Replaced builtin linker configs with ordinary .cfg files.

The benefits are: - Independency of ld65 build from perl - More transparent behaviour
2013-04-09 23:09:46 +02:00
parent 4757642a12
commit 37c492b544
48 changed files with 52 additions and 424 deletions
--- a/cfg/nes.cfg
+++ b/cfg/nes.cfg
@@ -0,0 +1,62 @@
+SYMBOLS {
+    __STACKSIZE__: type = weak, value = $0300; # 3 pages stack
+}
+MEMORY {
+    ZP:     file = "", start = $0002, size = $001A, type = rw, define = yes;
+
+    # INES Cartridge Header
+    HEADER: file = %O, start = $0000, size = $0010, fill = yes;
+
+    # 2 16K ROM Banks
+    # - startup
+    # - code
+    # - rodata
+    # - data (load)
+    ROM0:   file = %O, start = $8000, size = $7FF4, fill = yes, define = yes;
+
+    # Hardware Vectors at End of 2nd 8K ROM
+    ROMV:   file = %O, start = $FFF6, size = $000C, fill = yes;
+
+    # 1 8k CHR Bank
+    ROM2:   file = %O, start = $0000, size = $2000, fill = 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:   file = "", start = $0500, size = __STACKSIZE__, define = yes;
+
+    # additional 8K SRAM Bank
+    # - data (run)
+    # - bss
+    # - heap
+    RAM:    file = "", start = $6000, size = $2000, define = yes;
+}
+SEGMENTS {
+    HEADER:   load = HEADER,          type = ro;
+    STARTUP:  load = ROM0,            type = ro,  define = yes;
+    LOWCODE:  load = ROM0,            type = ro,                optional = 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;
+    VECTORS:  load = ROMV,            type = rw;
+    CHARS:    load = ROM2,            type = rw;
+    BSS:      load = RAM,             type = bss, define = yes;
+    ZEROPAGE: load = ZP,              type = zp;
+}
+FEATURES {
+    CONDES: type    = constructor,
+            label   = __CONSTRUCTOR_TABLE__,
+            count   = __CONSTRUCTOR_COUNT__,
+            segment = INIT;
+    CONDES: type    = destructor,
+            label   = __DESTRUCTOR_TABLE__,
+            count   = __DESTRUCTOR_COUNT__,
+            segment = RODATA;
+    CONDES: type    = interruptor,
+            label   = __INTERRUPTOR_TABLE__,
+            count   = __INTERRUPTOR_COUNT__,
+            segment = RODATA,
+            import  = __CALLIRQ__;
+}