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repo2/firmware_eclairexl/main.h

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#include <alloca.h>
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#include <sys/types.h>
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#include "integer.h"
#include "regs.h"
#include "pause.h"
#include "printf.h"
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#include "joystick.h"
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#include "freeze.h"
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#include "vidi2c.h"
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#include "pll.h"
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#include "simpledir.h"
#include "simplefile.h"
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#include "fileselector.h"
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#include "cartridge.h"
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#include "spibase.h"
#include "rom_location.h"
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#include "menu.h"

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#ifdef LINUX_BUILD
#include "curses_screen.h"
#define after_set_reg_hook() display_out_regs()
#else
#define after_set_reg_hook() do { } while(0)
#endif

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#ifdef USB
#include "usb.h"
#include "usb/debug.h"
#define USBSETTINGS
#endif

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#include "memory.h"
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void test_ram();

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extern char ROM_DIR[];
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extern unsigned char freezer_rom_present;
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extern unsigned char sd_present;
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void mainmenu();

// TODO - needs serious cleanup!

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// FUNCTIONS in here
// i) pff init - NOT USED EVERYWHERE
// ii) file selector - kind of crap, no fine scrolling - NOT USED EVERYWHERE
// iii) cold reset atari (clears base ram...)
// iv) start atari (begins paused)
// v) freeze/resume atari - NOT USED EVERYWHERE!
// vi) menu for various options - NOT USED EVERYWHERE!
// vii) pause - TODO - base this on pokey clock...

// standard ZPU IN/OUT use...
// OUT1 - 6502 settings (pause,reset,speed)
// pause_n: bit 0
// reset_n: bit 1
// turbo: bit 2-4: meaning... 0=1.79Mhz,1=3.58MHz,2=7.16MHz,3=14.32MHz,4=28.64MHz,5=57.28MHz,etc.
// ram_select: bit 5-7:
// RAM_SELECT : in std_logic_vector(2 downto 0); -- 64K,128K,320KB Compy, 320KB Rambo, 576K Compy, 576K Rambo, 1088K, 4MB

#define BIT_REG(op,mask,shift,name,reg) \
int get_ ## name() \
{ \
int val = *reg; \
return op((val>>shift)&mask); \
} \
void set_ ## name(int param) \
{ \
int val = *reg; \
\
val = (val&~(mask<<shift)); \
val |= op(param)<<shift; \
\
*reg = val; \
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after_set_reg_hook(); \
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}

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#define BIT_REG_RO(op,mask,shift,name,reg) \
int get_ ## name() \
{ \
int val = *reg; \
return op((val>>shift)&mask); \
}

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BIT_REG(,0x1,0,pause_6502,zpu_out1)
BIT_REG(,0x1,1,reset_6502,zpu_out1)
BIT_REG(,0x3f,2,turbo_6502,zpu_out1)
BIT_REG(,0x7,8,ram_select,zpu_out1)
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BIT_REG(,0x1,11,atari800mode,zpu_out1)
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//BIT_REG(,0x3f,11,rom_select,zpu_out1)
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BIT_REG(,0x3f,17,cart_select,zpu_out1)
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// reserve 2 bits for extending cart_select
BIT_REG(,0x01,25,freezer_enable,zpu_out1)
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BIT_REG(,0x03,26,key_type,zpu_out1) // ansi,iso,custom1,custom2
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#ifndef MIST
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BIT_REG(,0x07,28,turbo_drive,zpu_out1)
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#endif
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BIT_REG(,0x01,31,turbo_6502_vblank_only,zpu_out1)
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BIT_REG(,0x07,0,video,zpu_out6) // 4 bits,3 used... what to do...
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BIT_REG(,0x01,4,tv,zpu_out6)
BIT_REG(,0x01,5,scanlines,zpu_out6)
BIT_REG(,0x01,6,csync,zpu_out6)
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BIT_REG(,0x07,7,resolution,zpu_out6)
BIT_REG(,0x07,10,scaler,zpu_out6) // 3 bits to allow multiple polyphasic filters
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#ifdef DEBUG_SUPPORT
BIT_REG(,0xffff,0,debug_addr,zpu_out7)
BIT_REG(,0xff,16,debug_data,zpu_out7)
BIT_REG(,0x1,24,debug_read_mode,zpu_out7)
BIT_REG(,0x1,25,debug_write_mode,zpu_out7)
BIT_REG(,0x1,26,debug_data_match,zpu_out7)
#endif

