I definitely find my method easier :p
Last question: while double-buffering, isn't that true that you have small lateness of one frame? I mean, the table is uploaded frame X, but is really loaded with HDMA at frame X+1, so there's a sort of latency?
I pasted one of the codes directly into LevelASM and inserted with Xkas. When I opened up the ROM in my emulator, I heard the music but nothing was on the screen. I put the HDMA on C7, the title screen level. Any help? P.S. I used the 3rd code for a color gradient.
-------------------- “The moment you declare a set of ideas to be immune from criticism, satire, derision, or contempt, freedom of thought becomes impossible.” - Salman Rushdie
Could you make a easy code, the darkness is only at the top?
Code
REP #$20 ; 16 bit A
LDA #$0000 ; $43X0 = 00
STA $4330 ; $43x1 = 00
LDA #LVL1BRIGHT ; get pointer to brightness table
STA $4332 ; store it to low and high byte pointer
PHK ; get bank
PLY ;
STY $4334 ; store to bank pointer byte
SEP #$20 ; 8 bit A
LDA #$08 ; Enable HDMA on channel 3
TSB $0D9F ;
RTS ; return
LVL1BRIGHT:
db $03,$00
db $03,$01
db $03,$02
db $03,$03
db $03,$04
db $03,$05
db $03,$06
db $03,$07
db $03,$08
db $03,$09
db $03,$0A
db $03,$0B
db $03,$0C
db $03,$0D
db $03,$0E
db $80,$0F
db $80,$0F
db $80,$0F
db $80,$0F
db $80,$0F
db $80,$0F
db $80,$0F
db $80,$0F
db $80,$0F
db $80,$0F
db $80,$0F
db $80,$0F
db $80,$0F
db $80,$0F
db $80,$0F
db $00
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How could one go about making a translucent color gradient that appears above Layer 1, Layer 2 and sprites, similar to the darkness gradient in the examples? What I would like to pull of is some sort of fiery glowing effect that would appear over everything at the bottom of the screen.
That would require some color addition and stuff. Try this code:
LDA #$2F
STA $40
LDA #$02
STA $44 LDA #$1F
STA $0D9D LDA #$00
STA $0D9E
It'll mess up sprite priorities iirc. I'm not sure how to go about fixing that. Try messing around with the underlined numbers, right now all layers go to the mainscreen.
Here's a question: Can you have to HDMA in one level?
- BlackMageMario
In terms of gradients, you can really only have 1 per level (excluding a brightness gradient), since having more than 1 color gradient seems kinda silly. You can definitely have, say, wavy HDMA and a color gradient in the same level, though.
I am at the beginnig of learning HDMA coding. Is it normal that the regs.txt file is so messed up? I can´t look through this mess... And how many scanlines has a screen. I
And how many scanlines has a screen. I 
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