Super NES Programming/Initialization Tutorial/header
Jump to navigation Jump to search
This header is almost entirely written by Bazz. Use it in your own code!
;==LoRom== ; We'll get to HiRom some other time. .MEMORYMAP ; Begin describing the system architecture. SLOTSIZE $8000 ; The slot is $8000 bytes in size. More details on slots later. DEFAULTSLOT 0 SLOT 0 $8000 ; Defines Slot 0's starting address. .ENDME ; End MemoryMap definition .ROMBANKSIZE $8000 ; Every ROM bank is 32 KBytes in size .ROMBANKS 8 ; 2 Mbits - Tell WLA we want to use 8 ROM Banks .SNESHEADER ID "SNES" ; 1-4 letter string, just leave it as "SNES" NAME "SNES Tile Demo " ; Program Title - can't be over 21 bytes, ; "123456789012345678901" ; use spaces for unused bytes of the name. SLOWROM LOROM CARTRIDGETYPE $00 ; $00 = ROM only, see WLA documentation for others ROMSIZE $08 ; $08 = 2 Mbits, see WLA doc for more.. SRAMSIZE $00 ; No SRAM see WLA doc for more.. COUNTRY $01 ; $01 = U.S. $00 = Japan $02 = Australia, Europe, Oceania and Asia $03 = Sweden $04 = Finland $05 = Denmark $06 = France $07 = Holland $08 = Spain $09 = Germany, Austria and Switzerland $0A = Italy $0B = Hong Kong and China $0C = Indonesia $0D = Korea LICENSEECODE $00 ; Just use $00 VERSION $00 ; $00 = 1.00, $01 = 1.01, etc. .ENDSNES .SNESNATIVEVECTOR ; Define Native Mode interrupt vector table COP EmptyHandler BRK EmptyHandler ABORT EmptyHandler NMI VBlank IRQ EmptyHandler .ENDNATIVEVECTOR .SNESEMUVECTOR ; Define Emulation Mode interrupt vector table COP EmptyHandler ABORT EmptyHandler NMI EmptyHandler RESET Start ; where execution starts IRQBRK EmptyHandler .ENDEMUVECTOR .BANK 0 SLOT 0 ; Defines the ROM bank and the slot it is inserted in memory. .ORG 0 ; .ORG 0 is really $8000, because the slot starts at $8000 .SECTION "EmptyVectors" SEMIFREE EmptyHandler: rti .ENDS .EMPTYFILL $00 ; fill unused areas with $00, opcode for BRK. ; BRK will crash the snes if executed.