counter)); load_param(&hc_latch, sizeof(hc_latch)); load_param(&v_counter, sizeof(v_counter)); load_param(&dmafill, sizeof(dmafill)); load_param(&im2_flag, sizeof(im2_flag)); load_param(&frame_end, sizeof(frame_end)); load_param(&dma_endCycles, sizeof(dma_endCycles)); // system.c stuff load_param(&aim_m68k,sizeof(aim_m68k)); load_param(&count_m68k,sizeof(count_m68k)); load_param(&dma_m68k,sizeof(dma_m68k)); load_param(&aim_z80,sizeof(aim_z80)); load_param(&count_z80,sizeof(count_z80)); // FM stuff load_param(fm_reg,sizeof(fm_reg)); load_param(&fm_status,sizeof(fm_status)); load_param(timer,sizeof(timer)); fm_restore(); // psg stuff load_param(&PSG_MAME,1); if (PSG_MAME) { struct SN76496 *R = &sn[0]; load_param(R->Register,27*4); } else load_param(SN76489_GetContextPtr (0),SN76489_GetContextSize ()); // Window size load_param(&height, sizeof(int)); load_param(&width, sizeof(int)); if (height != bitmap.viewport.h) { bitmap.viewport.oh = bitmap.viewport.h; bitmap.viewport.h = height; bitmap.viewport.changed = 1; } if (width != bitmap.viewport.w) { bitmap.viewport.ow = bitmap.viewport.w; bitmap.viewport.w = width; bitmap.viewport.changed = 1; } // 68000 CPU load_param(&tmp32, 4); m68k_set_reg(M68K_REG_D0, tmp32); load_param(&tmp32, 4); m68k_set_reg(M68K_REG_D1, tmp32); load_param(&tmp32, 4); m68k_set_reg(M68K_REG_D2, tmp32); load_param(&tmp32, 4); m68k_set_reg(M68K_REG_D3, tmp32); load_param(&tmp32, 4); m68k_set_reg(M68K_REG_D4, tmp32); load_param(&tmp32, 4); m68k_set_reg(M68K_REG_D5, tmp32); load_param(&tmp32, 4); m68k_set_reg(M68K_REG_D6, tmp32); load_param(&tmp32, 4); m68k_set_reg(M68K_REG_D7, tmp32); load_param(&tmp32, 4); m68k_set_reg(M68K_REG_A0, tmp32); load_param(&tmp32, 4); m68k_set_reg(M68K_REG_A1, tmp32); load_param(&tmp32, 4); m68k_set_reg(M68K_REG_A2, tmp32); load_param(&tmp32, 4); m68k_set_reg(M68K_REG_A3, tmp32); load_param(&tmp32, 4); m68k_set_reg(M68K_REG_A4, tmp32); load_param(&tmp32, 4); m68k_set_reg(M68K_REG_A5, tmp32); load_param(&tmp32, 4); m68k_set_reg(M68K_REG_A6, tmp32); load_param(&tmp32, 4); m68k_set_reg(M68K_REG_A7, tmp32); load_param(&tmp32, 4); m68k_set_reg(M68K_REG_PC, tmp32); load_param(&tmp16, 2); m68k_set_reg(M68K_REG_SR, tmp16); load_param(&tmp32, 4); m68k_set_reg(M68K_REG_USP,tmp32); // MAME Z80 CPU load_param(&tmp32, 4); z80_set_reg(Z80_PC, tmp32); load_param(&tmp32, 4); z80_set_reg(Z80_SP, tmp32); load_param(&tmp32, 4); z80_set_reg(Z80_AF, tmp32); load_param(&tmp32, 4); z80_set_reg(Z80_BC, tmp32); load_param(&tmp32, 4); z80_set_reg(Z80_DE, tmp32); load_param(&tmp32, 4); z80_set_reg(Z80_HL, tmp32); load_param(&tmp32, 4); z80_set_reg(Z80_IX, tmp32); load_param(&tmp32, 4); z80_set_reg(Z80_IY, tmp32); load_param(&tmp32, 4); z80_set_reg(Z80_R, tmp32); load_param(&tmp32, 4); z80_set_reg(Z80_I, tmp32); load_param(&tmp32, 4); z80_set_reg(Z80_AF2, tmp32); load_param(&tmp32, 4); z80_set_reg(Z80_BC2, tmp32); load_param(&tmp32, 4); z80_set_reg(Z80_DE2, tmp32); load_param(&tmp32, 4); z80_set_reg(Z80_HL2, tmp32); load_param(&tmp32, 4); z80_set_reg(Z80_IM, tmp32); load_param(&tmp32, 4); z80_set_reg(Z80_IFF1,tmp32); load_param(&tmp32, 