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-rw-r--r--source/config.c5
-rw-r--r--source/gui.c142
-rw-r--r--source/keyboard.c37
-rw-r--r--source/main.c50
-rw-r--r--source/tapes.c15
-rw-r--r--source/z80.c65
-rw-r--r--source/zx81.c40
7 files changed, 344 insertions, 10 deletions
diff --git a/source/config.c b/source/config.c
index 433b5d6..55141ba 100644
--- a/source/config.c
+++ b/source/config.c
@@ -35,6 +35,7 @@ const char *conf_entry[DS81_NUM_CONFIG_ITEMS]=
"sticky_shift",
"average_touchscreen",
"static_ram_at_0x2000",
+ "load_default_snapshot"
};
@@ -44,6 +45,7 @@ int DS81_Config[DS81_NUM_CONFIG_ITEMS]=
{
TRUE,
FALSE,
+ FALSE,
FALSE
};
@@ -128,6 +130,9 @@ const char *ConfigDesc(DS81_ConfigItem item)
case DS81_STATIC_RAM_AT_0x2000:
return "RAM AT 8192";
+ case DS81_LOAD_DEFAULT_SNAPSHOT:
+ return "LOAD DEFAULT SNAPSHOT";
+
default:
return "UNKNOWN";
}
diff --git a/source/gui.c b/source/gui.c
index ed30706..0400197 100644
--- a/source/gui.c
+++ b/source/gui.c
@@ -28,6 +28,8 @@
#include <sys/dir.h>
#include "framebuffer.h"
+#include "zx81.h"
+#include "keyboard.h"
#include "config.h"
@@ -712,3 +714,143 @@ int GUI_FileSelect(char pwd[], char selected_file[], const char *filter)
return ret;
}
+
+
+int GUI_InputName(char name[], int maxlen)
+{
+ struct
+ {
+ SoftKey key;
+ int ascii;
+ } keymap[] =
+ {
+ {SK_1, '1'},
+ {SK_2, '2'},
+ {SK_3, '3'},
+ {SK_4, '4'},
+ {SK_5, '5'},
+ {SK_6, '6'},
+ {SK_7, '7'},
+ {SK_8, '8'},
+ {SK_9, '9'},
+ {SK_0, '0'},
+ {SK_A, 'A'},
+ {SK_B, 'B'},
+ {SK_C, 'C'},
+ {SK_D, 'D'},
+ {SK_E, 'E'},
+ {SK_F, 'F'},
+ {SK_G, 'G'},
+ {SK_H, 'H'},
+ {SK_I, 'I'},
+ {SK_J, 'J'},
+ {SK_K, 'K'},
+ {SK_L, 'L'},
+ {SK_M, 'M'},
+ {SK_N, 'N'},
+ {SK_O, 'O'},
+ {SK_P, 'P'},
+ {SK_Q, 'Q'},
+ {SK_R, 'R'},
+ {SK_S, 'S'},
+ {SK_T, 'T'},
+ {SK_U, 'U'},
+ {SK_V, 'V'},
+ {SK_W, 'W'},
+ {SK_X, 'X'},
+ {SK_Y, 'Y'},
+ {SK_Z, 'Z'},
+ {0, 0}
+ };
+
+ SoftKeyEvent ev;
+ char text[1024];
+ int done = FALSE;
+ int accept = FALSE;
+ int update = TRUE;
+
+ SK_DisplayKeyboard();
+ ZX81SuspendDisplay();
+
+ name[0] = 0;
+
+ while(!done)
+ {
+ if (update)
+ {
+ sprintf(text, "enter the snapshot name:\n"
+ "\"%s%%l%%\""
+ "\n\n\npress enter to accept.\n"
+ "press period to backspace.\n"
+ "press space/break to cancel\n",
+ name);
+
+ ZX81DisplayString(text);
+
+ update = FALSE;
+ }
+
+ while(SK_GetBareEvent(&ev))
+ {
+ if (!ev.pressed)
+ {
+ size_t l;
+ int f;
+ int ascii;
+
+ l = strlen(name);
+
+ switch(ev.key)
+ {
+ case SK_PERIOD:
+ if (l)
+ {
+ name[--l] = 0;
+ update = TRUE;
+ }
+ break;
+
+ case SK_SPACE:
+ done = TRUE;
+ accept = FALSE;
+ break;
+
+ case SK_NEWLINE:
+ done = TRUE;
+ accept = TRUE;
+ break;
+
+ default:
+ if (l < maxlen)
+ {
+ f = 0;
