+# Linker config. to produce a NEC PC-Engine 8K, 16K, or 32K image (.bin)
SYMBOLS {
- __STACKSIZE__: type = weak, value = $0300; # 3 pages stack
+ __CARTSIZE__: type = weak, value = $2000; # $2000, $4000, or $8000
+ __STACKSIZE__: type = weak, value = $0300; # 3 pages stack
}
MEMORY {
-
- ZP: start = $00, size = $1A, type = rw, define = yes;
-
- # INES Cartridge Header
- #HEADER: start = $0, size = $10, file = %O ,fill = yes;
-
- # 2 16K ROM Banks
- # - startup
- # - code
- # - rodata
- # - data (load)
- # 1 8k CHR Bank
- ROM0: start = $e000, size = $1ff6, file = %O ,fill = yes, define = yes;
- # Hardware Vectors at End of 2nd 8K ROM
- ROMV: start = $fff6, size = $a, file = %O,fill = yes;
-
-# ROM: start = $6000, size = $8000, file = %O, fill = yes,define=yes;
-
-
- # standard 2k SRAM (-zeropage)
- # $0100-$0200 cpu stack
- # $0200-$0500 3 pages for ppu memory write buffer
- # $0500-$0800 3 pages for cc65 parameter stack
- #SRAM: start = $0500, size = $0300, define = yes;
-
- # additional 8K SRAM Bank
- # - data (run)
- # - bss
- # - heap
-# RAM: start = $2200, size = $1000, define = yes;
-# RAM2: start = $3200, size = $0e00, define = yes;
- RAM: start = $2200, size = $1e00, define = yes;
-
+ ZP: file = "", start = $0000, define = yes, size = $0100;
+ # RAM bank
+ MAIN: file = "", start = $2200, define = yes, size = $1E00 - __STACKSIZE__;
+ # ROM banks, before swapping, and after mapping
+ ROM: file = %O, start = $10000 - __CARTSIZE__, size = __CARTSIZE__, fill = yes, fillval = $FF;
}
SEGMENTS {
- #HEADER: load = HEADER, type = wprot;
-
- #aSTARTUP: load = ROM0, type = wprot, define = yes;
- STARTUP: load = ROM0, type = ro, define = yes;
-
- INIT: load = ROM0, type = ro, define = yes, optional = yes;
- CODE: load = ROM0, type = ro, define = yes;
- RODATA: load = ROM0, type = ro, define = yes;
-
- DATA: load = ROM0, run= RAM, type = rw, define = yes;
-# BSS: load = RAM2, type = bss, define = yes;
- BSS: load = RAM, type = bss, define = yes;
-
- VECTORS: load = ROMV, type = rw, define = yes;
- #CHARS: load = ROM2, type = rw;
-
-
- ZEROPAGE: load = ZP, type = zp, define = yes;
-
+ ZEROPAGE: load = ZP, type = zp;
+ EXTZP: load = ZP, type = zp, optional = yes;
+ APPZP: load = ZP, type = zp, optional = yes;
+ DATA: load = ROM, run = MAIN, type = rw, define = yes;
+ INIT: load = MAIN, type = bss, optional = yes;
+ BSS: load = MAIN, type = bss, define = yes;
+ RODATA: load = ROM, type = ro;
+ CODE: load = ROM, type = ro;
+ LOWCODE: load = ROM, type = ro, optional = yes;
+ ONCE: load = ROM, type = ro, optional = yes;
+ STARTUP: load = ROM, type = ro, start = $FFF6 - $0066;
+ VECTORS: load = ROM, type = ro, start = $FFF6;
}
FEATURES {
- CONDES: segment = STARTUP,
- type=constructor,
- label=__CONSTRUCTOR_TABLE__,
- count=__CONSTRUCTOR_COUNT__;
-
- CONDES: segment = STARTUP,
- type=destructor,
- label=__DESTRUCTOR_TABLE__,
- count=__DESTRUCTOR_COUNT__;
+ CONDES: type = constructor,
+ label = __CONSTRUCTOR_TABLE__,
+ count = __CONSTRUCTOR_COUNT__,
+ segment = ONCE;
+ CONDES: type = destructor,
+ label = __DESTRUCTOR_TABLE__,
+ count = __DESTRUCTOR_COUNT__,
+ segment = RODATA;
+ CONDES: type = interruptor,
+ label = __INTERRUPTOR_TABLE__,
+ count = __INTERRUPTOR_COUNT__,
+ segment = RODATA,
+ import = __CALLIRQ__;
}