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Brought the latest changes over

This commit is contained in:
neauoire 2023-08-01 20:32:42 -07:00
parent b49ded302d
commit 5c2c060aa3
6 changed files with 69 additions and 54 deletions
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2
src/devices/system.c
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@ -125,7 +125,7 @@ system_deo(Uxn *u, Uint8 *d, Uint8 port)
/* Errors */
int
uxn_halt(Uxn *u, Uint8 instr, Uint8 err, Uint16 addr)
emu_halt(Uxn *u, Uint8 instr, Uint8 err, Uint16 addr)
{
Uint8 *d = &u->dev[0];
Uint16 handler = PEEK2(d);

55
src/uxn.c
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@ -11,35 +11,32 @@ THE SOFTWARE IS PROVIDED "AS IS" AND THE AUTHOR DISCLAIMS ALL WARRANTIES
WITH REGARD TO THIS SOFTWARE.
*/
#define T s->dat[s->ptr - 1]
#define N s->dat[s->ptr - 2]
#define L s->dat[s->ptr - 3]
#define H2 PEEK2(s->dat + s->ptr - 3)
#define T2 PEEK2(s->dat + s->ptr - 2)
#define N2 PEEK2(s->dat + s->ptr - 4)
#define L2 PEEK2(s->dat + s->ptr - 6)
/* Registers
[ . ][ . ][ . ][ L ][ N ][ T ] <
[ . ][ . ][ . ][ H2 ][ T ] <
[ L2 ][ N2 ][ T2 ] <
*/
#define HALT(c) { return uxn_halt(u, ins, (c), pc - 1); }
#define SET(mul, add) { if(mul > s->ptr) HALT(1) tmp = (mul & k) + add + s->ptr; if(tmp > 254) HALT(2) s->ptr = tmp; }
#define PUT(o, v) { s->dat[(Uint8)(s->ptr - 1 - (o))] = (v); }
#define PUT2(o, v) { tmp = (v); s->dat[(Uint8)(s->ptr - o - 2)] = tmp >> 8; s->dat[(Uint8)(s->ptr - o - 1)] = tmp; }
#define PUSH(v) { if(s->ptr > 254) HALT(2) s->dat[s->ptr++] = (v); }
#define PUSH2(v) { if(s->ptr > 253) HALT(2) tmp = (v); s->dat[s->ptr] = tmp >> 8; s->dat[s->ptr + 1] = tmp; s->ptr += 2; }
#define DEO(a, b) { u->dev[(a)] = (b); if((deo_mask[(a) >> 4] >> ((a) & 0xf)) & 0x1) uxn_deo(u, (a)); }
#define DEI(a, b) { PUT((a), ((dei_mask[(b) >> 4] >> ((b) & 0xf)) & 0x1) ? uxn_dei(u, (b)) : u->dev[(b)]) }
#define T s->dat[s->ptr - 1]
#define N s->dat[s->ptr - 2]
#define L s->dat[s->ptr - 3]
#define T2 PEEK2(s->dat + s->ptr - 2)
#define H2 PEEK2(s->dat + s->ptr - 3)
#define N2 PEEK2(s->dat + s->ptr - 4)
#define L2 PEEK2(s->dat + s->ptr - 6)
#define HALT(c) { return emu_halt(u, ins, (c), pc - 1); }
#define FLIP { s = ins & 0x40 ? &u->wst : &u->rst; }
#define SET(x, y) { if(x > s->ptr) HALT(1) tmp = (x & k) + y + s->ptr; if(tmp > 254) HALT(2) s->ptr = tmp; }
#define PUT(o, v) { s->dat[(s->ptr - 1 - (o))] = (v); }
#define PUT2(o, v) { tmp = (v); POKE2(s->dat + (s->ptr - o - 2), tmp); }
#define DEO(a, b) { u->dev[(a)] = (b); if((deo_mask[(a) >> 4] >> ((a) & 0xf)) & 0x1) emu_deo(u, (a)); }
#define DEI(a, b) { PUT((a), ((dei_mask[(b) >> 4] >> ((b) & 0xf)) & 0x1) ? emu_dei(u, (b)) : u->dev[(b)]) }
int
uxn_eval(Uxn *u, Uint16 pc)
{
int t, n, l, k, tmp, opc, ins;
int t, n, l, k, tmp, ins, opc;
Uint8 *ram = u->ram;
Stack *s;
if(!pc || u->dev[0x0f]) return 0;
@ -51,13 +48,13 @@ uxn_eval(Uxn *u, Uint16 pc)
switch(opc) {
/* IMM */
case 0x00: /* BRK */ return 1;
case 0xff: /* JCI */ pc += !!s->dat[--s->ptr] * PEEK2(ram + pc) + 2; break;
case 0xff: /* JCI */ if(!s->dat[--s->ptr]) { pc += 2; break; }
case 0xfe: /* JMI */ pc += PEEK2(ram + pc) + 2; break;
case 0xfd: /* JSI */ s = &u->rst; PUSH2(pc + 2) pc += PEEK2(ram + pc) + 2; break;
case 0xfc: /* LIT */ PUSH(ram[pc++]) break;
case 0xfb: /* LIT2 */ PUSH2(PEEK2(ram + pc)) pc += 2; break;
case 0xfa: /* LITr */ PUSH(ram[pc++]) break;
case 0xf9: /* LIT2r */ PUSH2(PEEK2(ram + pc)) pc += 2; break;
case 0xfd: /* JSI */ SET(0, 2) PUT2(0, pc + 2) pc += PEEK2(ram + pc) + 2; break;
case 0xfc: /* LIT */ SET(0, 1) PUT(0, ram[pc++]) break;
case 0xfb: /* LIT2 */ SET(0, 2) PUT2(0, PEEK2(ram + pc)) pc += 2; break;
case 0xfa: /* LITr */ SET(0, 1) PUT(0, ram[pc++]) break;
case 0xf9: /* LIT2r */ SET(0, 2) PUT2(0, PEEK2(ram + pc)) pc += 2; break;
/* ALU */
case 0x01: /* INC */ t=T; SET(1, 0) PUT(0, t + 1) break;
case 0x21: t=T2; SET(2, 0) PUT2(0, t + 1) break;
@ -85,10 +82,10 @@ uxn_eval(Uxn *u, Uint16 pc)
case 0x2c: t=T2; SET(2,-2) pc = t; break;
case 0x0d: /* JCN */ t=T;n=N; SET(2,-2) if(n) pc += (Sint8)t; break;
case 0x2d: t=T2;n=L; SET(3,-3) if(n) pc = t; break;
case 0x0e: /* JSR */ t=T; SET(1,-1) s = &u->rst; PUSH2(pc) pc += (Sint8)t; break;
case 0x2e: t=T2; SET(2,-2) s = &u->rst; PUSH2(pc) pc = t; break;
case 0x0f: /* STH */ t=T; SET(1,-1) s = ins & 0x40 ? &u->wst : &u->rst; PUSH(t) break;
case 0x2f: t=T2; SET(2,-2) s = ins & 0x40 ? &u->wst : &u->rst; PUSH2(t) break;
case 0x0e: /* JSR */ t=T; SET(1,-1) FLIP SET(0,2) PUT2(0, pc) pc += (Sint8)t; break;
case 0x2e: t=T2; SET(2,-2) FLIP SET(0,2) PUT2(0, pc) pc = t; break;
case 0x0f: /* STH */ t=T; SET(1,-1) FLIP SET(0,1) PUT(0, t) break;
case 0x2f: t=T2; SET(2,-2) FLIP SET(0,2) PUT2(0, t) break;
case 0x10: /* LDZ */ t=T; SET(1, 0) PUT(0, ram[t]) break;
case 0x30: t=T; SET(1, 1) PUT2(0, PEEK2(ram + t)) break;
case 0x11: /* STZ */ t=T;n=N; SET(2,-2) ram[t] = n; break;

