commit c6a628e6ae1045d386294d569489da371a154c85
parent 5a77c3e1e31a450696847a7137b62c268dcae2f3
Author: neauoire <aliceffekt@gmail.com>
Date: Thu, 17 Aug 2023 09:25:24 -0700
Pre-process dei/deo masks
Diffstat:
5 files changed, 34 insertions(+), 31 deletions(-)
diff --git a/src/devices/system.c b/src/devices/system.c
@@ -64,15 +64,20 @@ system_inspect(Uxn *u)
}
void
-system_connect(Uint8 device, Uint8 ver, Uint16 dei, Uint16 deo)
+system_connect(Uxn *u, Uint8 device, Uint8 ver, Uint16 dei, Uint16 deo)
{
+ int i, d = (device << 0x4);
+ for(i = 0; i < 0x10; i++) {
+ u->dei_masks[d + i] = (dei >> i) & 0x1;
+ u->deo_masks[d + i] = (deo >> i) & 0x1;
+ }
dev_vers[device] = ver;
dei_mask[device] = dei;
deo_mask[device] = deo;
}
int
-system_version(char *name, char *date)
+system_version(Uxn *u, char *name, char *date)
{
int i;
printf("%s, %s.\n", name, date);
diff --git a/src/devices/system.h b/src/devices/system.h
@@ -17,10 +17,10 @@ WITH REGARD TO THIS SOFTWARE.
extern char *boot_rom;
-void system_connect(Uint8 device, Uint8 ver, Uint16 dei, Uint16 deo);
+void system_connect(Uxn *u, Uint8 device, Uint8 ver, Uint16 dei, Uint16 deo);
void system_reboot(Uxn *u, char *rom, int soft);
void system_inspect(Uxn *u);
-int system_version(char *emulator, char *date);
+int system_version(Uxn *u, char *emulator, char *date);
int system_error(char *msg, const char *err);
int system_init(Uxn *u, Uint8 *ram, char *rom);
diff --git a/src/uxn.h b/src/uxn.h
@@ -11,10 +11,10 @@ WITH REGARD TO THIS SOFTWARE.
/* clang-format off */
-#define POKE2(d, v) { (d)[0] = (v) >> 8; (d)[1] = (v); }
-#define PEEK2(d) ((d)[0] << 8 | (d)[1])
-#define DEO(p, v) { u->dev[p] = v; if((deo_mask[p >> 4] >> (p & 0xf)) & 0x1) emu_deo(u, p); }
-#define DEI(p) ((dei_mask[(p) >> 4] >> ((p) & 0xf)) & 0x1 ? emu_dei(u, (p)) : u->dev[(p)])
+#define POKE2(d, v) { *(d) = (v) >> 8; (d)[1] = (v); }
+#define PEEK2(d) (*(d) << 8 | (d)[1])
+#define DEI(p) (u->dei_masks[p] ? emu_dei(u, (p)) : u->dev[(p)])
+#define DEO(p, v) { u->dev[p] = v; if(u->deo_masks[p]) emu_deo(u, p); }
/* clang-format on */
@@ -27,14 +27,12 @@ typedef signed short Sint16;
typedef unsigned int Uint32;
typedef struct {
- Uint8 dat[255], ptr;
+ Uint8 dat[0x100], ptr;
} Stack;
typedef struct Uxn {
- Uint8 *ram, dev[256];
+ Uint8 *ram, dev[0x100], dei_masks[0x100], deo_masks[0x100];
Stack wst, rst;
- Uint8 (*dei)(struct Uxn *u, Uint8 addr);
- void (*deo)(struct Uxn *u, Uint8 addr);
} Uxn;
/* required functions */
diff --git a/src/uxncli.c b/src/uxncli.c
@@ -66,14 +66,14 @@ main(int argc, char **argv)
if(i == argc)
return system_error("usage", "uxncli [-v] file.rom [args..]");
/* Connect Varvara */
- system_connect(0x0, SYSTEM_VERSION, SYSTEM_DEIMASK, SYSTEM_DEOMASK);
- system_connect(0x1, CONSOLE_VERSION, CONSOLE_DEIMASK, CONSOLE_DEOMASK);
- system_connect(0xa, FILE_VERSION, FILE_DEIMASK, FILE_DEOMASK);
- system_connect(0xb, FILE_VERSION, FILE_DEIMASK, FILE_DEOMASK);
- system_connect(0xc, DATETIME_VERSION, DATETIME_DEIMASK, DATETIME_DEOMASK);
