nes.cfg

MEMORY {
#RAM Addresses:
    # Zero page
    ZP: start = $00, size = $100, type = rw, define = yes;
	#note, the c compiler uses about 10-20 zp addresses, and it puts them after yours.
	
	OAM1: start = $0200, size = $0100, define = yes;
	#note, sprites stored here in the RAM
	
	RAM: start = $0300, size = $0400, define = yes;
	#note, I located the c stack at 700-7ff, see below

#INES Header:
    HEADER: start = $0, size = $10, file = %O ,fill = yes;


#ROM Addresses:
    PRG: start = $c000, size = $3ffa, file = %O ,fill = yes, define = yes;
    # PRG: start = $8000, size = $7f00, file = %O ,fill = yes, define = yes;


    # Hardware Vectors at end of the ROM
    VECTORS: start = $fffa, size = $6, file = %O, fill = yes;


#1 Bank of 8K CHR ROM
    CHR: start = $0000, size = $2000, file = %O, fill = yes;
}




SEGMENTS {
    HEADER:   load = HEADER,         type = ro;
    STARTUP:  load = PRG,            type = ro,  define = yes;
    LOWCODE:  load = PRG,            type = ro,                optional = yes;
    INIT:     load = PRG,            type = ro,  define = yes, optional = yes;
    CODE:     load = PRG,            type = ro,  define = yes;
    RODATA:   load = PRG,            type = ro,  define = yes;
    DATA:     load = PRG, run = RAM, type = rw,  define = yes;
    VECTORS:  load = VECTORS,        type = rw;
    CHARS:    load = CHR,            type = rw;
    BSS:      load = RAM,            type = bss, define = yes;
    HEAP:     load = RAM,            type = bss, optional = yes;
    ZEROPAGE: load = ZP,             type = zp;
	ONCE:     load = PRG,            type = ro,  define = yes;
	OAM:	  load = OAM1,			 type = bss, define = yes;
}




FEATURES {
    CONDES: segment = INIT,
        type = constructor,
        label = __CONSTRUCTOR_TABLE__,
        count = __CONSTRUCTOR_COUNT__;
    CONDES: segment = RODATA,
        type = destructor,
        label = __DESTRUCTOR_TABLE__,
        count = __DESTRUCTOR_COUNT__;
    CONDES: type = interruptor,
        segment = RODATA,
        label = __INTERRUPTOR_TABLE__,
        count = __INTERRUPTOR_COUNT__;
}




SYMBOLS {
    __STACK_SIZE__: type = weak, value = $0100;      # 1 page stack
	__STACK_START__: type = weak, value = $700;
}