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fixed SRAM being reinitialized after changing some system options when auto-SRAM is enabled

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fixed BIOS lockup with games using SRAM when auto-SRAM is enabled
improved Gamecube controller autodetection on startup
This commit is contained in:
ekeeke31 2009-10-04 18:24:29 +00:00
parent 45756f6b14
commit 824b33fea9
7 changed files with 124 additions and 50 deletions
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2
source/cart_hw/cart_hw.c
View File

@ -453,7 +453,7 @@ void cart_hw_reset()
if (cart.hw.realtec & 1)
{
/* enable BOOTROM */
for (i=0; i<0x40; i++)
for (i=0x00; i<0x40; i++)
m68k_memory_map[i].base = mem_chunk;
for (i=0; i<8; i++)
memcpy(mem_chunk + i*0x2000, cart.rom + 0x7e000, 0x2000);

2
source/gx/config.c
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@ -101,8 +101,6 @@ void config_default(void)
config.bilinear = 1;
/* controllers options */
input.system[0] = SYSTEM_GAMEPAD;
input.system[1] = SYSTEM_GAMEPAD;
config.gun_cursor[0] = 1;
config.gun_cursor[1] = 1;
config.invert_mouse = 0;

4
source/gx/fileio/file_mem.c
View File

@ -118,7 +118,6 @@ static int FAT_ManageFile(char *filename, u8 direction, u8 filetype)
{
memcpy(sram.sram, savebuffer, filesize);
sram.crc = crc32 (0, sram.sram, 0x10000);
system_reset ();
}
else
{
@ -412,9 +411,6 @@ int ManageSRAM (u8 direction, u8 device)
uncompress ((Bytef *) &sram.sram, &outzipped, (Bytef *) &savebuffer[2112+sizeof(inzipped)], inzipped);
sram.crc = crc32 (0, &sram.sram[0], 0x10000);
/*** reset system ***/
system_reset ();
/*** Inform user ***/
sprintf (action, "Loaded %d bytes successfully", size);
GUI_WaitPrompt("Information",action);

3
source/gx/gui/menu.c
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@ -914,6 +914,7 @@ static void systemmenu ()
/* reinitialize timings */
system_init ();
memfile_autoload(config.sram_auto,-1);
unsigned char *temp = memalign(32,YM2612GetContextSize());
if (temp) memcpy(temp, YM2612GetContextPtr(), YM2612GetContextSize());
audio_init(48000);
@ -952,6 +953,7 @@ static void systemmenu ()
{
system_init ();
system_reset ();
memfile_autoload(config.sram_auto,-1);
}
break;
@ -967,6 +969,7 @@ static void systemmenu ()
system_reset (); /* clear any patches first */
system_init ();
system_reset ();
memfile_autoload(config.sram_auto,-1);
}
break;

43
source/gx/gx_input.c
View File

@ -599,7 +599,8 @@ void gx_input_Init(void)
void gx_input_SetDefault(void)
{
int i;
int i,j;
u32 exp;
/* set default key mapping for each type of devices */
for (i=0; i<4; i++)
@ -649,19 +650,17 @@ void gx_input_SetDefault(void)
}
#endif
/* Default device assignation */
/* Default player inputs */
for (i=0; i<MAX_DEVICES; i++)
{
/* set gamepad by default */
config.input[i].device = (i < 4) ? 0 : -1;
config.input[i].device = -1;
config.input[i].port = i%4;
config.input[i].padtype = 0;
}
#ifdef HW_RVL
u32 exp;
/* Autodetect Wii Controllers */
VIDEO_WaitVSync();
int j;
for (i=0; i<4; i++)
{
/* try to autodetect connected controller */
@ -678,7 +677,7 @@ void gx_input_SetDefault(void)
/* look for unassigned wiimotes */
for (j=0; j<i; j++)
{
/* classic is used, wiimote is free */
/* classic controller is already assigned, which means wiimote is not used */
if (config.input[j].device == (WPAD_EXP_CLASSIC + 1))
{
/* assign wiimote */
@ -688,13 +687,31 @@ void gx_input_SetDefault(void)
}
}
}
for (i=4; i<MAX_DEVICES; i++)
{
/* set gamepad if not assigned */
config.input[i].device = (config.input[i%4].device == 0) ? -1 : 0;
}
#endif
/* Autodetect Gamecube Controllers */
VIDEO_WaitVSync();
exp = PAD_ScanPads();
for (i=0; i<4; i++)
{
/* check if Gamecube Controller is connected */
if (exp & (1 << i))
{
for (j=0; j<MAX_DEVICES; j++)
{
/* look for the first unassigned player */
if (config.input[j].device == -1)
{
config.input[j].device = 0;
config.input[j].port = i;
}
}
}
}
/* default emulated inputs */
input.system[0] = SYSTEM_GAMEPAD;
input.system[1] = (config.input[1].device != -1) ? SYSTEM_GAMEPAD : NO_SYSTEM;
}
void gx_input_Config(u8 chan, u8 type, u8 max)

