diff --git b/Makefile a/Makefile new file mode 100644 index 0000000..fe69654 --- /dev/null +++ a/Makefile @@ -0,0 +1,15 @@ +TARGETS = floppy.img boot.bin + + +boot.bin: boot.asm + nasm boot.asm -f bin -o boot.bin + dd if=boot.bin of=floppy.img bs=512 + +floppy.img: + dd if=/dev/zero of=floppy.img bs=512 count=2880 + +clean: + rm -rf $(TARGETS) + +all: $(TARGETS) + diff --git b/bochsout a/bochsout new file mode 100644 index 0000000..6019e6b --- /dev/null +++ a/bochsout @@ -0,0 +1,230 @@ +00000000000i[ ] Bochs x86 Emulator 2.4.6 +00000000000i[ ] Build from CVS snapshot, on February 22, 2011 +00000000000i[ ] Compiled at Jun 8 2013, 05:16:39 +00000000000i[ ] System configuration +00000000000i[ ] processors: 1 (cores=1, HT threads=1) +00000000000i[ ] A20 line support: yes +00000000000i[ ] CPU configuration +00000000000i[ ] level: 6 +00000000000i[ ] SMP support: no +00000000000i[ ] APIC support: yes +00000000000i[ ] FPU support: yes +00000000000i[ ] MMX support: yes +00000000000i[ ] 3dnow! support: no +00000000000i[ ] SEP support: yes +00000000000i[ ] SSE support: sse2 +00000000000i[ ] XSAVE support: no +00000000000i[ ] AES support: no +00000000000i[ ] MOVBE support: no +00000000000i[ ] x86-64 support: yes +00000000000i[ ] 1G paging support: no +00000000000i[ ] VMX support: no +00000000000i[ ] Optimization configuration +00000000000i[ ] RepeatSpeedups support: yes +00000000000i[ ] Trace cache support: yes +00000000000i[ ] Fast function calls: yes +00000000000i[ ] Devices configuration +00000000000i[ ] ACPI support: yes +00000000000i[ ] NE2000 support: yes +00000000000i[ ] PCI support: yes, enabled=yes +00000000000i[ ] SB16 support: yes +00000000000i[ ] USB support: yes +00000000000i[ ] VGA extension support: vbe +00000000000i[MEM0 ] allocated memory at 0xb4188008. after alignment, vector=0xb4189000 +00000000000i[MEM0 ] 32,00MB +00000000000i[MEM0 ] mem block size = 0x00100000, blocks=32 +00000000000i[MEM0 ] rom at 0xfffe0000/131072 ('/usr/share/bochs/BIOS-bochs-latest') +00000000000i[MEM0 ] rom at 0xc0000/41472 ('/usr/share/bochs/VGABIOS-lgpl-latest') +00000000000i[ ] lt_dlhandle is 0xa4bcbd8 +00000000000i[PLGIN] loaded plugin libbx_cmos.so +00000000000i[ ] lt_dlhandle is 0xa4bd1f8 +00000000000i[PLGIN] loaded plugin libbx_dma.so +00000000000i[ ] lt_dlhandle is 0xa4bd830 +00000000000i[PLGIN] loaded plugin libbx_pic.so +00000000000i[ ] lt_dlhandle is 0xa4bdd28 +00000000000i[PLGIN] loaded plugin libbx_pit.so +00000000000i[ ] lt_dlhandle is 0xa4be368 +00000000000i[PLGIN] loaded plugin libbx_vga.so +00000000000i[ ] lt_dlhandle is 0xa4be768 +00000000000i[PLGIN] loaded plugin libbx_hdimage.so +00000000000i[ ] lt_dlhandle is 0xa4becf8 +00000000000i[PLGIN] loaded plugin libbx_floppy.so +00000000000i[ ] lt_dlhandle is 0xa4bf4c8 +00000000000i[PLGIN] loaded plugin libbx_soundmod.so +00000000000i[ ] lt_dlhandle is 0xa4bfa58 +00000000000i[PLGIN] loaded plugin libbx_pci.so +00000000000i[ ] lt_dlhandle is 0xa4c0168 +00000000000i[PLGIN] loaded plugin libbx_pci2isa.so +00000000000i[ ] lt_dlhandle is 0xa4c07c8 +00000000000i[PLGIN] loaded plugin libbx_usb_common.so +00000000000i[ ] lt_dlhandle is 0xa4c0d18 +00000000000i[PLGIN] loaded plugin libbx_unmapped.so +00000000000i[ ] lt_dlhandle is 