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BIT_REG_RO(,0x1,8,hotkey_softboot,zpu_in1)
BIT_REG_RO(,0x1,9,hotkey_coldboot,zpu_in1)
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BIT_REG_RO(,0x1,10,hotkey_settings,zpu_in1)
BIT_REG_RO(,0x1,11,hotkey_fileselect,zpu_in1)
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BIT_REG_RO(,0x3f,12,controls,zpu_in1) // (esc)FLRDU
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BIT_REG_RO(,0x1,18,sd_detect,zpu_in1) // sd_detect
BIT_REG_RO(,0x1,19,sd_writeprotect,zpu_in1) // sd_writeprotect
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//MiST file IO
#ifdef MIST
BIT_REG_RO(,0x07,26,turbo_drive,zpu_in1)
BIT_REG_RO(,0x1,29,sd_ack,zpu_in1)
BIT_REG_RO(,0x3,30,sd_mounted,zpu_in1)

BIT_REG(,0x3,30,sd_read,zpu_out3)
BIT_REG(,0x3,28,sd_write,zpu_out3)
BIT_REG(,0x1,18,sd_secbuf_rd,zpu_out3)
BIT_REG(,0x1,17,sd_secbuf_we,zpu_out3)
BIT_REG(,0x1ff,8,sd_secbuf_addr,zpu_out3)
BIT_REG(,0xff,0,sd_secbuf_d,zpu_out3)
#endif

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#define VIDEO_RGB 0
#define VIDEO_SCANDOUBLE 1
#define VIDEO_SVIDEO 2
#define VIDEO_HDMI 3
#define VIDEO_DVI 4
#define VIDEO_VGA 5
#define VIDEO_COMPOSITE 6
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#define TV_NTSC 0
#define TV_PAL 1


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void
wait_us(int unsigned num)
{
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// pause counter runs in us
*zpu_pause = num;
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#ifdef LINUX_BUILD
usleep(num);
#endif
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#ifdef SOCKIT
usleep(num);
#endif
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}

void memset8(void * address, int value, int length)
{
char * mem = address;
while (length--)
*mem++=value;
}

void memset32(void * address, int value, int length)
{
int * mem = address;
while (length--)
*mem++=value;
}

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void clear_main_ram()
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{
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memset8(SRAM_BASE, 0, 1024); // SRAM, if present (TODO)
memset32(SDRAM_BASE, 0, 1024/4);
*atari_cartswitch = 0;
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}

void
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reboot(int cold)
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{
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set_pause_6502(1);
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if (cold)
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{
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set_freezer_enable(0);
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clear_main_ram();
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set_freezer_enable(freezer_rom_present);
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}
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set_reset_6502(1);
// Do nothing in here - this resets the memory controller!
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set_reset_6502(0);
set_pause_6502(0);
}

unsigned char toatarichar(int val)
{
int inv = val>=128;
if (inv)
{
val-=128;
}
if (val>='A' && val<='Z')
{
val+=-'A'+33;
}
else if (val>='a' && val<='z')
{
val+=-'a'+33+64;
}
else if (val>='0' && val<='9')
{
val+=-'0'+16;
}
else if (val>=32 && val<=47)
{
val+=-32;
}
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else if (val == ':')
{
val = 26;
}
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else
{
val = 0;
}
if (inv)
{
val+=128;
}
return val;
}

int debug_pos;
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int debug_adjust;
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unsigned char volatile * baseaddr;

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#ifdef LINUX_BUILD
void char_out(void* p, char c)
{
// get rid of unused parameter p warning
(void)(p);
int x, y;
x = debug_pos % 40;
y = debug_pos / 40;
display_char(x, y, c, debug_adjust == 128);
debug_pos++;
}

#else
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void clearscreen()
{
unsigned volatile char * screen;
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for (screen=(unsigned volatile char *)(screen_address+atari_regbase); screen!=(unsigned volatile char *)(atari_regbase+screen_address+1024); ++screen)
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*screen = 0x00;
}

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void char_out ( void* p, char c)
{
unsigned char val = toatarichar(c);
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if (debug_pos>=0)
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{
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*(baseaddr+debug_pos) = val|debug_adjust;
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++debug_pos;
}
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}
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#endif
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#define NUM_FILES 8
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struct SimpleFile * files[NUM_FILES];

