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#include <alloca.h>
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#include <sys/types.h>
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#include "integer.h"
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#include "regs.h"
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#include "pause.h"
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#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"
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#include "simplefile.h"
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#include "fileselector.h"
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#include "cartridge.h"
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#include "spibase.h"
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#include "rom_location.h"
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#include "menu.h"
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#ifdef LINUX_BUILD
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#include "curses_screen.h"
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#define after_set_reg_hook() display_out_regs()
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#else
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#define after_set_reg_hook() do { } while(0)
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#endif
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#ifdef USB
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#include "usb.h"
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#include "usb/debug.h"
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#define USBSETTINGS
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#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();
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// TODO - needs serious cleanup!
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// FUNCTIONS in here
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// i) pff init - NOT USED EVERYWHERE
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// ii) file selector - kind of crap, no fine scrolling - NOT USED EVERYWHERE
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// iii) cold reset atari (clears base ram...)
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// iv) start atari (begins paused)
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// v) freeze/resume atari - NOT USED EVERYWHERE!
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// vi) menu for various options - NOT USED EVERYWHERE!
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// vii) pause - TODO - base this on pokey clock...
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// standard ZPU IN/OUT use...
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// OUT1 - 6502 settings (pause,reset,speed)
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// pause_n: bit 0
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// reset_n: bit 1
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// turbo: bit 2-4: meaning... 0=1.79Mhz,1=3.58MHz,2=7.16MHz,3=14.32MHz,4=28.64MHz,5=57.28MHz,etc.
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// ram_select: bit 5-7:
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// RAM_SELECT : in std_logic_vector(2 downto 0); -- 64K,128K,320KB Compy, 320KB Rambo, 576K Compy, 576K Rambo, 1088K, 4MB
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#define BIT_REG(op,mask,shift,name,reg) \
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int get_ ## name() \
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{ \
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int val = *reg; \
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return op((val>>shift)&mask); \
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} \
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void set_ ## name(int param) \
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{ \
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int val = *reg; \
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\
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val = (val&~(mask<<shift)); \
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val |= op(param)<<shift; \
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\
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*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) \
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int get_ ## name() \
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{ \
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int val = *reg; \
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return op((val>>shift)&mask); \
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}
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BIT_REG(,0x1,0,pause_6502,zpu_out1)
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BIT_REG(,0x1,1,reset_6502,zpu_out1)
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BIT_REG(,0x3f,2,turbo_6502,zpu_out1)
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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
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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)
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BIT_REG(,0x01,5,scanlines,zpu_out6)
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BIT_REG(,0x01,6,csync,zpu_out6)
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BIT_REG(,0x07,7,resolution,zpu_out6)
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BIT_REG(,0x07,10,scaler,zpu_out6) // 3 bits to allow multiple polyphasic filters
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#ifdef DEBUG_SUPPORT
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BIT_REG(,0xffff,0,debug_addr,zpu_out7)
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BIT_REG(,0xff,16,debug_data,zpu_out7)
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BIT_REG(,0x1,24,debug_read_mode,zpu_out7)
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BIT_REG(,0x1,25,debug_write_mode,zpu_out7)
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BIT_REG(,0x1,26,debug_data_match,zpu_out7)
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#endif
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BIT_REG_RO(,0x1,8,hotkey_softboot,zpu_in1)
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BIT_REG_RO(,0x1,9,hotkey_coldboot,zpu_in1)
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BIT_REG_RO(,0x1,10,hotkey_settings,zpu_in1)
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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
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BIT_REG_RO(,0x1,19,sd_writeprotect,zpu_in1) // sd_writeprotect
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//MiST file IO
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#ifdef MIST
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BIT_REG_RO(,0x07,26,turbo_drive,zpu_in1)
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BIT_REG_RO(,0x1,29,sd_ack,zpu_in1)
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BIT_REG_RO(,0x3,30,sd_mounted,zpu_in1)
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BIT_REG(,0x3,30,sd_read,zpu_out3)
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BIT_REG(,0x3,28,sd_write,zpu_out3)
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BIT_REG(,0x1,18,sd_secbuf_rd,zpu_out3)
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BIT_REG(,0x1,17,sd_secbuf_we,zpu_out3)
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BIT_REG(,0x1ff,8,sd_secbuf_addr,zpu_out3)
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BIT_REG(,0xff,0,sd_secbuf_d,zpu_out3)
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#endif
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#define VIDEO_RGB 0
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#define VIDEO_SCANDOUBLE 1
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#define VIDEO_SVIDEO 2
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#define VIDEO_HDMI 3
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#define VIDEO_DVI 4
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#define VIDEO_VGA 5
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#define VIDEO_COMPOSITE 6
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#define TV_NTSC 0
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#define TV_PAL 1
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void
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wait_us(int unsigned num)
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{
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// pause counter runs in us
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*zpu_pause = num;
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#ifdef LINUX_BUILD
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usleep(num);
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#endif
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#ifdef SOCKIT
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usleep(num);
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#endif
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}
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void memset8(void * address, int value, int length)
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{
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char * mem = address;
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while (length--)
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*mem++=value;
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}
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void memset32(void * address, int value, int length)
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{
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int * mem = address;
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while (length--)
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*mem++=value;
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}
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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)
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memset32(SDRAM_BASE, 0, 1024/4);
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*atari_cartswitch = 0;
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}
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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);
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// Do nothing in here - this resets the memory controller!
