c16.cfg

defs16.inc

@@ -0,0 +1,7 @@
+;.include "defs.inc"
+
+KEYD   = $0527  ; start of keyboard buffer for C64 screen editor
+NDX    = $EF    ; keyboard buffer count for C64 screen editor
+COLOR  = $053B  ; current foreground color
+XMAX   = $053F  ; Maximum Keyboard Buffer Size
+

tools/Makefile

@@ -34,6 +34,11 @@ kmon.128: kmon.128.o
 kmon.128.o: kmon.s
 	$(AS) $(ASFLAGS) -t c128 -o kmon.128.o kmon.s
 
+kmon.16: kmon.16.o
+	$(CC) $(LDFLAGS) -t c16 -C c16.cfg -o kmon.16 kmon.16.o
+kmon.16.o: kmon.s
+	$(AS) $(ASFLAGS) -t c16 -o kmon.16.o kmon.s
+
 pip: pip.o
 	$(CC) $(LDFLAGS) -t c64 -C c64.cfg -u __EXEHDR__ -o pip pip.o
 pip.o: pip.s

tools/c16.cfg

@@ -0,0 +1,40 @@
+SYMBOLS {
+    __LOADADDR__:  type = import;
+    __EXEHDR__:    type = import;
+    __STACKSIZE__: type = weak, value = $0400; # 1k stack
+}
+MEMORY {
+    ZP:       file = "", define = yes, start = $0002, size = $001A;
+    LOADADDR: file = %O,               start = $0FFF, size = $0002;
+    HEADER:   file = %O,               start = $1001, size = $000C;
+    TBUFFR:   file = "", start = $333,  size = 191;
+    MAIN:     file = %O,               start = $100D, size = $2FF3 - __STACKSIZE__;
+}
+SEGMENTS {
+    ZEROPAGE: load = ZP,       type = zp;
+    LOADADDR: load = LOADADDR, type = ro;
+    EXEHDR:   load = HEADER,   type = ro;
+    STARTUP:  load = MAIN,     type = ro,  optional = yes;
+    LOWCODE:  load = MAIN,     type = ro,  optional = yes;
+    ONCE:     load = MAIN,     type = ro,  optional = yes;
+    CODE:     load = MAIN,     type = ro;
+    RODATA:   load = MAIN,     type = ro;
+    DATA:     load = MAIN,     type = rw;
+    INIT:     load = MAIN,     type = bss, optional = yes;
+    BSS:      load = MAIN,     type = bss, define   = yes;
+}
+FEATURES {
+    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__;
+}

tools/kmon.s

@@ -4,9 +4,13 @@
 .ifdef __C128__
 .include "defs128.inc"
 .else
+.ifdef __C16__
+.include "defs16.inc"
+.else
 .include "defs64.inc"
 .forceimport __EXEHDR__
 .endif
+.endif
 .include "macros.inc"
 
 .import __TBUFFR_SIZE__, __TBUFFR_LOAD__, __TBUFFR_RUN__