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void loadromfile(struct SimpleFile * file, int size, unsigned char * ram_address)
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{
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void* absolute_ram_address = ram_address;
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int read = 0;
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file_read(file, absolute_ram_address, size, &read);
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}
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void loadrom(char const * path, int size, unsigned char * ram_address)
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{
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if (SimpleFile_OK == file_open_name(path, files[5]))
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{
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loadromfile(files[5], size, ram_address);
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}
}

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void loadrom_indir(struct SimpleDirEntry * entries, char const * filename, int size, unsigned char * ram_address)
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{
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if (SimpleFile_OK == file_open_name_in_dir(entries, filename, files[5]))
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{
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loadromfile(files[5], size, ram_address);
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}
}

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#ifdef LINUX_BUILD
int zpu_main(void)
#else
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int main(void)
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#endif
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{
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INIT_MEM

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init_printf(0, char_out);

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#ifdef PLL_SUPPORT
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set_pll2();
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#endif
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//set_vidi2c();

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fil_type_rom = "ROM";
fil_type_bin = "BIN";
fil_type_car = "CAR";
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fil_type_mem = "MEM";
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fil_type_rpd = "RPD";
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int i;
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for (i=0; i!=NUM_FILES; ++i)
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{
files[i] = (struct SimpleFile *)alloca(file_struct_size());
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file_init(files[i]);
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}

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freeze_init((void*)FREEZE_MEM); // 128k
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debug_pos = -1;
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debug_adjust = 0;
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baseaddr = (unsigned char volatile *)(screen_address + atari_regbase);
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set_pause_6502(1);
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set_reset_6502(1);
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set_reset_6502(0);
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set_turbo_6502(1);
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set_ram_select(2);
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set_cart_select(0);
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set_freezer_enable(0);
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set_key_type(0);
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#ifndef MIST
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set_turbo_drive(0);
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#endif
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set_atari800mode(0);
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*atari_colbk = 0xc8;
//test_ram();

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mainmenu();
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return 0;
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}

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#ifdef USBSETTINGS
void rotate_usb_sticks()
{
int max_jindex = hid_get_joysticks()-1;
if (max_jindex == 0) // If only one stick connected allow it to be 0 or 1
{
max_jindex = 1;
}

int i;

usb_device_t * devices = usb_get_devices();
for (i=0;i!=USB_NUMDEVICES;++i)
{
usb_device_t *dev = devices + i;
if (dev->bAddress)
{
if (dev->class == &usb_hid_class)
{
int j=0;
for (j=0;j!=dev->hid_info.bNumIfaces;++j)
{
int type = dev->hid_info.iface[j].device_type;
if (type == HID_DEVICE_JOYSTICK)
{
int jindex = dev->hid_info.iface[j].jindex;
event_digital_joystick(jindex, 0);
event_analog_joystick(jindex, 0,0);

jindex++;
if (jindex > max_jindex)
jindex = 0;

dev->hid_info.iface[j].jindex = jindex;
}
}
}
}
}
}

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void usb_devices(int debugPos)
{
usb_device_t *devices = usb_get_devices();
int nextDebugPos = debugPos;
int i=0;
int j=0;
for (i=0;i!=USB_NUMDEVICES;++i)
{
debug_pos = nextDebugPos;
usb_device_t *dev = devices + i;
if (dev->bAddress)
{
if (dev->class == &usb_hub_class)
{
//printf("%x.Hub. %d ports. poll=%d",dev->bAddress,dev->hub_info.bNbrPorts, dev->hub_info.bPollEnable);
printf("%x.Hub. %d ports",dev->bAddress,dev->hub_info.bNbrPorts);
}
else if (dev->class == &usb_hid_class)
{
//printf("%x.HID. %d ifaces. poll=%d",dev->bAddress,dev->hid_info.bNumIfaces,dev->hid_info.bPollEnable);
printf("%x.HID",dev->bAddress);
int adjPos = 0;
for (j=0;j!=dev->hid_info.bNumIfaces;++j)
{
//usb_device_descriptor_t desc;
int type = dev->hid_info.iface[j].device_type;
if (adjPos && (type == HID_DEVICE_MOUSE || type == HID_DEVICE_KEYBOARD || type == HID_DEVICE_JOYSTICK))
{
nextDebugPos = nextDebugPos+40;
debug_pos = nextDebugPos;
}
if (type == HID_DEVICE_MOUSE)
printf(" Mouse");
else if (type == HID_DEVICE_KEYBOARD)
printf(" Keyboard");
else if (type == HID_DEVICE_JOYSTICK)
{
printf(" Joystick:%d",dev->hid_info.iface[j].jindex+1);
}
else
continue;

adjPos = 1;

