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emul: implement AT-XY

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VI, here we come!
This commit is contained in:
Virgil Dupras 2020-05-23 20:15:28 -04:00
parent 05ca95e759
commit 02e6979a46
3 changed files with 18 additions and 0 deletions
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BIN
emul/forth.bin
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16
emul/forth.c
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@ -17,6 +17,8 @@
// read 1024 bytes from the DATA port.
#define BLK_PORT 0x03
#define BLKDATA_PORT 0x04
#define SETX_PORT 0x05
#define SETY_PORT 0x06
static FILE *fp;
static int retcode = 0;
@ -64,6 +66,18 @@ static void iowr_ret(uint8_t val)
retcode = val;
}
static void iowr_setx(uint8_t val)
{
int y, x; getyx(w, y, x);
wmove(w, y, val);
}
static void iowr_sety(uint8_t val)
{
int y, x; getyx(w, y, x);
wmove(w, val, x);
}
int main(int argc, char *argv[])
{
Machine *m = emul_init();
@ -74,6 +88,8 @@ int main(int argc, char *argv[])
m->iord[STDIO_PORT] = iord_stdio;
m->iowr[STDIO_PORT] = iowr_stdio;
m->iowr[RET_PORT] = iowr_ret;
m->iowr[SETX_PORT] = iowr_setx;
m->iowr[SETY_PORT] = iowr_sety;
w = NULL;
if (argc == 2) {
fp = fopen(argv[1], "r");

2
emul/xcomp.fs
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@ -22,6 +22,8 @@
BLK( I + C@ 4 PC!
LOOP
;
: COLS 80 ; : LINES 32 ;
: AT-XY 6 PC! ( y ) 5 PC! ( x ) ;
380 LOAD ( xcomp core high )
(entry) _