0xa4c11a8 +00000000000i[PLGIN] loaded plugin libbx_biosdev.so +00000000000i[ ] lt_dlhandle is 0xa4c1778 +00000000000i[PLGIN] loaded plugin libbx_speaker.so +00000000000i[ ] lt_dlhandle is 0xa4c1c60 +00000000000i[PLGIN] loaded plugin libbx_extfpuirq.so +00000000000i[ ] lt_dlhandle is 0xa4c2190 +00000000000i[PLGIN] loaded plugin libbx_gameport.so +00000000000i[ ] lt_dlhandle is 0xa4c2680 +00000000000i[PLGIN] loaded plugin libbx_pci_ide.so +00000000000i[ ] lt_dlhandle is 0xa4c2cc0 +00000000000i[PLGIN] loaded plugin libbx_acpi.so +00000000000i[ ] lt_dlhandle is 0xa4c3300 +00000000000i[PLGIN] loaded plugin libbx_ioapic.so +00000000000i[ ] lt_dlhandle is 0xa4c38c0 +00000000000i[PLGIN] loaded plugin libbx_keyboard.so +00000000000i[ ] lt_dlhandle is 0xa4c3ed0 +00000000000i[PLGIN] loaded plugin libbx_harddrv.so +00000000000i[ ] lt_dlhandle is 0xa4d5b38 +00000000000i[PLGIN] loaded plugin libbx_serial.so +00000000000i[ ] lt_dlhandle is 0xa4d6678 +00000000000i[PLGIN] loaded plugin libbx_parallel.so +00000000000i[CMOS ] Using local time for initial clock +00000000000i[CMOS ] Setting initial clock to: Fri Mar 28 20:48:54 2014 (time0=1396036134) +00000000000i[DMA ] channel 4 used by cascade +00000000000i[DMA ] channel 2 used by Floppy Drive +00000000000i[FDD ] fd0: 'floppy.img' ro=0, h=2,t=80,spt=18 +00000000000i[PCI ] 440FX Host bridge present at device 0, function 0 +00000000000i[PCI ] PIIX3 PCI-to-ISA bridge present at device 1, function 0 +00000000000i[VGA ] interval=50000 +00000000000i[MEM0 ] Register memory access handlers: 0x00000000000a0000 - 0x00000000000bffff +00000000000i[MEM0 ] Register memory access handlers: 0x00000000e0000000 - 0x00000000e0ffffff +00000000000i[VGA ] VBE Bochs Display Extension Enabled +00000000000i[PLGIN] init_dev of 'unmapped' plugin device by virtual method +00000000000i[PLGIN] init_dev of 'biosdev' plugin device by virtual method +00000000000i[PLGIN] init_dev of 'speaker' plugin device by virtual method +00000000000i[SPEAK] Failed to open /dev/console: Resource temporarily unavailable +00000000000i[SPEAK] Deactivating beep on console +00000000000i[PLGIN] init_dev of 'extfpuirq' plugin device by virtual method +00000000000i[PLGIN] init_dev of 'gameport' plugin device by virtual method +00000000000i[PLGIN] init_dev of 'pci_ide' plugin device by virtual method +00000000000i[PCI ] PIIX3 PCI IDE controller present at device 1, function 1 +00000000000i[PLGIN] init_dev of 'acpi' plugin device by virtual method +00000000000i[PCI ] ACPI Controller present at device 1, function 3 +00000000000i[PLGIN] init_dev of 'ioapic' plugin device by virtual method +00000000000i[IOAP ] initializing I/O APIC +00000000000i[MEM0 ] Register memory access handlers: 0x00000000fec00000 - 0x00000000fec00fff +00000000000i[PLGIN] init_dev of 'keyboard' plugin device by virtual method +00000000000i[KBD ] will paste characters every 1000 keyboard ticks +00000000000i[PLGIN] init_dev of 'harddrv' plugin device by virtual method +00000000000i[HD ] Using boot sequence floppy, none, none +00000000000i[HD ] Floppy boot signature check is enabled +00000000000i[PLGIN] init_dev of 'serial' plugin device by virtual method +00000000000i[SER ] com1 at 0x03f8 irq 4 +00000000000i[PLGIN] init_dev of 