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more hacking

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This commit is contained in:
mrdudz
2014-11-30 11:20:57 +01:00
parent 4275b82117
commit 1365afa845
7 changed files with 49 additions and 16 deletions
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13
cfg/pce.cfg
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@@ -1,3 +1,6 @@
SYMBOLS {
__STACKSIZE__: type = weak, value = $0300; # 3 pages stack
}
MEMORY { MEMORY {
ZP: start = $00, size = $1A, type = rw, define = yes; ZP: start = $00, size = $1A, type = rw, define = yes;
@@ -37,10 +40,11 @@ SEGMENTS {
#HEADER: load = HEADER, type = wprot; #HEADER: load = HEADER, type = wprot;
#aSTARTUP: load = ROM0, type = wprot, define = yes; #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; INIT: load = ROM0, type = ro, define = yes, optional = yes;
RODATA: load = ROM, type = wprot, define = yes; CODE: load = ROM, type = ro, define = yes;
RODATA: load = ROM, type = ro, define = yes;
DATA: load = ROM0, run= RAM, type = rw, define = yes; DATA: load = ROM0, run= RAM, type = rw, define = yes;
# BSS: load = RAM2, type = bss, define = yes; # BSS: load = RAM2, type = bss, define = yes;
@@ -63,6 +67,3 @@ FEATURES {
label=__DESTRUCTOR_TABLE__, label=__DESTRUCTOR_TABLE__,
count=__DESTRUCTOR_COUNT__; count=__DESTRUCTOR_COUNT__;
} }
SYMBOLS {
__STACKSIZE__ = $0300; # 3 pages stack
}

2
include/conio.h
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@@ -77,6 +77,8 @@
# include <lynx.h> # include <lynx.h>
#elif defined(__NES__) #elif defined(__NES__)
# include <nes.h> # include <nes.h>
#elif defined(__PCE__)
# include <pce.h>
#endif #endif

0
libsrc/pce/pcengine.h → include/pce.h
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20
libsrc/pce/clock.s
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@@ -3,21 +3,21 @@
; ;
; clock_t clock (void); ; clock_t clock (void);
; ;
.include "pcengine.inc"
.export _clock .include "pcengine.inc"
.importzp sreg
.export _clock
.importzp sreg
.proc _clock .proc _clock
ldy #0 ; Byte 3 is always zero ldy #0 ; Byte 3 is always zero
sty sreg+1 sty sreg+1
sty sreg sty sreg
ldx _tickcount+1 ldx _tickcount+1
lda _tickcount lda _tickcount
rts rts
.endproc .endproc

1
libsrc/pce/crt0.s
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@@ -8,6 +8,7 @@
; ;
.export _exit .export _exit
.export __STARTUP__ : absolute = 1 ; Mark as startup
.import initlib, donelib .import initlib, donelib
.import push0, _main, zerobss .import push0, _main, zerobss
.import initheap .import initheap

19
libsrc/pce/gotoxy.s Normal file
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@@ -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

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