+ ascii = 0;
+
+ while(!ascii && keymap[f].ascii)
+ {
+ if (ev.key == keymap[f].key)
+ {
+ ascii = keymap[f].ascii;
+ }
+
+ f++;
+ }
+
+ if (ascii)
+ {
+ name[l++] = ascii;
+ name[l] = 0;
+ update = TRUE;
+ }
+ }
+ break;
+ }
+ }
+ }
+
+ swiWaitForVBlank();
+ }
+
+ return accept;
+}
+
diff --git a/source/keyboard.c b/source/keyboard.c
index d2e7aa7..6483b1c 100644
--- a/source/keyboard.c
+++ b/source/keyboard.c
@@ -26,6 +26,7 @@
#include "framebuffer.h"
#include "touchwrap.h"
#include "keyb_bin.h"
+#include "stream.h"
/* ---------------------------------------- STATIC DATA
*/
@@ -409,3 +410,39 @@ const char *SK_KeyName(SoftKey k)
}
+void SK_SaveSnapshot(FILE *fp)
+{
+ STRPUT(fp, pad_left_key);
+ STRPUT(fp, pad_right_key);
+ STRPUT(fp, pad_up_key);
+ STRPUT(fp, pad_down_key);
+ STRPUT(fp, pad_A_key);
+ STRPUT(fp, pad_B_key);
+ STRPUT(fp, pad_X_key);
+ STRPUT(fp, pad_Y_key);
+ STRPUT(fp, pad_R_key);
+ STRPUT(fp, pad_L_key);
+ STRPUT(fp, pad_start_key);
+ STRPUT(fp, pad_select_key);
+ STRPUT(fp, key_state);
+}
+
+
+void SK_LoadSnapshot(FILE *fp)
+{
+ STRGET(fp, pad_left_key);
+ STRGET(fp, pad_right_key);
+ STRGET(fp, pad_up_key);
+ STRGET(fp, pad_down_key);
+ STRGET(fp, pad_A_key);
+ STRGET(fp, pad_B_key);
+ STRGET(fp, pad_X_key);
+ STRGET(fp, pad_Y_key);
+ STRGET(fp, pad_R_key);
+ STRGET(fp, pad_L_key);
+ STRGET(fp, pad_start_key);
+ STRGET(fp, pad_select_key);
+ STRGET(fp, key_state);
+}
+
+
diff --git a/source/main.c b/source/main.c
index 5bef185..c196608 100644
--- a/source/main.c
+++ b/source/main.c
@@ -35,10 +35,13 @@
#include "config.h"
#include "textmode.h"
#include "monitor.h"
+#include "snapshot.h"
#include "splashimg_bin.h"
#include "rom_font_bin.h"
+#include "ds81_debug.h"
+
#ifndef DS81_VERSION
#define DS81_VERSION "DEV " __TIME__ "/" __DATE__
#endif
@@ -53,6 +56,12 @@ static const char *main_menu[]=
"Configure",
"Map Joypad to Keys",
"Machine Code Monitor",
+#ifndef DS81_DISABLE_FAT
+ "Save Memory Snapshot",
+ "Load Memory Snapshot",
+ "Save Joypad Mappings",
+ "Load Joypad Mappings",
+#endif
"Cancel",
NULL
};
@@ -64,6 +73,12 @@ typedef enum
MenuConfigure,
MenuMapJoypad,
MenuMonitor,
+#ifndef DS81_DISABLE_FAT
+ MenuSaveSnapshot,
+ MenuLoadSnapshot,
+ MenuSaveMappings,
+ MenuLoadMappings
+#endif
} MenuOpt;
/* ---------------------------------------- IRQ FUNCS
@@ -83,8 +98,9 @@ static void Splash(void)
" "
"Welcome to DS81, a ZX81 emulator for the Ninetendo DS. "
"You can safely ignore this message. I was just bored for half an "
- "hour. "
- "Thanks to Slay Radio for coding fuel."
+ "hour. And no retro item is complete without a side-scroller... "
+ "Thanks to Slay Radio, the Genki Rockets and the High Voltage SID "
+ "Collection for coding fuel."