+ system_connect(&u, 0x0, SYSTEM_VERSION, SYSTEM_DEIMASK, SYSTEM_DEOMASK);
+ system_connect(&u, 0x1, CONSOLE_VERSION, CONSOLE_DEIMASK, CONSOLE_DEOMASK);
+ system_connect(&u, 0xa, FILE_VERSION, FILE_DEIMASK, FILE_DEOMASK);
+ system_connect(&u, 0xb, FILE_VERSION, FILE_DEIMASK, FILE_DEOMASK);
+ system_connect(&u, 0xc, DATETIME_VERSION, DATETIME_DEIMASK, DATETIME_DEOMASK);
/* Read flags */
if(argv[i][0] == '-' && argv[i][1] == 'v')
- return system_version("Uxncli - Console Varvara Emulator", "15 Aug 2023");
+ return system_version(&u, "Uxncli - Console Varvara Emulator", "17 Aug 2023");
if(!system_init(&u, (Uint8 *)calloc(0x10000 * RAM_PAGES, sizeof(Uint8)), argv[i++]))
return system_error("Init", "Failed to initialize uxn.");
/* Game Loop */
diff --git a/src/uxnemu.c b/src/uxnemu.c
@@ -502,21 +502,21 @@ main(int argc, char **argv)
if(i == argc)
return system_error("usage", "uxnemu [-v][-2x][-3x] file.rom [args...]");
/* Connect Varvara */
- system_connect(0x0, SYSTEM_VERSION, SYSTEM_DEIMASK, SYSTEM_DEOMASK);
- system_connect(0x1, CONSOLE_VERSION, CONSOLE_DEIMASK, CONSOLE_DEOMASK);
- system_connect(0x2, SCREEN_VERSION, SCREEN_DEIMASK, SCREEN_DEOMASK);
- system_connect(0x3, AUDIO_VERSION, AUDIO_DEIMASK, AUDIO_DEOMASK);
- system_connect(0x4, AUDIO_VERSION, AUDIO_DEIMASK, AUDIO_DEOMASK);
- system_connect(0x5, AUDIO_VERSION, AUDIO_DEIMASK, AUDIO_DEOMASK);
- system_connect(0x6, AUDIO_VERSION, AUDIO_DEIMASK, AUDIO_DEOMASK);
- system_connect(0x8, CONTROL_VERSION, CONTROL_DEIMASK, CONTROL_DEOMASK);
- system_connect(0x9, MOUSE_VERSION, MOUSE_DEIMASK, MOUSE_DEOMASK);
- system_connect(0xa, FILE_VERSION, FILE_DEIMASK, FILE_DEOMASK);
- system_connect(0xb, FILE_VERSION, FILE_DEIMASK, FILE_DEOMASK);
- system_connect(0xc, DATETIME_VERSION, DATETIME_DEIMASK, DATETIME_DEOMASK);
+ system_connect(&u, 0x0, SYSTEM_VERSION, SYSTEM_DEIMASK, SYSTEM_DEOMASK);
+ system_connect(&u, 0x1, CONSOLE_VERSION, CONSOLE_DEIMASK, CONSOLE_DEOMASK);
+ system_connect(&u, 0x2, SCREEN_VERSION, SCREEN_DEIMASK, SCREEN_DEOMASK);
+ system_connect(&u, 0x3, AUDIO_VERSION, AUDIO_DEIMASK, AUDIO_DEOMASK);
+ system_connect(&u, 0x4, AUDIO_VERSION, AUDIO_DEIMASK, AUDIO_DEOMASK);
+ system_connect(&u, 0x5, AUDIO_VERSION, AUDIO_DEIMASK, AUDIO_DEOMASK);
+ system_connect(&u, 0x6, AUDIO_VERSION, AUDIO_DEIMASK, AUDIO_DEOMASK);
+ system_connect(&u, 0x8, CONTROL_VERSION, CONTROL_DEIMASK, CONTROL_DEOMASK);
+ system_connect(&u, 0x9, MOUSE_VERSION, MOUSE_DEIMASK, MOUSE_DEOMASK);
+ system_connect(&u, 0xa, FILE_VERSION, FILE_DEIMASK, FILE_DEOMASK);
+ system_connect(&u, 0xb, FILE_VERSION, FILE_DEIMASK, FILE_DEOMASK);
+ system_connect(&u, 0xc, DATETIME_VERSION, DATETIME_DEIMASK, DATETIME_DEOMASK);
/* Read flags */
if(argv[i][0] == '-' && argv[i][1] == 'v')
- return system_version("Uxnemu - Graphical Varvara Emulator", "15 Aug 2023");
+ return system_version(&u, "Uxnemu - Graphical Varvara Emulator", "17 Aug 2023");
if(strcmp(argv[i], "-2x") == 0 || strcmp(argv[i], "-3x") == 0)
set_zoom(argv[i++][1] - '0', 0);
if(!emu_init())
