Version 5.1 released - hotfix to improve config efficiency.

README.md

@@ -23,7 +23,7 @@ Features :
  All popular bank-switching schemes are supported including an extra 16K of RAM at 4000h.
  Pokey support at 4000h, 800h and 450h - change this in Configuration if it's not auto-detected.
  
- The new Banksets scheme is fully supported - this new banking/memory handling is designed
+ The Banksets scheme is fully supported - this new banking/memory handling is designed
  for homebrew authors to provide increased ROM density and improved packing and access of
  graphics data vs code.  This allows for games that would have been difficult or impossible 
  without the scheme. See http://7800.8bitdev.org/index.php/Bankset_Bankswitching for more details.
@@ -31,6 +31,9 @@ Features :
  Add highscore.rom for 7800 High Score saving. This can be in /roms/bios, /data/bios
  or in the same directory as the emulator.  It's worth the effort to track down the highscore.rom file!
  
+ If you want to use a real Atari 7800 BIOS, find yourself the 4K version and place it 
+ into the same directory as mentioned in the paragraph above.
+ 
 Copyright :
 ----------
 A7800DS is Copyright 2021-2025 by Dave Bernazzani (wavemotion-dave).
@@ -108,11 +111,10 @@ Controls :
  that utilize it. This allows all of the DS buttons to map into the game - exactly
  as labeled (D-Pad plus ABXY, Left Shoulder, Right Shoulder and Start, Select).
  
- High Score Saving works if you have highscore.rom (exact name and case) in your
- roms directory where you load your games... also, you MUST press the HSC button
- if you want to snap the Saved Scores out to the flash card. It's not something 
- I want to do as the game runs... so you must do it... the high scores will also
- auto-save if you quit the emulator or select a new game.
+ High Score Saving works if you have highscore.rom (exact name) in your
+ roms directory where you load your games... The .hsc backing file will be written 
+ automatically as the game runs. Only games programmed to use the highscore cart
+ will save scores. 
   
 Configuration :
 ----------
@@ -136,8 +138,6 @@ The following schemes are supported:
 Frame Skipping can be OFF (show all frames), Moderate (Show 3/4 frames) or Agressive (only show 1/2 frames).  The latter is
 only really needed for the DS-Lite/Phat where the faster DSi CPU isn't available.
 
-Don't touch the DMA Cycle Adjustment unless you understand it... and most people don't - sometimes including the developer :)
-
 Press START to save off your configuration - if you made changes you should re-load the game to ensure all settings are applied.
 
 Of Mice, Men and Screen Resolutions :
@@ -172,7 +172,8 @@ this while you are playing - usually when you lose a life you can tap the X butt
 more useable scanlines for actual gameplay. Think of this like you're at the arcade and you have to glance up to see your 
 score when focused on the field of play. It takes a little getting used to but this mechanism really helps map the more complicated
 game graphics onto the small sceren. Of course youc an always scale the screen down to it's totally visible - but there will be
-some loss of scanline information. Experiment and determine what works best for you.
+some loss of scanline information. Experiment and determine what works best for you. Many of the popular games already have 
+the screen set to perfectly pan up/down to bring in the score/status while leaving the playfield as close to 1:1 as possible.
 
 And remember - once you get your screen settings the way you want, be sure to go into the GEAR icon and hit START to save out
 your current configuration (which includes your screen offset/scaling tweaks on a per-game basis).

arm9/source/config.h

@@ -34,9 +34,9 @@
 // ---------------------------
 // Config handling...
 // ---------------------------
-#define CONFIG_VER  0x000A
+#define CONFIG_VER  0x000B
 
-#define MAX_CONFIGS 700
+#define MAX_CONFIGS 640
 
 struct AllConfig_t
 {

arm9/source/emu/Database.h

@@ -43,6 +43,8 @@ typedef struct {
   s16   xScale;
   s16   yScale;
   u8    frameSkip;
+  u8    spare0;
+  u8    spare1;
   u8    hasHeader;
   u8    palette;
   u8    xJiggle;
@@ -53,6 +55,8 @@ typedef struct {
   u8    spare3;
   u8    spare4;
   u8    spare5;
+  u8    spare6;
+  u8    spare7;
 } Database_Entry;
 
 

arm9/source/emu/Sally.c

@@ -978,22 +978,6 @@ uint sally_ExecuteNMI( ) {
   return 7;
 }
 
-// ----------------------------------------------------------------------------
-// Execute IRQ
-// ----------------------------------------------------------------------------
-uint sally_ExecuteIRQ( ) {
-  if(!(sally_p & _fI)) {
-    sally_Push(sally_pc.b.h);
-    sally_Push(sally_pc.b.l);
-    sally_p &= ~_fB;
-    sally_Push(sally_p);
-    sally_p |= _fI;
-    sally_pc.b.l = memory_ram[SALLY_IRQ.L];
-    sally_pc.b.h = memory_ram[SALLY_IRQ.H];
-  }
-  return 7;
-}
-
 extern uint prosystem_cycles;
 
 ITCM_CODE void sally_Execute(unsigned int cycles )  

arm9/source/emu/Sally.h

@@ -46,7 +46,6 @@ extern void sally_Reset( );
 extern uint sally_ExecuteInstruction( );
 extern uint sally_ExecuteRES( );
 extern uint sally_ExecuteNMI( );
-extern uint sally_ExecuteIRQ( );
 extern byte sally_a;
 extern byte sally_x;
 extern byte sally_y;
@@ -55,6 +54,5 @@ extern uint sally_s;
 extern bool wsync_happened;
 
 extern void sally_Execute(unsigned int cycles );
-extern void sally_Execute_Fast(unsigned int cycles );
 
 #endif