Implemented Custom Goal Framework

2025-10-29 00:08:16 -05:00
parent a9ef09e2d0
commit 2ffcb1c3bd
6 changed files with 339 additions and 203 deletions
--- a/utilities.asm
+++ b/utilities.asm
@@ -520,3 +520,20 @@ AuxPaletteCheck:
        REP #$30
        PLX
 RTS
+
+CountBits:
+; In: A - value to count bits set in
+; Out: A - number of bits set
+; Flexible to use with 8 or 16-bit mode
+        PHX : TAX
+        PHY : PHP
+        SEP #$20
+        LDA.b 1,S : BIT.b #$20 : BNE +
+                PLP : TXA : LDX.w #$000F : LDY.w #$0000
+                BRA ++
+        + PLP : TXA : LDX.b #$07 : LDY.b #$00
+        ++ - LSR : BCC +
+                INY
+        + DEX : BPL -
+        TYA : PLY : PLX
+RTL