Merge pull request #269 from jbrandwood/squarebracket

[cc65] / cfg / pce.cfg

diff --git a/cfg/pce.cfg b/cfg/pce.cfg
index 276f3b3b671596d0480467e1f75257b17a7f0d66..9128eb727fa793544b4fe8fe1f2a9cfef00fe832 100644 (file)
--- a/cfg/pce.cfg
+++ b/cfg/pce.cfg
@@ -1,68 +1,46 @@
-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;
+# linker config to produce simple NEC PC-Engine cartridge (.pce)
 
+SYMBOLS {
+        __STACKSIZE__: type = weak, value = $0300; # 3 pages stack
 }
-SEGMENTS {
-    #HEADER: load = HEADER, type = wprot;
 
-    #aSTARTUP: load = ROM0, type = wprot, define = yes;
-    STARTUP: load = ROM0, type = wprot, define = yes;
-
-       CODE: load = ROM, type = wprot, define = yes;
-    RODATA: load = ROM, type = wprot, 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;
+MEMORY {
+        # FIXME: is this correct? the first 3? bytes cant be used?
+        ZP: start = $03, size = $fd, type = rw, define = yes;
 
+        # reset-bank and hardware vectors
+        ROM0: start = $e000, size = $1ff6, file = %O ,fill = yes, define = yes;
+        ROMV: start = $fff6, size = $a, file = %O,fill = yes;
 
-    ZEROPAGE: load = ZP, type = zp, define = yes;
+        # first RAM page (also contains stack and zeropage)
+        RAM: start = $2200, size = $1e00, define = yes;
+}
 
+SEGMENTS {
+        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 = RAM, type = bss, define = yes;
+        VECTORS: load = ROMV, type = rw, define = yes;
+        ZEROPAGE: load = ZP, type = zp, define = yes;
+        EXTZP: load = ZP, type = zp, define = yes, optional = yes;
+        APPZP: load = ZP, type = zp, define = yes, optional = yes;
 }
+
 FEATURES {
-    CONDES: segment = STARTUP,
-           type=constructor,
-           label=__CONSTRUCTOR_TABLE__,
-           count=__CONSTRUCTOR_COUNT__;
-    CONDES: segment = STARTUP,
-           type=destructor,
-           label=__DESTRUCTOR_TABLE__,
-           count=__DESTRUCTOR_COUNT__;
-}
-SYMBOLS {
-    __STACKSIZE__ = $0300;     # 3 pages stack
+    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__;
 }