'parallel' plugin device by virtual method +00000000000i[PAR ] parallel port 1 at 0x0378 irq 7 +00000000000i[PLGIN] register state of 'unmapped' plugin device by virtual method +00000000000i[PLGIN] register state of 'biosdev' plugin device by virtual method +00000000000i[PLGIN] register state of 'speaker' plugin device by virtual method +00000000000i[PLGIN] register state of 'extfpuirq' plugin device by virtual method +00000000000i[PLGIN] register state of 'gameport' plugin device by virtual method +00000000000i[PLGIN] register state of 'pci_ide' plugin device by virtual method +00000000000i[PLGIN] register state of 'acpi' plugin device by virtual method +00000000000i[PLGIN] register state of 'ioapic' plugin device by virtual method +00000000000i[PLGIN] register state of 'keyboard' plugin device by virtual method +00000000000i[PLGIN] register state of 'harddrv' plugin device by virtual method +00000000000i[PLGIN] register state of 'serial' plugin device by virtual method +00000000000i[PLGIN] register state of 'parallel' plugin device by virtual method +00000000000i[SYS ] bx_pc_system_c::Reset(HARDWARE) called +00000000000i[CPU0 ] cpu hardware reset +00000000000i[APIC0] allocate APIC id=0 (MMIO enabled) to 0x00000000fee00000 +00000000000i[CPU0 ] CPUID[0x00000000]: 00000003 756e6547 6c65746e 49656e69 +00000000000i[CPU0 ] CPUID[0x00000001]: 00000f23 00000800 00002000 07cbfbff +00000000000i[CPU0 ] CPUID[0x00000002]: 00410601 00000000 00000000 00000000 +00000000000i[CPU0 ] CPUID[0x00000003]: 00000000 00000000 00000000 00000000 +00000000000i[CPU0 ] CPUID[0x00000004]: 00000000 00000000 00000000 00000000 +00000000000i[CPU0 ] CPUID[0x00000007]: 00000000 00000000 00000000 00000000 +00000000000i[CPU0 ] CPUID[0x80000000]: 80000008 00000000 00000000 00000000 +00000000000i[CPU0 ] CPUID[0x80000001]: 00000000 00000000 00000001 2a100800 +00000000000i[CPU0 ] CPUID[0x80000002]: 20202020 20202020 20202020 6e492020 +00000000000i[CPU0 ] CPUID[0x80000003]: 286c6574 50202952 69746e65 52286d75 +00000000000i[CPU0 ] CPUID[0x80000004]: 20342029 20555043 20202020 00202020 +00000000000i[CPU0 ] CPUID[0x80000006]: 00000000 42004200 02008140 00000000 +00000000000i[CPU0 ] CPUID[0x80000007]: 00000000 00000000 00000000 00000000 +00000000000i[CPU0 ] CPUID[0x80000008]: 00003028 00000000 00000000 00000000 +00000000000i[PLGIN] reset of 'unmapped' plugin device by virtual method +00000000000i[PLGIN] reset of 'biosdev' plugin device by virtual method +00000000000i[PLGIN] reset of 'speaker' plugin device by virtual method +00000000000i[PLGIN] reset of 'extfpuirq' plugin device by virtual method +00000000000i[PLGIN] reset of 'gameport' plugin device by virtual method +00000000000i[PLGIN] reset of 'pci_ide' plugin device by virtual method +00000000000i[PLGIN] reset of 'acpi' plugin device by virtual method +00000000000i[PLGIN] reset of 'ioapic' plugin device by virtual method +00000000000i[PLGIN] reset of 'keyboard' plugin device by virtual method +00000000000i[PLGIN] reset of 'harddrv' plugin device by virtual method +00000000000i[PLGIN] reset of 'serial' plugin device by virtual method +00000000000i[PLGIN] reset of 'parallel' plugin device by virtual method +00000003305i[BIOS ] $Revision: 1.257 $ $Date: 2011/01/26 