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Removed access to uxn to devpeek/devpoke

This commit is contained in:
neauoire 2021-04-20 21:21:31 -07:00
parent 6a1bf9215d
commit 02993229ee
4 changed files with 38 additions and 41 deletions
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12
src/debugger.c
View File

@ -38,7 +38,7 @@ printstack(Stack *s)
#pragma mark - Devices
Uint8
console_poke(Uxn *u, Uint8 *m, Uint8 b0, Uint8 b1)
console_poke(Device *d, Uint8 *m, Uint8 b0, Uint8 b1)
{
switch(b0) {
case 0x08: printf("%c", b1); break;
@ -46,17 +46,17 @@ console_poke(Uxn *u, Uint8 *m, Uint8 b0, Uint8 b1)
case 0x0b: printf("0x%04x\n", (m[0x0a] << 8) + b1); break;
}
fflush(stdout);
(void)u;
(void)d;
(void)b0;
return b1;
}
Uint8
file_poke(Uxn *u, Uint8 *m, Uint8 b0, Uint8 b1)
file_poke(Device *d, Uint8 *m, Uint8 b0, Uint8 b1)
{
Uint8 read = b0 == 0xd;
if(read || b0 == 0xf) {
char *name = (char *)&u->ram.dat[mempeek16(m, 0x8)];
char *name = (char *)&d->mem[mempeek16(m, 0x8)];
Uint16 result = 0, length = mempeek16(m, 0xa);
Uint16 offset = mempeek16(m, 0x4);
Uint16 addr = (m[b0 - 1] << 8) | b1;
@ -72,9 +72,9 @@ file_poke(Uxn *u, Uint8 *m, Uint8 b0, Uint8 b1)
}
Uint8
ppnil(Uxn *u, Uint8 *m, Uint8 b0, Uint8 b1)
ppnil(Device *d, Uint8 *m, Uint8 b0, Uint8 b1)
{
(void)u;
(void)d;
(void)m;
(void)b0;
return b1;

44
src/emulator.c
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@ -182,35 +182,35 @@ doctrl(Uxn *u, SDL_Event *event, int z)
#pragma mark - Devices
Uint8
system_poke(Uxn *u, Uint8 *m, Uint8 b0, Uint8 b1)
system_poke(Device *d, Uint8 *m, Uint8 b0, Uint8 b1)
{
putcolors(&ppu, &m[0x8]);
reqdraw = 1;
(void)u;
(void)d;
(void)b0;
return b1;
}
Uint8
console_poke(Uxn *u, Uint8 *m, Uint8 b0, Uint8 b1)
console_poke(Device *d, Uint8 *m, Uint8 b0, Uint8 b1)
{
switch(b0) {
case 0x8: printf("%c", b1); break;
case 0x9: printf("0x%02x\n", b1); break;
case 0xb: printf("0x%04x\n", (m[0xa] << 8) + b1); break;
case 0xd: printf("%s\n", &u->ram.dat[(m[0xc] << 8) + b1]); break;
case 0xd: printf("%s\n", &d->mem[(m[0xc] << 8) + b1]); break;
}
fflush(stdout);
return b1;
}
Uint8
screen_poke(Uxn *u, Uint8 *m, Uint8 b0, Uint8 b1)
screen_poke(Device *d, Uint8 *m, Uint8 b0, Uint8 b1)
{
if(b0 == 0xe) {
Uint16 x = mempeek16(m, 0x8);
Uint16 y = mempeek16(m, 0xa);