6
src/uxn.h
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@ -37,9 +37,9 @@ typedef struct Uxn {
/* required functions */
extern Uint8 uxn_dei(Uxn *u, Uint8 addr);
extern void uxn_deo(Uxn *u, Uint8 addr);
extern int uxn_halt(Uxn *u, Uint8 instr, Uint8 err, Uint16 addr);
extern Uint8 emu_dei(Uxn *u, Uint8 addr);
extern void emu_deo(Uxn *u, Uint8 addr);
extern int emu_halt(Uxn *u, Uint8 instr, Uint8 err, Uint16 addr);
extern Uint16 dei_mask[];
extern Uint16 deo_mask[];

4
src/uxn11.c
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@ -48,7 +48,7 @@ clamp(int val, int min, int max)
}
Uint8
uxn_dei(Uxn *u, Uint8 addr)
emu_dei(Uxn *u, Uint8 addr)
{
switch(addr & 0xf0) {
case 0x20: return screen_dei(u, addr);
@ -58,7 +58,7 @@ uxn_dei(Uxn *u, Uint8 addr)
}
void
uxn_deo(Uxn *u, Uint8 addr)
emu_deo(Uxn *u, Uint8 addr)
{
Uint8 p = addr & 0x0f, d = addr & 0xf0;
switch(d) {

