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menu: store font only once, generate tilemap instead of storing it

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ikari 2012-02-28 16:33:22 +01:00
parent 8e7f77e49b
commit d0422005d0
2 changed files with 583 additions and 3088 deletions
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3585
snes/font.a65
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86
snes/main.a65
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@ -97,15 +97,8 @@ setup_gfx:
sta $2183
DMA0(#$08, #0, #^zero, #!zero, #$80)
;copy 2bpp font (can be used as 4-bit lores font!)
ldx #$4000
stx $2116
DMA0(#$01, #$2000, #^font2, #!font2, #$18)
;copy 4bpp font
ldx #$0000
stx $2116
DMA0(#$01, #$4000, #^font4, #!font4, #$18)
;generate fonts
jsr genfonts
;clear BG1 tilemap
ldx #BG1_TILE_BASE
@ -127,23 +120,28 @@ setup_gfx:
stx $2116
DMA0(#$01, #$4000, #^logo, #!logo, #$18)
;copy logo tilemap
;generate logo tilemap
ldx #BG1_TILE_BASE
stx $2116
DMA0(#$01, #$280, #^logomap, #!logomap, #$18)
ldx #$0100
- stx $2118
inx
cpx #$01e0
bne -
;copy sprites tiles
ldx #OAM_TILE_BASE
stx $2116
DMA0(#$01, #$400, #^logospr, #!logospr, #$18)
DMA0(#$01, #$500, #^logospr, #!logospr, #$18)
;set OAM tables
ldx #$0000
stx $2102
DMA0(#$00, #$5C, #^oam_data_l, #!oam_data_l, #$04)
DMA0(#$00, #$60, #^oam_data_l, #!oam_data_l, #$04)
ldx #$0100
stx $2102
DMA0(#$00, #$08, #^oam_data_h, #!oam_data_h, #$04)
DMA0(#$00, #$09, #^oam_data_h, #!oam_data_h, #$04)
;set palette
stz $2121
@ -232,7 +230,7 @@ tests:
lda #9
sta bar_yl
rts
snes_init:
sep #$20 : .as ;8-bit accumulator
rep #$10 : .xl ;16-bit index
@ -283,7 +281,7 @@ snes_init:
stz $2113 ;
stz $2114 ;
stz $2114 ;
lda #$80
lda #$80
sta $2115 ;
stz $2116 ;
stz $2117 ;
@ -387,3 +385,59 @@ fadeloop_start
fadeloop_end:
.byt $ff
genfonts:
php
rep #$10 : .xl
sep #$20 : .as
;clear VRAM font areas
ldx #$0000
stx $2116
DMA0(#$09, #$4000, #^zero, #!zero, #$18)
ldx #$4000
stx $2116
DMA0(#$09, #$2000, #^zero, #!zero, #$18)
sep #$10 : .xs
rep #$20 : .al
stz $2116
ldx #$01
stx $4300
ldx #^font
stx $4304
lda #!font
sta $4302
lda #$0010
sta $4305
ldx #$18
stx $4301
lda #$0000
- sta $2116
ldx #$10
stx $4305
ldx #$01
stx $420b
clc
adc #$20
cmp #$2000
bne -
ldx #^font
stx $4304
lda #!font
sta $4302
lda #$4000
- sta $2116
ldx #$10
stx $4305
ldx #$01
stx $420b
clc
adc #$10
cmp #$5000
bne -
plp
rts