4); z80_set_reg(Z80_IFF2,tmp32); load_param(&tmp32, 4); z80_set_reg(Z80_HALT,tmp32); load_param(&tmp32, 4); z80_set_reg(Z80_NMI_STATE,tmp32); load_param(&tmp32, 4); z80_set_reg(Z80_IRQ_STATE,tmp32); load_param(&tmp32, 4); z80_set_reg(Z80_DC0, tmp32); load_param(&tmp32, 4); z80_set_reg(Z80_DC1, tmp32); load_param(&tmp32, 4); z80_set_reg(Z80_DC2, tmp32); load_param(&tmp32, 4); z80_set_reg(Z80_DC3, tmp32); // Remake cache for (i=0;i<0x800;i++) { bg_name_list[i]=i; bg_name_dirty[i]=0xFF; } bg_list_index=0x800; color_update = color_update_16; for(i = 0; i < 0x40; i += 1) color_update(i, *(uint16 *)&cram[i << 1]); color_update(0x00, *(uint16 *)&cram[border << 1]); } int state_save(unsigned char *buffer) { uint32 tmp32; uint16 tmp16; unsigned long inbytes, outbytes; /* save state */ bufferptr = 0; // gen.c stuff save_param(work_ram, sizeof(work_ram)); save_param(zram, sizeof(zram)); save_param(&zbusreq, sizeof(zbusreq)); save_param(&zreset, sizeof(zreset)); save_param(&zbusack, sizeof(zbusack)); save_param(&zirq, sizeof(zirq)); save_param(&zbank, sizeof(zbank)); save_param(&lastbusreqcnt, sizeof(lastbusreqcnt)); save_param(&lastbusack, sizeof(lastbusack)); // io.c stuff save_param(io_reg, sizeof(io_reg)); // render.c stuff save_param(&object_index_count,sizeof(object_index_count)); // vdp.c stuff save_param(sat, sizeof(sat)); save_param(vram, sizeof(vram)); save_param(cram, sizeof(cram)); save_param(vsram, sizeof(vsram)); save_param(reg, sizeof(reg)); save_param(&addr, sizeof(addr)); save_param(&addr_latch, sizeof(addr_latch)); save_param(&code, sizeof(code)); save_param(&pending, sizeof(pending)); save_param(&status, sizeof(status)); save_param(&ntab, sizeof(ntab)); save_param(&ntbb, sizeof(ntbb)); save_param(&ntwb, sizeof(ntwb)); save_param(&satb, sizeof(satb)); save_param(&hscb, sizeof(hscb)); save_param(&sat_base_mask, sizeof(sat_base_mask)); save_param(&sat_addr_mask, sizeof(sat_addr_mask)); save_param(&border, sizeof(border)); save_param(&playfield_shift, sizeof(playfield_shift)); save_param(&playfield_col_mask, sizeof(playfield_col_mask)); save_param(&playfield_row_mask, sizeof(playfield_row_mask)); save_param(&y_mask, sizeof(y_mask)); save_param(&hint_pending, sizeof(hint_pending)); save_param(&vint_pending, sizeof(vint_pending)); save_param(&h_counter, sizeof(h_counter)); save_param(&hc_latch, sizeof(hc_latch)); save_param(&v_counter, sizeof(v_counter)); save_param(&dmafill, sizeof(dmafill)); save_param(&im2_flag, sizeof(im2_flag)); save_param(&frame_end, sizeof(frame_end)); save_param(&dma_endCycles, sizeof(dma_endCycles)); // system.c stuff save_param(&aim_m68k,sizeof(aim_m68k)); save_param(&count_m68k,sizeof(count_m68k)); save_param(&dma_m68k,sizeof(dma_m68k)); save_param(&aim_z80,sizeof(aim_z80)); save_param(&count_z80,sizeof(count_z80)); // FM stuff save_param(fm_reg,sizeof(fm_reg)); save_param(&fm_status,sizeof(fm_status)); save_param(timer,sizeof(timer)); // PSG stuff save_param(&PSG_MAME,1); if (PSG_MAME) { struct SN76496 *R = &sn[0]; save_param(R->Register,27*4); } else save_param(SN76489_GetContextPtr (0),SN76489_GetContextSize ()); // Window size save_param(&bitmap.viewport.h, sizeof(int)); save_param(&bitmap.viewport.w, sizeof(int)); // 68000 CPU tmp32 = m68k_get_reg(NULL, M68K_REG_D0); save_param(&tmp32, 4); tmp32 = m68k_get_reg(NULL, M68K_REG_D1); save_param(&tmp32, 4); tmp32 = m68k_get_reg(NULL, M68K_REG_D2); save_param(&tmp32, 4); tmp32 = m68k_get_reg(NULL, M68K_REG_D3); save_param(&tmp32, 4); tmp32 = m68k_get_reg(NULL, M68K_REG_D4); save_param(&tmp32, 4); tmp32 = m68k_get_reg(NULL, M68K_REG_D5); save_param(&tmp32, 4); tmp32 = m68k_get_reg(NULL, M68K_REG_D6); save_param(&tmp32, 4); tmp32 = m68k_get_reg(NULL, M68K_REG_D7); save_param(&tmp32, 4); tmp32 = m68k_get_reg(NULL, M68K_REG_A0); save_param(&tmp32, 4); tmp32 = m68k_get_reg(NULL, M68K_REG_A1); save_param(&tmp32, 4); tmp32 = m68k_get_reg(NULL, M68K_REG_A2); save_param(&tmp32, 4); tmp32 = m68k_get_reg(NULL, M68K_REG_A3); save_param(&tmp32, 4); tmp32 = m68k_get_reg(NULL, M68K_REG_A4); save_param(&tmp32, 4); tmp32 = m68k_get_reg(NULL, M68K_REG_A5); save_param(&tmp32, 4); tmp32 = m68k_get_reg(NULL, M68K_REG_A6); save_param(&tmp32, 4); tmp32 = m68k_get_reg(NULL, M68K_REG_A7); save_param(&tmp32, 4); tmp32 = m68k_get_reg(NULL, M68K_REG_PC); save_param(&tmp32, 4); tmp16 = m68k_get_reg(NULL, M68K_REG_SR); save_param(&tmp16, 2); tmp32 = m68k_get_reg(NULL, M68K_REG_USP); save_param(&tmp32, 4); // Z80 CPU tmp32 = z80_get_reg(Z80_PC); save_param(&tmp32, 4); tmp32 = z80_get_reg(Z80_SP); save_param(&tmp32, 4); tmp32 = z80_get_reg(Z80_AF); save_param(&tmp32, 4); tmp32 = z80_get_reg(Z80_BC); save_param(&tmp32, 4); tmp32 = z80_get_reg(Z80_DE); save_param(&tmp32, 4); tmp32 = z80_get_reg(Z80_HL); save_param(&tmp32, 4); tmp32 = z80_get_reg(Z80_IX); save_param(&tmp32, 4); tmp32 = z80_get_reg(Z80_IY); save_param(&tmp32, 4); tmp32 = z80_get_reg(Z80_R); save_param(&tmp32, 4); tmp32 = z80_get_reg(Z80_I); save_param(&tmp32, 4); tmp32 = z80_get_reg(Z80_AF2); save_param(&tmp32, 4); tmp32 = z80_get_reg(Z80_BC2); save_param(&tmp32, 4); tmp32 = z80_get_reg(Z80_DE2); save_param(&tmp32, 4); tmp32 = z80_get_reg(Z80_HL2); save_param(&tmp32, 4); tmp32 = z80_get_reg(Z80_IM); save_param(&tmp32, 4); tmp32 = z80_get_reg(Z80_IFF1); save_param(&tmp32, 4); tmp32 = z80_get_reg(Z80_IFF2); save_param(&tmp32, 4); tmp32 = z80_get_reg(Z80_HALT); save_param(&tmp32, 4); tmp32 = z80_get_reg(Z80_NMI_STATE); save_param(&tmp32, 4); tmp32 = z80_get_reg(Z80_IRQ_STATE); save_param(&tmp32, 4); tmp32 = z80_get_reg(Z80_DC0); save_param(&tmp32, 4); tmp32 = z80_get_reg(Z80_DC1); save_param(&tmp32, 4); tmp32 = z80_get_reg(Z80_DC2); save_param(&tmp32, 4); tmp32 = z80_get_reg(Z80_DC3); save_param(&tmp32, 4); inbytes = bufferptr; #ifdef NGC /* compress state file */ outbytes = 0x24000; compress2 ((char *) &buffer[sizeof(outbytes)], &outbytes, (char *) &state[0], inbytes, 9); #else outbytes = inbytes; memcpy(&buffer[sizeof(outbytes)], &state[0], outbytes); #endif /* write compressed size in the first 32 bits for decompression */ memcpy(&buffer[0], &outbytes, sizeof(outbytes)); /* return total size */ return (sizeof(outbytes) + outbytes); }