Uint8 *addr = &u->ram.dat[mempeek16(m, 0xc)];
Uint8 *addr = &d->mem[mempeek16(m, 0xc)];
Uint8 *layer = b1 >> 4 & 0x1 ? ppu.fg : ppu.bg;
switch(b1 >> 5) {
case 0: putpixel(&ppu, layer, x, y, b1 & 0x3); break;
@ -223,27 +223,32 @@ screen_poke(Uxn *u, Uint8 *m, Uint8 b0, Uint8 b1)
}
Uint8
file_poke(Uxn *u, Uint8 *m, Uint8 b0, Uint8 b1)
file_poke(Device *d, Uint8 *m, Uint8 b0, Uint8 b1)
{
/* TODO: Figure out why fwrite doesn't work with d->mem
Uint8 read = b0 == 0xd;
if(read || b0 == 0xf) {
char *name = (char *)&u->ram.dat[mempeek16(m, 0x8)];
char *name = (char *)&d->mem[mempeek16(m, 0x8)];
Uint16 result = 0, length = mempeek16(m, 0xa);
Uint16 offset = mempeek16(m, 0x4);
Uint16 addr = (m[b0 - 1] << 8) | b1;
FILE *f = fopen(name, read ? "r" : (offset ? "a" : "w"));
if(f) {
if(fseek(f, offset, SEEK_SET) != -1 && (result = read ? fread(&u->ram.dat[addr], 1, length, f) : fwrite(&u->ram.dat[addr], 1, length, f)))
if(fseek(f, offset, SEEK_SET) != -1 && (result = read ? fread(d->mem[addr], 1, length, f) : fwrite(&d->mem[addr], 1, length, f)))
printf("%s %d bytes, at %04x from %s\n", read ? "Loaded" : "Saved", length, addr, name);
fclose(f);
}
mempoke16(m, 0x2, result);
}
*/
(void)d;
(void)m;
(void)b0;
return b1;
}
static Uint8
audio_poke(Uxn *u, Uint8 *m, Uint8 b0, Uint8 b1)
audio_poke(Device *d, Uint8 *m, Uint8 b0, Uint8 b1)
{
if(b0 == 0xa) {
if(b1 >= apu.n_notes) apu.notes = SDL_realloc(apu.notes, (b1 + 1) * sizeof(Note));
@ -261,21 +266,12 @@ audio_poke(Uxn *u, Uint8 *m, Uint8 b0, Uint8 b1)
apu.queue->dat[apu.queue->n++] = (m[0xd] << 8) + b1;
} else if(b0 == 0xf && apu.queue != NULL)
apu.queue->finishes = 1;
(void)u;
(void)d;
return b1;
}
Uint8
midi_poke(Uxn *u, Uint8 *m, Uint8 b0, Uint8 b1)
{
(void)u;
(void)m;
printf("midi - %02x,%02x\n", b0, b1);
return b1;
}
Uint8
datetime_poke(Uxn *u, Uint8 *m, Uint8 b0, Uint8 b1)
datetime_poke(Device *d, Uint8 *m, Uint8 b0, Uint8 b1)
{
time_t seconds = time(NULL);
struct tm *t = localtime(&seconds);
@ -289,15 +285,15 @@ datetime_poke(Uxn *u, Uint8 *m, Uint8 b0, Uint8 b1)
m[0x7] = t->tm_wday;
mempoke16(m, 0x08, t->tm_yday);
m[0xa] = t->tm_isdst;
(void)u;
(void)d;
(void)b0;
return b1;
}
Uint8
ppnil(Uxn *u, Uint8 *m, Uint8 b0, Uint8 b1)
ppnil(Device *d, Uint8 *m, Uint8 b0, Uint8 b1)
{
(void)u;
(void)d;
(void)m;
(void)b0;
return b1;