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set_reset_6502(0);
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set_pause_6502(0);
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}
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unsigned char toatarichar(int val)
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{
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int inv = val>=128;
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if (inv)
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{
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val-=128;
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}
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if (val>='A' && val<='Z')
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{
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val+=-'A'+33;
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}
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else if (val>='a' && val<='z')
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{
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val+=-'a'+33+64;
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}
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else if (val>='0' && val<='9')
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{
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val+=-'0'+16;
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}
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else if (val>=32 && val<=47)
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{
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val+=-32;
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}
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else if (val == ':')
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{
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val = 26;
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}
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else
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{
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val = 0;
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}
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if (inv)
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{
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val+=128;
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}
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return val;
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}
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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
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void char_out(void* p, char c)
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{
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// get rid of unused parameter p warning
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(void)(p);
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int x, y;
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x = debug_pos % 40;
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y = debug_pos / 40;
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display_char(x, y, c, debug_adjust == 128);
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debug_pos++;
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}
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#else
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void clearscreen()
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{
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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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}
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void char_out ( void* p, char c)
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{
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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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}
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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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}
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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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}
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#ifdef LINUX_BUILD
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int zpu_main(void)
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#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";
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fil_type_bin = "BIN";
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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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{
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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;
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//test_ram();
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mainmenu();
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return 0;
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}
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#ifdef USBSETTINGS
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void rotate_usb_sticks()
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{
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int max_jindex = hid_get_joysticks()-1;
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if (max_jindex == 0) // If only one stick connected allow it to be 0 or 1
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{
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max_jindex = 1;
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}
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int i;
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usb_device_t * devices = usb_get_devices();
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for (i=0;i!=USB_NUMDEVICES;++i)
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{
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usb_device_t *dev = devices + i;
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if (dev->bAddress)
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{
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if (dev->class == &usb_hid_class)
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{
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int j=0;
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for (j=0;j!=dev->hid_info.bNumIfaces;++j)
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{
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int type = dev->hid_info.iface[j].device_type;
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if (type == HID_DEVICE_JOYSTICK)
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{
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int jindex = dev->hid_info.iface[j].jindex;
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event_digital_joystick(jindex, 0);
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event_analog_joystick(jindex, 0,0);
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jindex++;
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if (jindex > max_jindex)
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jindex = 0;
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dev->hid_info.iface[j].jindex = jindex;
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}
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}
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}
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}
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}
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}
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void usb_devices(int debugPos)
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{
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usb_device_t *devices = usb_get_devices();
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int nextDebugPos = debugPos;
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int i=0;
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int j=0;
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for (i=0;i!=USB_NUMDEVICES;++i)
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{
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debug_pos = nextDebugPos;
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usb_device_t *dev = devices + i;
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if (dev->bAddress)