09:52:02 $ +00000318042i[KBD ] reset-disable command received +00000447872i[VBIOS] VGABios $Id: vgabios.c,v 1.75 2011/10/15 14:07:21 vruppert Exp $ +00000447943i[VGA ] VBE known Display Interface b0c0 +00000447975i[VGA ] VBE known Display Interface b0c5 +00000450900i[VBIOS] VBE Bios $Id: vbe.c,v 1.64 2011/07/19 18:25:05 vruppert Exp $ +00000771016i[BIOS ] Starting rombios32 +00000771454i[BIOS ] Shutdown flag 0 +00000772038i[BIOS ] ram_size=0x02000000 +00000772459i[BIOS ] ram_end=32MB +00000813018i[BIOS ] Found 1 cpu(s) +00000828866i[BIOS ] bios_table_addr: 0x000fb928 end=0x000fcc00 +00000828960i[PCI ] 440FX PMC write to PAM register 59 (TLB Flush) +00001156657i[PCI ] 440FX PMC write to PAM register 59 (TLB Flush) +00001484585i[P2I ] PCI IRQ routing: PIRQA# set to 0x0b +00001484604i[P2I ] PCI IRQ routing: PIRQB# set to 0x09 +00001484623i[P2I ] PCI IRQ routing: PIRQC# set to 0x0b +00001484642i[P2I ] PCI IRQ routing: PIRQD# set to 0x09 +00001484652i[P2I ] write: ELCR2 = 0x0a +00001485423i[BIOS ] PIIX3/PIIX4 init: elcr=00 0a +00001493095i[BIOS ] PCI: bus=0 devfn=0x00: vendor_id=0x8086 device_id=0x1237 class=0x0600 +00001495370i[BIOS ] PCI: bus=0 devfn=0x08: vendor_id=0x8086 device_id=0x7000 class=0x0601 +00001497484i[BIOS ] PCI: bus=0 devfn=0x09: vendor_id=0x8086 device_id=0x7010 class=0x0101 +00001497708i[PIDE ] new BM-DMA address: 0xc000 +00001498323i[BIOS ] region 4: 0x0000c000 +00001500350i[BIOS ] PCI: bus=0 devfn=0x0b: vendor_id=0x8086 device_id=0x7113 class=0x0680 +00001500579i[ACPI ] new irq line = 11 +00001500591i[ACPI ] new irq line = 9 +00001500616i[ACPI ] new PM base address: 0xb000 +00001500630i[ACPI ] new SM base address: 0xb100 +00001500658i[PCI ] setting SMRAM control register to 0x4a +00001664751i[CPU0 ] Enter to System Management Mode +00001664761i[CPU0 ] RSM: Resuming from System Management Mode +00001828782i[PCI ] setting SMRAM control register to 0x0a +00001837532i[BIOS ] MP table addr=0x000fba00 MPC table addr=0x000fb930 size=0xd0 +00001839346i[BIOS ] SMBIOS table addr=0x000fba10 +00001842501i[BIOS ] Firmware waking vector 0x1ff00cc +00001847425i[BIOS ] ACPI tables: RSDP addr=0x000fbb30 ACPI DATA addr=0x01ff0000 size=0x1f18 +00001847461i[PCI ] 440FX PMC write to PAM register 59 (TLB Flush) +00001848185i[BIOS ] bios_table_cur_addr: 0x000fbb54 +00014041548i[BIOS ] Booting from 0000:7c00 +00097000000p[SDL ] >>PANIC<< POWER button turned off. +00097000000i[CPU0 ] CPU is in real mode (active) +00097000000i[CPU0 ] CS.d_b = 16 bit +00097000000i[CPU0 ] SS.d_b = 16 bit +00097000000i[CPU0 ] EFER = 0x00000000 +00097000000i[CPU0 ] | RAX=0000000000000000 RBX=0000000000000000 +00097000000i[CPU0 ] | RCX=0000000000090000 RDX=0000000000000000 +00097000000i[CPU0 ] | RSP=000000000000ffd2 RBP=0000000000000000 +00097000000i[CPU0 ] | RSI=00000000000e7c0b RDI=000000000000ffac +00097000000i[CPU0 ] | R8=0000000000000000 R9=0000000000000000 +00097000000i[CPU0 ] | R10=0000000000000000 R11=0000000000000000 +00097000000i[CPU0 ] | R12=0000000000000000 R13=0000000000000000 +00097000000i[CPU0 ] | R14=0000000000000000 R15=0000000000000000 +00097000000i[CPU0 ] | IOPL=0 id vip vif ac vm rf nt of df if tf sf ZF af PF cf +00097000000i[CPU0 ] | SEG selector base limit G D +00097000000i[CPU0 ] | SEG sltr(index|ti|rpl) base limit G D +00097000000i[CPU0 ] | CS:0000( 0004| 0| 0) 00000000 0000ffff 0 0 +00097000000i[CPU0 ] | DS:0000( 0005| 0| 0) 00000000 0000ffff 0 0 +00097000000i[CPU0 ] | SS:0000( 0005| 0| 0) 00000000 0000ffff 0 0 +00097000000i[CPU0 ] | ES:0000( 0005| 0| 0) 00000000 0000ffff 0 0 +00097000000i[CPU0 ] | FS:0000( 0005| 0| 0) 00000000 0000ffff 0 0 +00097000000i[CPU0 ] | GS:0000( 0005| 0| 0) 00000000 0000ffff 0 0 +00097000000i[CPU0 ] | MSR_FS_BASE:0000000000000000 +00097000000i[CPU0 ] | MSR_GS_BASE:0000000000000000 +00097000000i[CPU0 ] | RIP=0000000000007c1d (0000000000007c1d) +00097000000i[CPU0 ] | CR0=0x60000010 CR2=0x0000000000000000 +00097000000i[CPU0 ] | CR3=0x00000000 CR4=0x00000000 +00097000000i[CPU0 ] 0x0000000000007c1d>> jmp .-2 (0x00007c1d) : EBFE +00097000000i[CMOS ] Last time is 1396036158 (Fri Mar 28 20:49:18 2014) +00097000000i[ ] restoring default signal behavior +00097000000i[CTRL ] quit_sim called with exit code 1 diff --git b/bochsrc.txt a/bochsrc.txt new file mode 100644 index 0000000..dfe1bfd --- /dev/null +++ a/bochsrc.txt @@ -0,0 +1,8 @@ +megs: 32 +#romimage: file=/usr/local/bochs/1.4.1/BIOS-bochs-latest, address=0xf0000 +#vgaromimage: /usr/local/bochs/1.4.1/VGABIOS-elpin-2.40 +floppya: 1_44=floppy.img, status=inserted +boot: a +log: bochsout +mouse: enabled=0 +display_library: sdl diff --git b/boot.asm a/boot.asm new file mode 100644 index 0000000..e34a0d2 --- /dev/null +++ a/boot.asm @@ -0,0 +1,100 @@ +;BLACK 0x0 +;BLUE 0x1 +;GREEN 0x2 +;CYAN 0x3 +;RED 0x4 +;MAGENTA 0x5 +;BROWN 0x6 +;GREY 0x7 +;DARK_GREY 0x8 +;LIGHT_BLUE 0x9 +;LIGHT_GREEN 0xA +;LIGHT_CYAN 0xB +;LIGHT_RED 0xC +;LIGHT_MAGENTA 0xD +;LIGHT_BROWN 0xE +;WHITE 0xF + +[BITS 16] +[org 0x7C00] + +JMP short Start + +str: db 'THE GAME ',0x00 + + + +Start: + XOR ax, ax + MOV ds, ax + CALL clear_screen + PUSH 2 ; num + PUSH 2 ; offset + ;CALL print_sector ; (offset, num) + ;ADD esp, 12 + for_start_0: + MOV si,str + CALL print_string + ;JMP for_start_0 + JMP $ + +clear_screen: + MOV al, 02h ; Setting the graphical mode 80x25(text) + MOV ah, 00h ; Code of the function of changing video mode + INT 10h ; Call interruption + RETN + +print_string: ; Expects null terminated message in si + ;MOV bl,0x00 + for_print_string_0: + MOV al,[si] + OR al,al + JZ .end + INC si + CALL print_char + ;INCL bl + JMP for_print_string_0 + .end: + RETN + +print_sector: + PUSH ebp + MOV ebp, esp + PUSH ax + PUSH bx + PUSH cx + PUSH dx + MOV al, [12 + ebp] + MOV cl, [8 + ebp] + MOV ah, 2 + MOV ch, 0 + MOV dh, 0 + INT 0x13 + POP dx + POP cx + POP bx + POP ax + MOV esp, ebp + POP ebp + RETN + +print_char: + PUSH ebp + MOV ebp, esp + PUSH ax + PUSH bx + MOV ah,0x0E ; Specifies that we want to write a character to the screen + MOV bl,0x02 ; Specifies output text color. Not required, but useful to know + MOV bh,0x00 ; Page number. Leave this alone. + INT 0x10 ; Signal video interrupt to BIOS + POP bx + POP ax + MOV esp,ebp + POP ebp + RETN + +TIMES 510 - ($ - $$) db 0 +DW 0xAA55 + + + diff --git b/boot.bin a/boot.bin new file mode 100644 index 0000000..2f838b6 --- /dev/null +++ a/boot.bin diff --git b/floppy.img a/floppy.img new file mode 100644 index 0000000..2f838b6 --- /dev/null +++ a/floppy.img