SpritesABC update (#122)

tiberiusbrown · Jan 2, 2025 · d4cb70b · d4cb70b
1 parent a041b79
commit d4cb70b
Show file tree

Hide file tree

Showing 2 changed files with 326 additions and 333 deletions.
diff --git a/bench/cycles/sprites_cycles/SpritesABC.cpp b/bench/cycles/sprites_cycles/SpritesABC.cpp
@@ -11,26 +11,24 @@ static void SpritesABC::draw(
             push  r11
             push  r12
             push  r14
-            push  r15
-            push  r16
     
             cbi   %[fxport], %[fxbit]
             ldi   r30, 3
             out   %[spdr], r30
+            push  r15
+            push  r16
             movw  r10, r14
             mov   r12, r16
             movw  r14, r18
             mov   r16, r20
+            ldi   r30, 2
             add   r14, r30
             adc   r15, r1
             adc   r16, r1
             lds   r0, %[page]+0
             add   r19, r0
             lds   r0, %[page]+1
             adc   r20, r0
-            ldi   r30, 2
-            rjmp  .+0
-            rjmp  .+0
             out   %[spdr], r20
             rcall L%=_delay_17
             out   %[spdr], r19
@@ -91,27 +89,25 @@ static void SpritesABC::drawSized(
             push r4
             push r5
             push r6
-            push r8
-            push r9
             
             ; w * (h >> 3)
             mov  r0, r18
             lsr  r0
             lsr  r0
             lsr  r0
             mul  r0, r20
-            movw r8, r0
+            movw r30, r0
             
             ; t = frame * w * (h >> 3)
-            mul  r8, r10
+            mul  r30, r10
             movw r4, r0
-            mul  r9, r10
+            mul  r31, r10
             add  r5, r0
             adc  r6, r1
-            mul  r8, r15
+            mul  r30, r15
             add  r5, r0
             adc  r6, r1
-            mul  r9, r15
+            mul  r31, r15
             add  r6, r0
             clr  r1
             
@@ -128,8 +124,6 @@ static void SpritesABC::drawSized(
             adc  r16, r6
         1:
             
-            pop  r9
-            pop  r8
             pop  r6
             pop  r5
             pop  r4