19
src/uxn.c
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@ -21,15 +21,15 @@ Uint8 pop8(Stack *s) { if (s->ptr == 0) { s->error = 1; return 0; } return s->d
Uint8 peek8(Stack *s, Uint8 a) { if (s->ptr < a + 1) s->error = 1; return s->dat[s->ptr - a - 1]; }
void mempoke8(Uint8 *m, Uint16 a, Uint8 b) { m[a] = b; }
Uint8 mempeek8(Uint8 *m, Uint16 a) { return m[a]; }
void devpoke8(Uxn *u, Uint8 a, Uint8 b) { Device *dev = &u->dev[a >> 4]; dev->dat[a & 0xf] = b; dev->poke(u, dev->dat, a & 0x0f, b); }
Uint8 devpeek8(Uxn *u, Uint8 a) { return u->dev[a >> 4].dat[a & 0xf]; }
void devpoke8(Device *d, Uint8 a, Uint8 b) { d->dat[a & 0xf] = b; d->poke(d, d->dat, a & 0x0f, b); }
Uint8 devpeek8(Device *d, Uint8 a) { return d->dat[a & 0xf]; }
void push16(Stack *s, Uint16 a) { push8(s, a >> 8); push8(s, a); }
Uint16 pop16(Stack *s) { return pop8(s) + (pop8(s) << 8); }
Uint16 peek16(Stack *s, Uint8 a) { return peek8(s, a * 2) + (peek8(s, a * 2 + 1) << 8); }
void mempoke16(Uint8 *m, Uint16 a, Uint16 b) { mempoke8(m, a, b >> 8); mempoke8(m, a + 1, b); }
Uint16 mempeek16(Uint8 *m, Uint16 a) { return (mempeek8(m, a) << 8) + mempeek8(m, a + 1); }
void devpoke16(Uxn *u, Uint8 a, Uint16 b) { devpoke8(u, a, b >> 8); devpoke8(u, a + 1, b); }
Uint16 devpeek16(Uxn *u, Uint16 a) { return (devpeek8(u, a) << 8) + devpeek8(u, a + 1); }
void devpoke16(Device *d, Uint8 a, Uint16 b) { devpoke8(d, a, b >> 8); devpoke8(d, a + 1, b); }
Uint16 devpeek16(Device *d, Uint16 a) { return (devpeek8(d, a) << 8) + devpeek8(d, a + 1); }
/* Stack */
void op_brk(Uxn *u) { u->ram.ptr = 0; }
void op_nop(Uxn *u) { (void)u; }
@ -46,8 +46,8 @@ void op_gth(Uxn *u) { Uint8 a = pop8(u->src), b = pop8(u->src); push8(u->src, b
void op_lth(Uxn *u) { Uint8 a = pop8(u->src), b = pop8(u->src); push8(u->src, b < a); }
void op_gts(Uxn *u) { Uint8 a = pop8(u->src), b = pop8(u->src); push8(u->src, (Sint8)b > (Sint8)a); }
void op_lts(Uxn *u) { Uint8 a = pop8(u->src), b = pop8(u->src); push8(u->src, (Sint8)b < (Sint8)a); }
void op_ior(Uxn *u) { Uint8 a = pop8(u->src); push8(u->src, devpeek8(u, a)); }
void op_iow(Uxn *u) { Uint8 a = pop8(u->src), b = pop8(u->src); devpoke8(u, a, b); }
void op_ior(Uxn *u) { Uint8 a = pop8(u->src); push8(u->src, devpeek8(&u->dev[a >> 4], a)); }
void op_iow(Uxn *u) { Uint8 a = pop8(u->src), b = pop8(u->src); devpoke8(&u->dev[a >> 4], a, b); }
/* Memory */
void op_pek(Uxn *u) { Uint8 a = pop8(u->src); push8(u->src, mempeek8(&u->ram.dat[0], a)); }
void op_pok(Uxn *u) { Uint8 a = pop8(u->src); Uint8 b = pop8(u->src); mempoke8(&u->ram.dat[0], a, b); }
@ -80,8 +80,8 @@ void op_gth16(Uxn *u) { Uint16 a = pop16(u->src), b = pop16(u->src); push8(u->sr
void op_lth16(Uxn *u) { Uint16 a = pop16(u->src), b = pop16(u->src); push8(u->src, b < a); }
void op_gts16(Uxn *u) { Uint16 a = pop16(u->src), b = pop16(u->src); push8(u->src, (Sint16)b > (Sint16)a); }
void op_lts16(Uxn *u) { Uint16 a = pop16(u->src), b = pop16(u->src); push8(u->src, (Sint16)b < (Sint16)a); }
void op_ior16(Uxn *u) { Uint8 a = pop8(u->src); push16(u->src, devpeek16(u, a)); }
void op_iow16(Uxn *u) { Uint8 a = pop8(u->src); Uint16 b = pop16(u->src); devpoke16(u, a, b); }
void op_ior16(Uxn *u) { Uint8 a = pop8(u->src); push16(u->src, devpeek16(&u->dev[a >> 4], a)); }
void op_iow16(Uxn *u) { Uint8 a = pop8(u->src); Uint16 b = pop16(u->src); devpoke16(&u->dev[a >> 4], a, b); }
/* Memory(16-bits) */
void op_pek16(Uxn *u) { Uint16 a = pop16(u->src); push8(u->src, mempeek8(&u->ram.dat[0], a)); }
void op_pok16(Uxn *u) { Uint16 a = pop16(u->src); Uint8 b = pop8(u->src); mempoke8(&u->ram.dat[0], a, b); }
@ -179,10 +179,11 @@ loaduxn(Uxn *u, char *filepath)
}
Device *
portuxn(Uxn *u, Uint8 id, char *name, Uint8 (*pofn)(Uxn *u, Uint8 *devmem, Uint8 b0, Uint8 b1))
portuxn(Uxn *u, Uint8 id, char *name, Uint8 (*pofn)(Device *d, Uint8 *devmem, Uint8 b0, Uint8 b1))
{
Device *d = &u->dev[id];
d->addr = id * 0x10;
d->mem = &u->ram.dat[0];
d->poke = pofn;
printf("Device added #%02x: %s, at 0x%04x \n", id, name, d->addr);
return d;

4
src/uxn.h
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@ -32,7 +32,7 @@ struct Uxn;
typedef struct Device {
Uint8 addr, dat[16], *mem;
Uint8 (*poke)(struct Uxn *u, Uint8 *devmem, Uint8, Uint8);
Uint8 (*poke)(struct Device *d, Uint8 *devmem, Uint8, Uint8);
} Device;
typedef struct Uxn {
@ -47,4 +47,4 @@ int evaluxn(Uxn *u, Uint16 vec);
void mempoke16(Uint8 *m, Uint16 a, Uint16 b);
Uint16 mempeek16(Uint8 *m, Uint16 a);
Device *portuxn(Uxn *u, Uint8 id, char *name, Uint8 (*pofn)(Uxn *, Uint8 *, Uint8, Uint8));
Device *portuxn(Uxn *u, Uint8 id, char *name, Uint8 (*pofn)(Device *, Uint8 *, Uint8, Uint8));