};
static const char *text[]=
@@ -144,6 +160,7 @@ static void Splash(void)
if (res)
{
ZX81EnableFileSystem(TRUE);
+ SNAP_Enable(TRUE);
FB_Centre("Found a FAT device.",y,COL_WHITE,COL_TRANSPARENT);
y += 8;
@@ -167,6 +184,7 @@ static void Splash(void)
else
{
ZX81EnableFileSystem(FALSE);
+ SNAP_Enable(FALSE);
FB_Centre("Sorry, but you don't have a",y,COL_WHITE,COL_TRANSPARENT);
y += 8;
@@ -374,10 +392,20 @@ int main(int argc, char *argv[])
SK_SetSticky(SK_SHIFT,DS81_Config[DS81_STICKY_SHIFT]);
+ if (DS81_Config[DS81_LOAD_DEFAULT_SNAPSHOT])
+ {
+ SNAP_Load(z80, "AUTO");
+ }
+
while(1)
{
+ static unsigned cycle;
+
SoftKeyEvent ev;
+ DS81_DEBUG_STATUS("PC = %4.4x I = %u", z80->PC, cycle);
+ cycle++;
+
Z80Exec(z80);
while(SK_GetEvent(&ev))
@@ -412,6 +440,24 @@ int main(int argc, char *argv[])
case MenuMonitor:
MachineCodeMonitor(z80);
break;
+
+#ifndef DS81_DISABLE_FAT
+ case MenuSaveSnapshot:
+ SNAP_Save(z80);
+ break;
+
+ case MenuLoadSnapshot:
+ SNAP_Load(z80, NULL);
+ break;
+
+ case MenuSaveMappings:
+ // TODO
+ break;
+
+ case MenuLoadMappings:
+ // TODO
+ break;
+#endif
}
SK_DisplayKeyboard();
diff --git a/source/tapes.c b/source/tapes.c
index 26bbd24..2220778 100644
--- a/source/tapes.c
+++ b/source/tapes.c
@@ -36,13 +36,15 @@
#include "mazogs_bin.h"
#include "mazogs_inlay_bin.h"
+#include "ds81_debug.h"
+
/* ---------------------------------------- STATIC DATA
*/
typedef struct
{
const u8 *tape;
- const u32 *tape_len;
+ const u8 *tape_end;
sImage img;
const void *source_pcx;
SoftKey *keys;
@@ -105,7 +107,7 @@ static Tape tapes[NO_TAPES]=
{
{
maze_bin,
- &maze_bin_size,
+ maze_bin_end,
{0},
maze_inlay_bin,
maze_keys,
@@ -123,7 +125,7 @@ static Tape tapes[NO_TAPES]=
},
{
mazogs_bin,
- &mazogs_bin_size,
+ mazogs_bin_end,
{0},
mazogs_inlay_bin,
mazogs_keys,
@@ -141,7 +143,7 @@ static Tape tapes[NO_TAPES]=
},
{
cpatrol_bin,
- &cpatrol_bin_size,
+ cpatrol_bin_end,
{0},
cpatrol_inlay_bin,
cpatrol_keys,
@@ -162,7 +164,7 @@ static Tape tapes[NO_TAPES]=
},
{
sabotage_bin,
- &sabotage_bin_size,
+ sabotage_bin_end,
{0},
sabotage_inlay_bin,
sabotage_keys,
@@ -260,7 +262,8 @@ void SelectTape(void)
int f;
done=TRUE;
- ZX81SetTape(tapes[current].tape,*tapes[current].tape_len);
+ ZX81SetTape(tapes[current].tape,
+ tapes[current].tape_end - tapes[current].tape);
for(f=0;tapes[current].keys[f]!=NUM_SOFT_KEYS;f+=2)
{
diff --git a/source/z80.c b/source/z80.c
index 36c5793..d4205c5 100644
--- a/source/z80.c
+++ b/source/z80.c
@@ -31,6 +31,8 @@
#include "z80.h"
#include "z80_private.h"
+#include "stream.h"
+
static const char ident[]="$Id$";
static const char ident_z80_header[]=Z80_H;
static const char ident_z80_private_header[]=Z80_PRIVATE_H;
@@ -328,4 +330,67 @@ const char *Z80Disassemble(Z80 *cpu, Z80Word *pc)
#endif
}
+
+void Z80SaveSnapshot(Z80 *cpu, FILE *fp)
+{
+ STRPUT(fp, cpu->PC);
+ STRPUT(fp, cpu->AF);
+ STRPUT(fp, cpu->BC);
+ STRPUT(fp, cpu->DE);
