diff options
| author | Ian C <ianc@noddybox.co.uk> | 2018-09-18 14:42:07 +0000 |
|---|---|---|
| committer | Ian C <ianc@noddybox.co.uk> | 2018-09-18 14:42:07 +0000 |
| commit | 0700f3d642c05713012e5f073df5884bc008d35c (patch) | |
| tree | 3823cd884e8f79d7c226b6d096d7a7f4223a2fe6 | |
| parent | 8e05438548a50dece16697f1b1cdddbde68c95cd (diff) | |
Centered BG3.
| -rw-r--r-- | main.asm | 28 | ||||
| -rw-r--r-- | maps.asm | 22 |
2 files changed, 39 insertions, 11 deletions
@@ -56,6 +56,21 @@ stz VMADDH DMA 9,zero,$18,0 + ; Clear OAM + ; +ClearOAM: + stz OAMADDL + stz OAMADDH + INDEX16 + ldx #0 +.loop + stz OAMDATA + stz OAMDATA + inx + cpx #544/2 + bne loop + INDEX8 + ; Copy 4-colour tiles ; stz VMADDL @@ -80,6 +95,9 @@ ; stz CGADD DMA 0,PaletteData,$22,PaletteDataLen + lda #$80 + sta CGADD + DMA 0,PaletteData,$22,PaletteDataLen ; Copy BG3 ; @@ -118,9 +136,19 @@ copybg3: lda #$40 sta BG3SC + lda #-52 + sta BG3HOFS + stz BG3HOFS + lda #-32 + sta BG3VOFS + stz BG3VOFS + lda #$0f sta INIDISP + lda #$81 + sta NMITIMEN + ; Loop forever. Forever: jmp Forever @@ -29,23 +29,23 @@ bank 2 BG3Map: - db 0,1,2,3,4,5,6,7,8,9,10,11,12,13,14,15,16,17,18,19,0,0,0,0,0,0,0,0,0,0,0,0 - db 20,21,22,23,24,25,26,27,28,29,30,31,32,33,34,35,36,37,38,39,40,0,0,0,0,0,0,0,0,0,0,0 db 0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0 - db 0,0,0,0,1,40,40,40,40,0,0,40,1,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0 - db 0,0,0,0,0,1,40,0,40,0,0,40,1,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0 - db 0,0,0,0,0,1,40,0,40,0,0,40,1,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0 - db 0,0,0,0,0,1,40,0,40,40,40,40,40,40,1,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0 db 0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0 - db 0,21,16,19,15,2,5,16,0,13,16,24,0,13,6,23,6,13,0,0,0,0,0,0,0,0,0,0,0,0,0,0 db 0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0 - db 0,0,0,0,0,30,28,29,36,0,10,2,15,0,4,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0 + db 0,0,0,0,0,39,39,39,39,0,0,39,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0 + db 0,0,0,0,0,0,39,0,39,0,0,39,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0 + db 0,0,0,0,0,0,39,0,39,0,0,39,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0 + db 0,0,0,0,0,0,39,0,39,39,39,39,39,39,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0 db 0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0 - db 0,0,0,15,16,5,5,26,3,16,25,39,4,16,39,22,12,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0 + db 0,20,15,18,14,1,4,15,0,12,15,23,0,12,5,22,5,12,0,0,0,0,0,0,0,0,0,0,0,0,0,0 db 0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0 + db 0,0,0,0,0,29,27,28,35,0,9,1,14,0,3,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0 db 0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0 - db 0,0,0,16,19,10,8,10,15,2,13,0,8,2,14,6,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0 - db 0,38,29,37,36,32,0,4,16,20,21,2,0,17,2,15,2,26,10,0,0,0,0,0,0,0,0,0,0,0,0,0 + db 0,0,0,14,15,4,4,25,2,15,24,38,3,15,38,21,11,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0 + db 0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0 + db 0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0 + db 0,0,0,15,18,9,7,9,14,1,12,0,7,1,13,5,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0 + db 0,37,28,36,35,31,0,3,15,19,20,1,0,16,1,14,1,25,9,0,0,0,0,0,0,0,0,0,0,0,0,0 db 0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0 db 0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0 db 0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0 |