11
source/gx/main.c
View File

@ -67,13 +67,6 @@ static void load_bios(void)
/* update BIOS flags */
config.bios_enabled |= 2;
if (config.bios_enabled == 3)
{
/* initialize system */
system_init ();
audio_init(48000);
}
}
static void init_machine(void)
@ -110,10 +103,6 @@ static void init_machine(void)
bitmap.viewport.x = 0;
bitmap.viewport.y = 0;
bitmap.data = texturemem;
/* default system */
input.system[0] = SYSTEM_GAMEPAD;
input.system[1] = SYSTEM_GAMEPAD;
}
/**************************************************

109
source/vdp.c
View File

@ -292,6 +292,10 @@ void vdp_update_dma()
/* DMA bytes left */
int dma_bytes = (left_cycles * rate) / m68cycles_per_line;
#ifdef LOGERROR
error("[%d(%d)][%d(%d)] DMA type %d (%d access/line)-> %d access (%d remaining) (%x)\n", v_counter, count_m68k/488, count_m68k, count_m68k%488,dma_type, rate, dma_length, dma_bytes, m68k_get_reg (NULL, M68K_REG_PC));
#endif
/* determinate DMA length in CPU cycles */
if (dma_length < dma_bytes)
{
@ -312,6 +316,10 @@ void vdp_update_dma()
/* 68K COPY to V-RAM */
/* 68K is frozen during DMA operation */
count_m68k += dma_cycles;
#ifdef LOGERROR
error("-->CPU frozen for %d cycles\n", dma_cycles);
#endif
}
else
{
@ -319,6 +327,10 @@ void vdp_update_dma()
/* set DMA end cyles count */
dma_endCycles = count_m68k + dma_cycles;
#ifdef LOGERROR
error("-->DMA ends in %d cycles\n", dma_cycles);
#endif
/* set DMA Busy flag */
status |= 0x0002;
}
@ -431,7 +443,7 @@ unsigned int vdp_ctrl_r(void)
if (!(reg[1] & 0x40)) temp |= 0x8;
/* HBLANK flag (Sonic 3 and Sonic 2 "VS Modes", Lemmings 2, Mega Turrican) */
if ((count_m68k <= (line_m68k + 84)) || (count_m68k > (line_m68k + m68cycles_per_line - 36))) temp |= 0x4;
if ((count_m68k <= (line_m68k + 84)) || (count_m68k > (line_m68k + m68cycles_per_line))) temp |= 0x4;
/* clear pending flag */
pending = 0;
@ -439,9 +451,33 @@ unsigned int vdp_ctrl_r(void)
/* clear SPR/SCOL flags */
status &= 0xFF9F;
#ifdef LOGERROR
error("[%d(%d)][%d(%d)] VDP status read -> 0x%x (%x)\n", v_counter, count_m68k/488, count_m68k, count_m68k%488, temp, m68k_get_reg (NULL, M68K_REG_PC));
#endif
return (temp);
}
unsigned int vdp_hvc_r(void)
{
uint8 hc = (hc_latch & 0x100) ? (hc_latch & 0xFF) : hctab[count_m68k % m68cycles_per_line];
uint8 vc = vctab[v_counter];
/* interlace mode 2 */
if (im2_flag) vc = (vc << 1) | ((vc >> 7) & 1);
#ifdef LOGERROR
error("[%d(%d)][%d(%d)] VDP HVC Read -> 0x%04x (%x)\n", v_counter, count_m68k/488, count_m68k, count_m68k%488,(vc << 8) | hc, m68k_get_reg (NULL, M68K_REG_PC));
#endif
return ((vc << 8) | hc);
}
void vdp_test_w(unsigned int value)
{
#ifdef LOGERROR
error("Unused VDP Write 0x%x (%08x)\n", value, m68k_get_reg (NULL, M68K_REG_PC));
#endif
}
void vdp_data_w(unsigned int data)
{
/* Clear pending flag */
@ -494,15 +530,24 @@ unsigned int vdp_data_r(void)
{
case 0x00: /* VRAM */
temp = *(uint16 *) & vram[(addr & 0xFFFE)];
#ifdef LOGERROR
error("[%d(%d)][%d(%d)] VRAM 0x%x read -> 0x%x (%x)\n", v_counter, count_m68k/488, count_m68k, count_m68k%488, addr, temp, m68k_get_reg (NULL, M68K_REG_PC));
#endif
break;
case 0x08: /* CRAM */
temp = *(uint16 *) & cram[(addr & 0x7E)];
temp = UNPACK_CRAM (temp);
#ifdef LOGERROR
error("[%d(%d)][%d(%d)] CRAM 0x%x read -> 0x%x (%x)\n", v_counter, count_m68k/488, count_m68k, count_m68k%488, addr, temp, m68k_get_reg (NULL, M68K_REG_PC));
#endif
break;
case 0x04: /* VSRAM */
temp = *(uint16 *) & vsram[(addr & 0x7E)];
#ifdef LOGERROR
error("[%d(%d)][%d(%d)] VSRAM 0x%x read -> 0x%x (%x)\n", v_counter, count_m68k/488, count_m68k, count_m68k%488, addr, temp, m68k_get_reg (NULL, M68K_REG_PC));
