From a1089ccd1cfc3b5a288c4c0e4932a953d513cb13 Mon Sep 17 00:00:00 2001
From: hugova <hugova@kth.se>
Date: Thu, 10 Jul 2025 16:46:54 +0200
Subject: [PATCH] Do some sneaky code reductions in circle draw

---
 wip-hugo/routines/circle/circle.s | 10 +++++-----
 1 file changed, 5 insertions(+), 5 deletions(-)

diff --git a/wip-hugo/routines/circle/circle.s b/wip-hugo/routines/circle/circle.s
index e8cf1f2..5f93092 100644
--- a/wip-hugo/routines/circle/circle.s
+++ b/wip-hugo/routines/circle/circle.s
@@ -220,10 +220,11 @@ qcb_x_overflow:
         INC byte_to_paint_qcb
         Sub_16 btp_mem_pos_qcb, btp_mem_pos_qcb + 1, #$08, #$00,!
         Sub_16 btp_mem_pos_qbb, btp_mem_pos_qbb + 1, #$08, #$00,!
+        CLC
 qcb_x_end:
 
         ;;t1 += y
-        CLC
+        ;; C =0 becuse CLC above or branching logic
         LDA t1
         ADC Y_math
         STA t1
@@ -234,17 +235,16 @@ qcb_x_end:
         ;; if t2 < 0 then skip to endif
         ;; we can skipp CMP #$00 because SBC above do the same
         BPL if
-        JMP (jmp_location_pointer_two)
+        JMP (jmp_location_pointer_two) ; jump to endif
 if:
 change_x:
         DEC X_math
-        LDA t2
         STA t1    ; t1 = t2
 qaa_x:
         ASL byte_to_paint
         BCC qaa_x_end
 qaa_x_overflow:
-        Sub_16 btp_mem_pos, btp_mem_pos + 1, #$08, #$00, ! ;+8
+        Sub_16 btp_mem_pos_qaa, btp_mem_pos_qaa + 1, #$08, #$00, ! ;+8
         Sub_16 btp_mem_pos_qda, btp_mem_pos_qda + 1, #$08, #$00, ! ;+8
         ;; Restores byte to paint
         INC byte_to_paint
@@ -275,7 +275,7 @@ qbb_y:
 qbb_y_overflow:
 
         Add_16 btp_mem_pos_qbb, btp_mem_pos_qbb + 1, #$3f, #$01, ! ;+320
-        Add_16 btp_mem_pos_qab, btp_mem_pos_qab + 1, #$40, #$01, !;+320
+        Add_16 btp_mem_pos_qab, btp_mem_pos_qab + 1, #$40, #$01, ! ;+320
         LDA #$00
         STA Y_qbb
 qbb_y_end: