more hacking

cfg/pce.cfg

@@ -1,3 +1,6 @@
+SYMBOLS {
+    __STACKSIZE__: type = weak, value = $0300; # 3 pages stack
+}
 MEMORY {
 
 	ZP:  start = $00, size = $1A, type = rw, define = yes;
@@ -37,10 +40,11 @@ SEGMENTS {
     #HEADER: load = HEADER, type = wprot;
 
     #aSTARTUP: load = ROM0, type = wprot, define = yes;
-    STARTUP: load = ROM0, type = wprot, define = yes;
+    STARTUP: load = ROM0, type = ro, define = yes;
 
-	CODE: load = ROM, type = wprot, define = yes;
-    RODATA: load = ROM, type = wprot, define = yes;
+    INIT:     load = ROM0,            type = ro,  define = yes, optional = yes;
+	CODE: load = ROM, type = ro, define = yes;
+    RODATA: load = ROM, type = ro, define = yes;
 
 	DATA: load = ROM0, run= RAM, type = rw, define = yes;
 #	BSS: load = RAM2, type = bss, define = yes;
@@ -63,6 +67,3 @@ FEATURES {
 	    label=__DESTRUCTOR_TABLE__,
 	    count=__DESTRUCTOR_COUNT__;
 }
-SYMBOLS {
-    __STACKSIZE__ = $0300;	# 3 pages stack
-}

include/conio.h

@@ -77,6 +77,8 @@
 #  include <lynx.h>
 #elif defined(__NES__)
 #  include <nes.h>
+#elif defined(__PCE__)
+#  include <pce.h>
 #endif
 
 

libsrc/pce/clock.s

@@ -3,21 +3,21 @@
 ;
 ; clock_t clock (void);
 ;
-          
-		.include "pcengine.inc"
 
-      	.export	       	_clock
- 		.importzp	sreg
+        .include "pcengine.inc"
+
+        .export  	_clock
+        .importzp       sreg
  
 .proc	_clock
 
-		ldy	#0  	    	; Byte 3 is always zero
-       	sty sreg+1
-       	sty sreg
+        ldy #0  	    	; Byte 3 is always zero
+        sty sreg+1
+        sty sreg
 
-		ldx _tickcount+1
-		lda _tickcount
-       	rts
+        ldx _tickcount+1
+        lda _tickcount
+        rts
 
 .endproc
 

libsrc/pce/crt0.s

@@ -8,6 +8,7 @@
 ;
 
 	.export		_exit
+        .export         __STARTUP__ : absolute = 1      ; Mark as startup
 	.import		initlib, donelib
 	.import	    push0, _main, zerobss
 	.import     initheap

libsrc/pce/gotoxy.s

@@ -0,0 +1,19 @@
+;
+; Ullrich von Bassewitz, 06.08.1998
+;
+; void gotoxy (unsigned char x, unsigned char y);
+;
+
+	.export		_gotoxy
+	.import		popa, plot
+
+	.include "pcengine.inc"
+
+_gotoxy:
+
+	sta	CURS_Y		; Set Y
+	jsr popa		; Get X
+	sta	CURS_X		; Set X
+	jmp	plot		; Set the cursor position
+
+

testcode/lib/conio.c

@@ -0,0 +1,10 @@
+
+#include <conio.h>
+
+void main(void)
+{
+    clrscr();
+//    cprintf("hello world");
+    cputs("hello world");
+    for(;;);
+}