mode9++ example

[Heaven/TQA]

;mode9++
;code by fox/tqa
;check for details
;www.s-direktnet.de/homepages/k_nadj/mode9++.html



org $4000



   lda #<dli

   sta $200

   lda #>dli

   sta $201

   lda #$22

   sta $22f

   lda #<dl

   sta $230

   lda #>dl

   sta $231

   lda #$40

   sta $26f

   lda #$c0

   sta $d40e

   jmp *







dli pha

   sta $d40a

   lda #13

   sta $d405

   lda #3

   sta $d405

   pla

   rti






; 2 blank lines, 1 line of mode



dl  dta $90,$6f

   dta a($f000)


; 29 times $8f,$2f => 58 lines



   dta $8f,$2f,$8f,$2f,$8f,$2f,$8f,$2f

   dta $8f,$2f,$8f,$2f,$8f,$2f,$8f,$2f

   dta $8f,$2f,$8f,$2f,$8f,$2f,$8f,$2f

   dta $8f,$2f,$8f,$2f,$8f,$2f,$8f,$2f

   dta $8f,$2f,$8f,$2f,$8f,$2f,$8f,$2f

   dta $8f,$2f,$8f,$2f,$8f,$2f,$8f,$2f

   dta $8f,$2f,$8f,$2f,$8f,$2f,$8f,$2f

   dta $8f,$2f

   dta $41

   dta a(dl)

mode9.zip

[Heaven/TQA]

ok... sorry for posting several times... (there seem to be a lag...)

 

here is another little mode10++ fx... it does simply scale a 80x60x10 texture via "hardware"... i guess on C64 you would call that method FLD - flexible line distance...

mode9b.zip