48
src/uxnasm.c
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@ -35,12 +35,13 @@ typedef struct {
typedef struct {
Uint8 data[LENGTH];
Uint8 lambda_stack[0x100], lambda_ptr, lambda_count;
char scope[0x40], lambda[0x10];
unsigned int ptr, length;
Uint16 llen, mlen, rlen;
Uint16 label_len, macro_len, refs_len;
Label labels[0x400];
Macro macros[0x100];
Reference refs[0x800];
char scope[0x40];
} Program;
Program p;
@ -87,7 +88,7 @@ static Macro *
findmacro(char *name)
{
int i;
for(i = 0; i < p.mlen; i++)
for(i = 0; i < p.macro_len; i++)
if(scmp(p.macros[i].name, name, 0x40))
return &p.macros[i];
return NULL;
@ -97,7 +98,7 @@ static Label *
findlabel(char *name)
{
int i;
for(i = 0; i < p.llen; i++)
for(i = 0; i < p.label_len; i++)
if(scmp(p.labels[i].name, name, 0x40))
return &p.labels[i];
return NULL;
@ -139,9 +140,9 @@ makemacro(char *name, FILE *f)
return error("Macro name is hex number", name);
if(findopcode(name) || scmp(name, "BRK", 4) || !slen(name))
return error("Macro name is invalid", name);
if(p.mlen == 0x100)
if(p.macro_len == 0x100)
return error("Macros limit exceeded", name);
m = &p.macros[p.mlen++];
m = &p.macros[p.macro_len++];
scpy(name, m->name, 0x40);
while(fscanf(f, "%63s", word) == 1) {
if(word[0] == '{') continue;
@ -165,9 +166,9 @@ makelabel(char *name)
return error("Label name is hex number", name);
if(findopcode(name) || scmp(name, "BRK", 4) || !slen(name))
return error("Label name is invalid", name);
if(p.llen == 0x400)
if(p.label_len == 0x400)
return error("Labels limit exceeded", name);
l = &p.labels[p.llen++];
l = &p.labels[p.label_len++];
l->addr = p.ptr;
l->refs = 0;
scpy(name, l->name, 0x40);
@ -179,9 +180,9 @@ makereference(char *scope, char *label, char rune, Uint16 addr)
{
char subw[0x40], parent[0x40];
Reference *r;
if(p.rlen >= 0x800)
if(p.refs_len >= 0x800)
return error("References limit exceeded", label);
r = &p.refs[p.rlen++];
r = &p.refs[p.refs_len++];
if(label[0] == '&') {
if(!sublabel(subw, scope, label + 1))
return error("Invalid sublabel", label);
@ -200,6 +201,15 @@ makereference(char *scope, char *label, char rune, Uint16 addr)
return 1;
}
static char *
makelambda(int id)
{
scpy("lambda", p.lambda, 0x07);
p.lambda[6] = '0' + (id >> 0x4);
p.lambda[7] = '0' + (id & 0xf);
return p.lambda;
}
static int
writebyte(Uint8 b)
{
@ -351,6 +361,14 @@ parse(char *w, FILE *f)
while((c = w[++i]))
if(!writebyte(c)) return 0;
break;
case '{': /* lambda start */
p.lambda_stack[p.lambda_ptr++] = p.lambda_count;
makereference(p.scope, makelambda(p.lambda_count++), ' ', p.ptr + 1);
return writebyte(0x60) && writeshort(0xffff, 0);
case '}': /* lambda end */
if(!makelabel(makelambda(p.lambda_stack[--p.lambda_ptr])))
return error("Invalid label", w);
return writebyte(0x6f);
case '[':
case ']':
if(slen(w) == 1) break; /* else fallthrough */
@ -384,7 +402,7 @@ resolve(void)
Label *l;
int i;
Uint16 a;
for(i = 0; i < p.rlen; i++) {
for(i = 0; i < p.refs_len; i++) {
Reference *r = &p.refs[i];
switch(r->rune) {
case '_':
@ -443,7 +461,7 @@ static void
review(char *filename)
{
int i;
for(i = 0; i < p.llen; i++)
for(i = 0; i < p.label_len; i++)
if(p.labels[i].name[0] >= 'A' && p.labels[i].name[0] <= 'Z')
continue; /* Ignore capitalized labels(devices) */
else if(!p.labels[i].refs)
@ -453,8 +471,8 @@ review(char *filename)
filename,
p.length - TRIM,
(p.length - TRIM) / 652.80,
p.llen,
p.mlen);
p.label_len,
p.macro_len);
}
static void
@ -467,7 +485,7 @@ writesym(char *filename)
return;
fp = fopen(scat(scpy(filename, symdst, slen(filename) + 1), ".sym"), "w");
if(fp != NULL) {
for(i = 0; i < p.llen; i++) {
for(i = 0; i < p.label_len; i++) {
Uint8 hb = p.labels[i].addr >> 8, lb = p.labels[i].addr & 0xff;
fwrite(&hb, 1, 1, fp);
fwrite(&lb, 1, 1, fp);

4
src/uxncli.c
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@ -21,7 +21,7 @@ Uint16 deo_mask[] = {0xc028, 0x0300, 0xc028, 0x8000, 0x8000, 0x8000, 0x8000, 0x0
Uint16 dei_mask[] = {0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x07ff, 0x0000, 0x0000, 0x0000};
Uint8
uxn_dei(Uxn *u, Uint8 addr)
emu_dei(Uxn *u, Uint8 addr)
{
switch(addr & 0xf0) {
case 0xc0: return datetime_dei(u, addr);
@ -30,7 +30,7 @@ uxn_dei(Uxn *u, Uint8 addr)
}
void
uxn_deo(Uxn *u, Uint8 addr)
emu_deo(Uxn *u, Uint8 addr)
{
Uint8 p = addr & 0x0f, d = addr & 0xf0;
switch(d) {