diff options
Diffstat (limited to 'source')
| -rw-r--r-- | source/gui.c | 14 | ||||
| -rw-r--r-- | source/keyboard.c | 87 | ||||
| -rw-r--r-- | source/main.c | 5 | ||||
| -rw-r--r-- | source/snapshot.c | 10 | ||||
| -rw-r--r-- | source/stream.c | 86 | ||||
| -rw-r--r-- | source/z80.c | 106 | ||||
| -rw-r--r-- | source/zx81.c | 106 |
7 files changed, 273 insertions, 141 deletions
diff --git a/source/gui.c b/source/gui.c index 0400197..7d328b7 100644 --- a/source/gui.c +++ b/source/gui.c @@ -215,7 +215,7 @@ int GUI_Menu(const char *opts[]) w=w*8+16; x=SCREEN_WIDTH/2-w/2; - y=SCREEN_HEIGHT/2-h/2; + y=2; while(!done) { @@ -716,7 +716,7 @@ int GUI_FileSelect(char pwd[], char selected_file[], const char *filter) } -int GUI_InputName(char name[], int maxlen) +int GUI_InputName(const char *prompt, const char *ext, char name[], int maxlen) { struct { @@ -778,12 +778,12 @@ int GUI_InputName(char name[], int maxlen) { if (update) { - sprintf(text, "enter the snapshot name:\n" - "\"%s%%l%%\"" + sprintf(text, "%s:\n" + "\"%s%%l%%%s\"" "\n\n\npress enter to accept.\n" "press period to backspace.\n" - "press space/break to cancel\n", - name); + "press space/break to cancel.\n", + prompt, name, ext); ZX81DisplayString(text); @@ -851,6 +851,8 @@ int GUI_InputName(char name[], int maxlen) swiWaitForVBlank(); } + ZX81ResumeDisplay(); + return accept; } diff --git a/source/keyboard.c b/source/keyboard.c index 6483b1c..078bc78 100644 --- a/source/keyboard.c +++ b/source/keyboard.c @@ -278,6 +278,7 @@ void SK_DisplayKeyboard(void) { static sImage img; static int loaded; + int f; if (!loaded) { @@ -286,6 +287,22 @@ void SK_DisplayKeyboard(void) } FB_Blit(&img,0,0,PAL_OFFSET); + + /* Update any on-screen indicators + */ + for(f=SK_1; f<SK_CONFIG; f++) + { + if (key_state[f].state) + { + int x,y; + + x = 3 + (f % 10) * 25; + y = 37 + (f / 10) * 30; + + FB_Box(x, y, 25, 18, key_state[f].new_state ? + selection_on : selection_off); + } + } } @@ -412,37 +429,55 @@ 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); + int f; + + PUT_Long(fp, pad_left_key); + PUT_Long(fp, pad_right_key); + PUT_Long(fp, pad_up_key); + PUT_Long(fp, pad_down_key); + PUT_Long(fp, pad_A_key); + PUT_Long(fp, pad_B_key); + PUT_Long(fp, pad_X_key); + PUT_Long(fp, pad_Y_key); + PUT_Long(fp, pad_R_key); + PUT_Long(fp, pad_L_key); + PUT_Long(fp, pad_start_key); + PUT_Long(fp, pad_select_key); + + for(f = 0; f < NUM_SOFT_KEYS; f++) + { + PUT_Long(fp, key_state[f].state); + PUT_Long(fp, key_state[f].new_state); + PUT_Long(fp, key_state[f].handled); + PUT_Long(fp, key_state[f].is_sticky); + } } 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); + int f; + + pad_left_key = GET_Long(fp); + pad_right_key = GET_Long(fp); + pad_up_key = GET_Long(fp); + pad_down_key = GET_Long(fp); + pad_A_key = GET_Long(fp); + pad_B_key = GET_Long(fp); + pad_X_key = GET_Long(fp); + pad_Y_key = GET_Long(fp); + pad_R_key = GET_Long(fp); + pad_L_key = GET_Long(fp); + pad_start_key = GET_Long(fp); + pad_select_key = GET_Long(fp); + + for(f = 0; f < NUM_SOFT_KEYS; f++) + { + key_state[f].state = GET_Long(fp); + key_state[f].new_state = GET_Long(fp); + key_state[f].handled = GET_Long(fp); + key_state[f].is_sticky = GET_Long(fp); + } } diff --git a/source/main.c b/source/main.c index c196608..674478e 100644 --- a/source/main.c +++ b/source/main.c @@ -399,13 +399,8 @@ int main(int argc, char *argv[]) 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)) diff --git a/source/snapshot.c b/source/snapshot.c index f5a8b9c..14f0e30 100644 --- a/source/snapshot.c +++ b/source/snapshot.c @@ -96,7 +96,7 @@ void SNAP_Save(Z80 *cpu) return; } - if(!GUI_InputName(base, 8) || !base[0]) + if(!GUI_InputName("enter snapshot filename", ".d81", base, 8) || !base[0]) { return; } @@ -121,6 +121,10 @@ void SNAP_Save(Z80 *cpu) ZX81SaveSnapshot(fp); fclose(fp); } + else + { + GUI_Alert(FALSE, "Failed to save snapshot"); + } } void SNAP_Load(Z80 *cpu, const char *optional_name) @@ -162,13 +166,9 @@ void SNAP_Load(Z80 *cpu, const char *optional_name) } else { - DS81_DEBUG("Loading SK snap"); SK_LoadSnapshot(fp); - DS81_DEBUG("Loading Z80 snap"); Z80LoadSnapshot(cpu, fp); - DS81_DEBUG("Loading ZX81 snap"); ZX81LoadSnapshot(fp); - DS81_DEBUG("Snap loaded"); } fclose(fp); diff --git a/source/stream.c b/source/stream.c new file mode 100644 index 0000000..f471d93 --- /dev/null +++ b/source/stream.c @@ -0,0 +1,86 @@ +/* + ds81 - Nintendo DS ZX81 emulator + + Copyright (C) 2006 Ian Cowburn <ianc@noddybox.co.uk> + + This program is free software; you can redistribute it and/or modify + it under the terms of the GNU General Public License as published by + the Free Software Foundation; either version 2 of the License, or + (at your option) any later version. + + This program is distributed in the hope that it will be useful, + but WITHOUT ANY WARRANTY; without even the implied warranty of + MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the + GNU General Public License for more details. + + You should have received a copy of the GNU General Public License + along with this program; if not, write to the Free Software + Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA + + ------------------------------------------------------------------------- + + Provides the routines for streaming. + +*/ +#include "stream.h" + +/* The long functions are a tad convuluted, but I'm in a dash. +*/ + +void PUT_Byte(FILE *fp, unsigned char c) +{ + fputc(c, fp); +} + +void PUT_Long(FILE *fp, long l) +{ + union {long l; unsigned char c[4];} u; + + u.l = l; + + fputc(u.c[0], fp); + fputc(u.c[1], fp); + fputc(u.c[2], fp); + fputc(u.c[3], fp); +} + +void PUT_ULong(FILE *fp, unsigned long l) +{ + union {unsigned long l; unsigned char c[4];} u; + + u.l = l; + + fputc(u.c[0], fp); + fputc(u.c[1], fp); + fputc(u.c[2], fp); + fputc(u.c[3], fp); +} + +unsigned char GET_Byte(FILE *fp) +{ + return (unsigned char)fgetc(fp); +} + +long GET_Long(FILE *fp) +{ + union {long l; unsigned char c[4];} u; + + u.c[0] = (unsigned char)fgetc(fp); + u.c[1] = (unsigned char)fgetc(fp); + u.c[2] = (unsigned char)fgetc(fp); + u.c[3] = (unsigned char)fgetc(fp); + + return u.l; +} + +unsigned long GET_ULong(FILE *fp) +{ + union {unsigned long l; unsigned char c[4];} u; + + u.c[0] = (unsigned char)fgetc(fp); + u.c[1] = (unsigned char)fgetc(fp); + u.c[2] = (unsigned char)fgetc(fp); + u.c[3] = (unsigned char)fgetc(fp); + + return u.l; +} diff --git a/source/z80.c b/source/z80.c index d4205c5..e6cc2f9 100644 --- a/source/z80.c +++ b/source/z80.c @@ -333,64 +333,62 @@ const char *Z80Disassemble(Z80 *cpu, Z80Word *pc) 