message: Use simpler expression in .asm output
  For assemblers that simpler expression parsers.
diff: @@ -73,25 +73,25 @@ start:
  ldx #$00
  loop:
  - lda ${label}+2+0*$100,x
  - sta $0400+0*$100,x
  - lda ${label}+2+25*40+0*$100,x
  - sta $d800+0*$100,x
  -
  - lda ${label}+2+1*$100,x
  - sta $0400+1*$100,x
  - lda ${label}+2+25*40+1*$100,x
  - sta $d800+1*$100,x
  -
  - lda ${label}+2+2*$100,x
  - sta $0400+2*$100,x
  - lda ${label}+2+25*40+2*$100,x
  - sta $d800+2*$100,x
  -
  - lda ${label}+2+$2e8,x
  - sta $0400+$2e8,x
  - lda ${label}+2+25*40+$2e8,x
  - sta $d800+$2e8,x
  + lda ${label}+2,x
  + sta $0400,x
  + lda ${label}+$3ea,x
  + sta $d800,x
  +
  + lda ${label}+$102,x
  + sta $0500,x
  + lda ${label}+$4ea,x
  + sta $d900,x
  +
  + lda ${label}+$202,x
  + sta $0600,x
  + lda ${label}+$5ea,x
  + sta $da00,x
  +
  + lda ${label}+$2ea,x
  + sta $06e8,x
  + lda ${label}+$6d2,x
  + sta $dae8,x
  inx
  bne loop
  