#endif
break;
}
@ -513,39 +558,31 @@ unsigned int vdp_data_r(void)
return (temp);
}
unsigned int vdp_hvc_r(void)
{
uint8 hc = (hc_latch & 0x100) ? (hc_latch & 0xFF) : hctab[count_m68k % m68cycles_per_line];
uint8 vc = vctab[v_counter];
/* interlace mode 2 */
if (im2_flag) vc = (vc << 1) | ((vc >> 7) & 1);
return ((vc << 8) | hc);
}
void vdp_test_w(unsigned int value)
{
#ifdef LOGERROR
error("Unused VDP Write 0x%x (%08x)\n", value, m68k_get_reg (NULL, M68K_REG_PC));
#endif
}
/*--------------------------------------------------------------------------*/
/* VDP Interrupts callback */
/*--------------------------------------------------------------------------*/
int vdp_int_ack_callback(int int_level)
{
#ifdef LOGERROR
error("[%d(%d)][%d(%d)] INT Level %d ack (%x)\n", v_counter, count_m68k/488, count_m68k, count_m68k%488,int_level, m68k_get_reg (NULL, M68K_REG_PC));
#endif
/* VINT triggered ? */
if (irq_status&0x20)
{
vint_pending = 0;
status &= ~0x80; /* clear VINT flag */
#ifdef LOGERROR
error("---> VINT cleared\n");
#endif
}
else
{
hint_pending = 0;
#ifdef LOGERROR
error("---> HINT cleared\n");
#endif
}
/* update IRQ status */
@ -585,6 +622,10 @@ static inline void data_w(unsigned int data)
{
case 0x01: /* VRAM */
#ifdef LOGERROR
error("[%d(%d)][%d(%d)] VRAM 0x%x write -> 0x%x (%x)\n", v_counter, count_m68k/488, count_m68k, count_m68k%488, addr, data, m68k_get_reg (NULL, M68K_REG_PC));
#endif
/* Byte-swap data if A0 is set */
if (addr & 1) data = (data >> 8) | (data << 8);
@ -608,6 +649,9 @@ static inline void data_w(unsigned int data)
case 0x03: /* CRAM */
{
#ifdef LOGERROR
error("[%d(%d)][%d(%d)] CRAM 0x%x write -> 0x%x (%x)\n", v_counter, count_m68k/488, count_m68k, count_m68k%488, addr, data, m68k_get_reg (NULL, M68K_REG_PC));
#endif
uint16 *p = (uint16 *) &cram[(addr & 0x7E)];
data = PACK_CRAM (data & 0x0EEE);
if (data != *p)
@ -622,12 +666,21 @@ static inline void data_w(unsigned int data)
{
/* remap current line (Striker) */
remap_buffer(v_counter,bitmap.viewport.w + 2*bitmap.viewport.x);
#ifdef LOGERROR
error("Line remapped\n");
#endif
}
#ifdef LOGERROR
else error("Line NOT remapped\n");
#endif
}
break;
}
case 0x05: /* VSRAM */
#ifdef LOGERROR
error("[%d(%d)][%d(%d)] VSRAM 0x%x write -> 0x%x (%x)\n", v_counter, count_m68k/488, count_m68k, count_m68k%488, addr, data, m68k_get_reg (NULL, M68K_REG_PC));
#endif
*(uint16 *) &vsram[(addr & 0x7E)] = data;
break;
}
@ -642,6 +695,10 @@ static inline void data_w(unsigned int data)
*/
static inline void reg_w(unsigned int r, unsigned int d)
{
#ifdef LOGERROR
error("[%d(%d)][%d(%d)] VDP register %d write -> 0x%x (%x)\n", v_counter, count_m68k/488, count_m68k, count_m68k%488, r, d, m68k_get_reg (NULL, M68K_REG_PC));
#endif
/* See if Mode 4 (SMS mode) is enabled
According to official doc, VDP registers #11 to #23 can not be written unless bit2 in register #1 is set
Fix Captain Planet & Avengers (Alt version), Bass Master Classic Pro Edition (they incidentally activate Mode 4)
@ -713,7 +770,14 @@ static inline void reg_w(unsigned int r, unsigned int d)
*/
reg[1] = d;
render_line(v_counter, 0);
#ifdef LOGERROR
error("Line redrawn\n");
#endif
}
#ifdef LOGERROR
else
error("Line NOT redrawn\n");
#endif
}
break;
@ -759,7 +823,14 @@ static inline void reg_w(unsigned int r, unsigned int d)
/* remap entire line (see Road Rash I,II,III) */
reg[7] = d;
remap_buffer(v_counter,bitmap.viewport.w + 2*bitmap.viewport.x);
#ifdef LOGERROR
error("--> Line remapped\n");
#endif
}
#ifdef LOGERROR
else
error("--> Line NOT remapped\n");
#endif
}
break;