diff --git a/cfg/c65-asm.cfg b/cfg/c65-asm.cfg
new file mode 100644
index 000000000..40904ef70
--- /dev/null
+++ b/cfg/c65-asm.cfg
@@ -0,0 +1,20 @@
+FEATURES {
+    STARTADDRESS: default = $2001;
+}
+SYMBOLS {
+    __LOADADDR__: type = import;
+}
+MEMORY {
+    ZP:       file = "", start = $0002,  size = $00FE,      define = yes;
+    LOADADDR: file = %O, start = %S - 2, size = $0002;
+    MAIN:     file = %O, start = %S,     size = $D000 - %S;
+}
+SEGMENTS {
+    ZEROPAGE: load = ZP,       type = zp,  optional = yes;
+    LOADADDR: load = LOADADDR, type = ro;
+    EXEHDR:   load = MAIN,     type = ro,  optional = yes;
+    CODE:     load = MAIN,     type = rw;
+    RODATA:   load = MAIN,     type = ro,  optional = yes;
+    DATA:     load = MAIN,     type = rw,  optional = yes;
+    BSS:      load = MAIN,     type = bss, optional = yes, define = yes;
+}
diff --git a/cfg/mega65-asm.cfg b/cfg/mega65-asm.cfg
new file mode 100644
index 000000000..40904ef70
--- /dev/null
+++ b/cfg/mega65-asm.cfg
@@ -0,0 +1,20 @@
+FEATURES {
+    STARTADDRESS: default = $2001;
+}
+SYMBOLS {
+    __LOADADDR__: type = import;
+}
+MEMORY {
+    ZP:       file = "", start = $0002,  size = $00FE,      define = yes;
+    LOADADDR: file = %O, start = %S - 2, size = $0002;
+    MAIN:     file = %O, start = %S,     size = $D000 - %S;
+}
+SEGMENTS {
+    ZEROPAGE: load = ZP,       type = zp,  optional = yes;
+    LOADADDR: load = LOADADDR, type = ro;
+    EXEHDR:   load = MAIN,     type = ro,  optional = yes;
+    CODE:     load = MAIN,     type = rw;
+    RODATA:   load = MAIN,     type = ro,  optional = yes;
+    DATA:     load = MAIN,     type = rw,  optional = yes;
+    BSS:      load = MAIN,     type = bss, optional = yes, define = yes;
+}