+ STRPUT(fp, cpu->HL);
+ STRPUT(fp, cpu->AF_);
+ STRPUT(fp, cpu->BC_);
+ STRPUT(fp, cpu->DE_);
+ STRPUT(fp, cpu->HL_);
+ STRPUT(fp, cpu->IX);
+ STRPUT(fp, cpu->IY);
+ STRPUT(fp, cpu->SP);
+ STRPUT(fp, cpu->IFF1);
+ STRPUT(fp, cpu->IFF2);
+ STRPUT(fp, cpu->IM);
+ STRPUT(fp, cpu->I);
+ STRPUT(fp, cpu->R);
+ STRPUT(fp, cpu->R);
+
+ STRPUT(fp, cpu->priv->cycle);
+ STRPUT(fp, cpu->priv->halt);
+ STRPUT(fp, cpu->priv->shift);
+ STRPUT(fp, cpu->priv->raise);
+ STRPUT(fp, cpu->priv->devbyte);
+ STRPUT(fp, cpu->priv->nmi);
+ STRPUT(fp, cpu->priv->callback);
+ STRPUT(fp, cpu->priv->last_cb);
+}
+
+void Z80LoadSnapshot(Z80 *cpu, FILE *fp)
+{
+ STRGET(fp, cpu->PC);
+ STRGET(fp, cpu->AF);
+ STRGET(fp, cpu->BC);
+ STRGET(fp, cpu->DE);
+ STRGET(fp, cpu->HL);
+ STRGET(fp, cpu->AF_);
+ STRGET(fp, cpu->BC_);
+ STRGET(fp, cpu->DE_);
+ STRGET(fp, cpu->HL_);
+ STRGET(fp, cpu->IX);
+ STRGET(fp, cpu->IY);
+ STRGET(fp, cpu->SP);
+ STRGET(fp, cpu->IFF1);
+ STRGET(fp, cpu->IFF2);
+ STRGET(fp, cpu->IM);
+ STRGET(fp, cpu->I);
+ STRGET(fp, cpu->R);
+ STRGET(fp, cpu->R);
+
+ STRGET(fp, cpu->priv->cycle);
+ STRGET(fp, cpu->priv->halt);
+ STRGET(fp, cpu->priv->shift);
+ STRGET(fp, cpu->priv->raise);
+ STRGET(fp, cpu->priv->devbyte);
+ STRGET(fp, cpu->priv->nmi);
+ STRGET(fp, cpu->priv->callback);
+ STRGET(fp, cpu->priv->last_cb);
+}
+
/* END OF FILE */
diff --git a/source/zx81.c b/source/zx81.c
index c0af981..a8620c3 100644
--- a/source/zx81.c
+++ b/source/zx81.c
@@ -31,10 +31,14 @@
#include "zx81.h"
#include "gui.h"
+#include "stream.h"
+
#include "config.h"
#include "zx81_bin.h"
+#include "ds81_debug.h"
+
#ifndef TRUE
#define TRUE 1
#endif
@@ -77,6 +81,9 @@ static int hires=FALSE;
static int hires_dfile;
static int last_I;
+static unsigned prev_lk1;
+static unsigned prev_lk2;
+
#define SCR_W 256
#define SCR_H 192
#define TXT_W 32
@@ -313,7 +320,7 @@ static FILE *OpenTapeFile(Z80Word addr, int *cancelled)
if (!(fp = fopen(fn,"rb")))
{
- char full_fn[FILENAME_MAX+11] = "/ZX81SNAP/";
+ char full_fn[FILENAME_MAX] = DEFAULT_SNAPDIR;
strcat(full_fn,fn);
fp = fopen(full_fn,"rb");
@@ -603,7 +610,6 @@ static void FindHiresDFILE(void)
*/
static void ZX81HouseKeeping(Z80 *z80)
{
- static unsigned prev_lk1,prev_lk2;
unsigned row;
unsigned lastk1;
unsigned lastk2;
@@ -1073,4 +1079,34 @@ void ZX81Reconfigure(void)
}
+void ZX81SaveSnapshot(FILE *fp)
+{
+ STRPUT(fp, mem);
+ STRPUT(fp, matrix);
+ STRPUT(fp, waitkey);
+ STRPUT(fp, started);
+ STRPUT(fp, RAMBOT);
+ STRPUT(fp, RAMTOP);
+ STRPUT(fp, prev_lk1);
+ STRPUT(fp, prev_lk2);
+}
+
+
+void ZX81LoadSnapshot(FILE *fp)
+{
+ STRGET(fp, mem);
+ STRGET(fp, matrix);
+ STRGET(fp, waitkey);
+ STRGET(fp, started);
+ STRGET(fp, RAMBOT);
+ STRGET(fp, RAMTOP);
+ STRGET(fp, prev_lk1);
+ STRGET(fp, prev_lk2);
+
+ /* Reset last_I to force hi/lo res detection
+ */
+ last_I = 0;
+}
+
+
/* END OF FILE */
generated by cgit v1.2.3 (git 2.25.1) at 2024-09-19 23:59:41 +0000