From db9496a84ffcf2a73ea81ab985aed710b43679d2 Mon Sep 17 00:00:00 2001
From: "B. Watson" <urchlay@slackware.uk>
Date: Mon, 24 Oct 2022 14:52:44 -0400
Subject: Version 0.0.4, run with CRITIC set

---
 dla.s | 21 ++++++++++-----------
 1 file changed, 10 insertions(+), 11 deletions(-)

diff --git a/dla.s b/dla.s
index c7d1df4..3c2f84f 100644
--- a/dla.s
+++ b/dla.s
@@ -47,7 +47,7 @@
  .include "io.s" ; printchrx and getchrx
 msg:
  .byte "Diffusion Limited Aggregate",$9b
- .byte "Urchlay's ASM version 0.0.3",$9b,$9b
+ .byte "Urchlay's ASM version 0.0.4",$9b,$9b
  .byte "How many particles [",.sprintf("%d", DEFAULTPART),"]? ",$0
 init:
  ; set default particles (if user just hits return)
@@ -130,14 +130,13 @@ usedefault:
  xex_org loadaddr
 main: ;;; start of main()
  jsr initscreen
- ; this stuff isn't working, commented out for now:
  ; wait for shadow regs to get updated...
- ;lda RTCLOK+2
-;wl:
- ;cmp RTCLOK+2
- ;beq wl
- ;lda #1 ; ...turn off shadow reg updates (tiny speed boost)
- ;sta CRITIC
+ lda RTCLOK+2
+wl:
+ cmp RTCLOK+2
+ beq wl
+ lda #1 ; ...turn off shadow reg updates (tiny speed boost)
+ sta CRITIC
  lda #0
  sta particles
  sta particles+1
@@ -310,7 +309,7 @@ plotsetup:
  ;adc screenptr+1
  ;sta pixptr+1
 
- ; now, use a table, which makes this run ~3.5x as fast!
+ ; now, use a table, which makes this run ~2x as fast!
  ldx cursor_y
  lda lineaddrs_l,x
  sta pixptr
@@ -431,8 +430,8 @@ checkbounds:
  jsr unplot
  ldx #DMA_ON
 dontplot:
- stx SDMCTL ; nope, shadow updates are off...
- ;stx DMACTL
+ ;stx SDMCTL ; nope, shadow updates are off...
+ stx DMACTL
  jsr check_neighbors
  bne stick
  beq drunkwalk
-- 
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