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{
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if (dev->class == &usb_hub_class)
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{
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//printf("%x.Hub. %d ports. poll=%d",dev->bAddress,dev->hub_info.bNbrPorts, dev->hub_info.bPollEnable);
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printf("%x.Hub. %d ports",dev->bAddress,dev->hub_info.bNbrPorts);
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}
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else if (dev->class == &usb_hid_class)
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{
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//printf("%x.HID. %d ifaces. poll=%d",dev->bAddress,dev->hid_info.bNumIfaces,dev->hid_info.bPollEnable);
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printf("%x.HID",dev->bAddress);
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int adjPos = 0;
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for (j=0;j!=dev->hid_info.bNumIfaces;++j)
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{
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//usb_device_descriptor_t desc;
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int type = dev->hid_info.iface[j].device_type;
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if (adjPos && (type == HID_DEVICE_MOUSE || type == HID_DEVICE_KEYBOARD || type == HID_DEVICE_JOYSTICK))
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{
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nextDebugPos = nextDebugPos+40;
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debug_pos = nextDebugPos;
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}
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if (type == HID_DEVICE_MOUSE)
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printf(" Mouse");
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else if (type == HID_DEVICE_KEYBOARD)
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printf(" Keyboard");
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else if (type == HID_DEVICE_JOYSTICK)
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{
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printf(" Joystick:%d",dev->hid_info.iface[j].jindex+1);
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}
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else
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continue;
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adjPos = 1;
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/*int rcode = usb_get_dev_descr( dev, 12, &desc );
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if( !rcode ) {
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printf(" V:%02x%02x P:%02x%02x C:%02x",desc.idVendorH,desc.idVendorL,desc.idProductH,desc.idProductL,desc.bDeviceClass);
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}*/
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}
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}
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}
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nextDebugPos = nextDebugPos+40;
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}
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}
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#endif
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char const * get_video_mode(int video_mode)
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{
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static char const * videotxt[] =
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{
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"RGB",
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"SCANDOUBLE",
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"SVIDEO",
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"HDMI",
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"DVI",
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"VGA",
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"COMPOSITE"
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};
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return videotxt[video_mode];
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}
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char const * get_tv_standard(int tv)
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{
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static char const * tvtxt[] =
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{
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"NTSC",
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"PAL"
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};
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return tvtxt[tv];
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}
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void load_settings(int profile)
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{
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struct SimpleDirEntry * entries = dir_entries(ROM_DIR);
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unsigned int settings[2],origSettings[2];
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settings[0] = *zpu_out1;
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settings[1] = *zpu_out6;
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origSettings[0] = settings[0];
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origSettings[1] = settings[1];
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#ifndef NO_FLASH
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if (profile==4)
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{
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#endif
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if (sd_present && SimpleFile_OK == file_open_name_in_dir(entries, "settings", files[6]))
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{
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int read = 0;
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file_read(files[6], &settings[0], 8, &read);
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}
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else
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{
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return;
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}
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#ifndef NO_FLASH
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}
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else
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{
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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
|
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settings[0] &= ~mask;
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settings[0] |= origSettings[0]&mask;
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*zpu_out1 = settings[0];
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*zpu_out6 = settings[1];
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#ifdef PLL_SUPPORT
|
|
if (get_video()>=VIDEO_HDMI && get_video()<VIDEO_COMPOSITE)
|
|
{
|
|
int mode = get_resolution();
|
|
if (get_tv()==TV_NTSC)
|
|
mode = mode+4;
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|
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set_scaler_mode(mode);
|
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}
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else
|
|
{
|
|
if (get_tv()==TV_PAL)
|
|
set_pll(MODE_PAL_ORIG);
|
|
else
|
|
set_pll(MODE_NTSC_ORIG);
|
|
}
|
|
#endif
|
|
}
|
|
|
|
void save_settings(int profile)
|
|
{
|
|
struct SimpleDirEntry * entries = dir_entries(ROM_DIR);
|
|
unsigned int settings[2];
|
|
settings[0] = *zpu_out1;
|
|
settings[1] = *zpu_out6;
|
|
|
|
#ifndef NO_FLASH
|
|
if (profile==4)
|
|
{
|
|
#endif
|
|
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();
|
|
}
|
|
#ifndef NO_FLASH
|
|
}
|
|
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 ");
|
|
readFlash(romstart,size*1024,SCRATCH_MEM); // back up rest of settings
|
|
printf("Erase ");
|
|
eraseFlash(romstart,size*1024); // Clear at last 256kB
|
|
printf("Write ");
|
|
|
|
memcp8(&settings[0],SCRATCH_MEM+(profile<<13),0,8);
|
|
memcp8(os_addr(),SCRATCH_MEM+0x10000+(profile<<14),0,16384);
|
|
memcp8(basic_addr(),SCRATCH_MEM+0x8000+(profile<<13),0,8192);
|
|
|
|
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*/
|
|
printf("Done ");
|
|
wait_us(1000000);
|
|
}
|
|
#endif
|
|
}
|
|
|
|
|