/*int rcode = usb_get_dev_descr( dev, 12, &desc );
if( !rcode ) {
printf(" V:%02x%02x P:%02x%02x C:%02x",desc.idVendorH,desc.idVendorL,desc.idProductH,desc.idProductL,desc.bDeviceClass);
}*/
}
}
}
nextDebugPos = nextDebugPos+40;
}
}
#endif

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char const * get_video_mode(int video_mode)
{
static char const * videotxt[] =
{
"RGB",
"SCANDOUBLE",
"SVIDEO",
"HDMI",
"DVI",
"VGA",
"COMPOSITE"
};
return videotxt[video_mode];
}

char const * get_tv_standard(int tv)
{
static char const * tvtxt[] =
{
"NTSC",
"PAL"
};
return tvtxt[tv];
}

void load_settings(int profile)
{
struct SimpleDirEntry * entries = dir_entries(ROM_DIR);
unsigned int settings[2],origSettings[2];
settings[0] = *zpu_out1;
settings[1] = *zpu_out6;
origSettings[0] = settings[0];
origSettings[1] = settings[1];
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#ifndef NO_FLASH
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if (profile==4)
{
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#endif
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if (sd_present && SimpleFile_OK == file_open_name_in_dir(entries, "settings", files[6]))
{
int read = 0;
file_read(files[6], &settings[0], 8, &read);
}
else
{
return;
}
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#ifndef NO_FLASH
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}
else
{
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readFlash(romstart + (profile<<13),8,&settings[0]);
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}
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#endif
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unsigned int mask = 1|(1<<1)|(0x3f<<17)|(1<<25); //do not override pause, reset, cart_select, freezer_enable
settings[0] &= ~mask;
settings[0] |= origSettings[0]&mask;

*zpu_out1 = settings[0];
*zpu_out6 = settings[1];

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#ifdef PLL_SUPPORT
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if (get_video()>=VIDEO_HDMI && get_video()<VIDEO_COMPOSITE)
{
int mode = get_resolution();
if (get_tv()==TV_NTSC)
mode = mode+4;

set_scaler_mode(mode);
}
else
{
if (get_tv()==TV_PAL)
set_pll(MODE_PAL_ORIG);
else
set_pll(MODE_NTSC_ORIG);
}
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#endif
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}

void save_settings(int profile)
{
struct SimpleDirEntry * entries = dir_entries(ROM_DIR);
unsigned int settings[2];
settings[0] = *zpu_out1;
settings[1] = *zpu_out6;

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#ifndef NO_FLASH
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if (profile==4)
{
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#endif
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if (sd_present && SimpleFile_OK == file_open_name_in_dir(entries, "settings", files[6]))
{
file_seek(files[6],0);
int written = 0;
file_write(files[6],&settings[0],8,&written);
file_write_flush();
}
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#ifndef NO_FLASH
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}
else
{
int size = 192; // last 64KB is unused

clearscreen();
debug_pos = 0;
debug_adjust = 0;
printf("Flashing settings");

debug_pos = 80;

printf("DO NOT POWER OFF");

debug_pos = 160;


printf("Read ");
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readFlash(romstart,size*1024,SCRATCH_MEM); // back up rest of settings
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printf("Erase ");
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eraseFlash(romstart,size*1024); // Clear at last 256kB
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printf("Write ");

memcp8(&settings[0],SCRATCH_MEM+(profile<<13),0,8);
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memcp8(os_addr(),SCRATCH_MEM+0x10000+(profile<<14),0,16384);
memcp8(basic_addr(),SCRATCH_MEM+0x8000+(profile<<13),0,8192);
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int romstartsectoraligned = romstart&0xffffff00;
int aligncorrection = romstart-romstartsectoraligned;
int extra = 0;
if (aligncorrection!=0)
{
extra = 256;
}
writeFlash(romstartsectoraligned,size*1024+extra,SCRATCH_MEM-aligncorrection);// write back rest of settings*/
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printf("Done ");
wait_us(1000000);
}
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#endif
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}