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); + PUT_ULong(fp, cpu->PC); + PUT_ULong(fp, cpu->AF.w); + PUT_ULong(fp, cpu->BC.w); + PUT_ULong(fp, cpu->DE.w); + PUT_ULong(fp, cpu->HL.w); + PUT_ULong(fp, cpu->AF_); + PUT_ULong(fp, cpu->BC_); + PUT_ULong(fp, cpu->DE_); + PUT_ULong(fp, cpu->HL_); + PUT_ULong(fp, cpu->IX.w); + PUT_ULong(fp, cpu->IY.w); + PUT_ULong(fp, cpu->SP); + PUT_Byte(fp, cpu->IFF1); + PUT_Byte(fp, cpu->IFF2); + PUT_Byte(fp, cpu->IM); + PUT_Byte(fp, cpu->I); + PUT_Byte(fp, cpu->R); + PUT_Byte(fp, cpu->R); + + PUT_ULong(fp, cpu->priv->cycle); + PUT_Long(fp, cpu->priv->halt); + PUT_Byte(fp, cpu->priv->shift); + PUT_Long(fp, cpu->priv->raise); + PUT_Byte(fp, cpu->priv->devbyte); + PUT_Long(fp, cpu->priv->nmi); + PUT_Long(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); + cpu->PC = GET_ULong(fp); + cpu->AF.w = GET_ULong(fp); + cpu->BC.w = GET_ULong(fp); + cpu->DE.w = GET_ULong(fp); + cpu->HL.w = GET_ULong(fp); + cpu->AF_ = GET_ULong(fp); + cpu->BC_ = GET_ULong(fp); + cpu->DE_ = GET_ULong(fp); + cpu->HL_ = GET_ULong(fp); + cpu->IX.w = GET_ULong(fp); + cpu->IY.w = GET_ULong(fp); + cpu->SP = GET_ULong(fp); + cpu->IFF1 = GET_Byte(fp); + cpu->IFF2 = GET_Byte(fp); + cpu->IM = GET_Byte(fp); + cpu->I = GET_Byte(fp); + cpu->R = GET_Byte(fp); + cpu->R = GET_Byte(fp); + + cpu->priv->cycle = GET_ULong(fp); + cpu->priv->halt = GET_Long(fp); + cpu->priv->shift = GET_Byte(fp); + cpu->priv->raise = GET_Long(fp); + cpu->priv->devbyte = GET_Byte(fp); + cpu->priv->nmi = GET_Long(fp); + cpu->priv->last_cb = GET_Long(fp); } /* END OF FILE */ diff --git a/source/zx81.c b/source/zx81.c index a8620c3..00d6015 100644 --- a/source/zx81.c +++ b/source/zx81.c @@ -226,40 +226,28 @@ static void RomPatch(void) static Z80Byte FromASCII(char c) { - switch(c) - { - case '\'': - case '"': - return 11; - - case '(': - return 16; - - case ')': - return 17; + static const char *charset = + /* 0123456789 */ + " _________" + "_\"#$:?()><" + "=+-*/:,.01" + "23456789ab" + "cdefghijkl" + "mnopqrstuv" + "wxyz"; - case '-': - return 22; - - case '*': - return 23; + int f; - case ',': - return 26; + c = tolower(c); - case '.': - return 27; + for(f = 0; charset[f]; f++) + { + if (charset[f] == c) + { + return f; + } } - if (c>='0' && c<='9') - return (c-'0')+28; - - if (c>='a' && c<='z') - return (c-'a')+38; - - if (c>='A' && c<='Z') - return (c-'A')+38; - return 0; } @@ -1028,6 +1016,10 @@ void ZX81SuspendDisplay(void) void ZX81ResumeDisplay(void) { ClearText(); + + /* Reset last_I to force hi/lo res detection + */ + last_I = 0; } @@ -1081,27 +1073,51 @@ 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); + int f; + + for(f=0; f<sizeof mem; f++) + { + PUT_Byte(fp, mem[f]); + } + + for(f=0; f<sizeof matrix; f++) + { + PUT_Byte(fp, matrix[f]); + } + + PUT_Long(fp, waitkey); + PUT_Long(fp, started); + + PUT_ULong(fp, RAMBOT); + PUT_ULong(fp, RAMTOP); + + PUT_ULong(fp, prev_lk1); + PUT_ULong(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); + int f; + + for(f=0; f<sizeof mem; f++) + { + mem[f] = GET_Byte(fp); + } + + for(f=0; f<sizeof matrix; f++) + { + matrix[f] = GET_Byte(fp); + } + + waitkey = GET_Long(fp); + started = GET_Long(fp); + + RAMBOT = GET_ULong(fp); + RAMTOP = GET_ULong(fp); + + prev_lk1 = GET_ULong(fp); + prev_lk2 = GET_ULong(fp); /* Reset last_I to force hi/lo res detection */ |