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new intro, louder sounds

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This commit is contained in:
Daniel Borges
2019-01-11 00:13:47 +01:00
parent 7a0c351b12
commit 88956f2779
10 changed files with 299 additions and 200 deletions
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59
Code/data.asm
View File

@@ -21,46 +21,27 @@ BitsSet:
db 4; 15 = 1111
EXPORT DefaultMap
SECTION "Default Map", ROM0
SECTION "Default Map", ROM0, ALIGN[8]
DefaultMap:
; 20x18 map with a 3-step pulsar in the middle
;db 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
;db 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
;db 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
;db 0, 0, 0, 0, 0, 0, 0, 0, 3, 1, 0, 3, 1, 0, 0, 0, 0, 0, 0, 0
;db 0, 0, 0, 0, 0, 0, 0, 5, 0,10,10, 0, 0, 5, 0, 0, 0, 0, 0, 0
;db 0, 0, 0, 0, 0, 0, 0, 1,12, 6, 2,12, 4, 1, 0, 0, 0, 0, 0, 0
;db 0, 0, 0, 0, 0, 0, 0, 0,12, 4, 0,12, 4, 0, 0, 0, 0, 0, 0, 0
;db 0, 0, 0, 0, 0, 0, 0, 5, 0,10,10, 0, 0, 5, 0, 0, 0, 0, 0, 0
;db 0, 0, 0, 0, 0, 0, 0, 1, 0, 2, 2, 0, 0, 1, 0, 0, 0, 0, 0, 0
;db 0, 0, 0, 0, 0, 0, 0, 0, 3, 1, 0, 3, 1, 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
;db 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
;db 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
; 20x18 map matching the nintendo logo
db 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
db 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
db 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
db 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
db 0, 0, 0, 0,13, 5, 1, 0,14,12, 4,12, 0,14, 0, 4,15, 0, 0, 0
db 0, 0, 0, 0, 5, 5, 5,15,10,10, 4, 5, 7,14, 2, 6, 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
db 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
db 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
db 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
db 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0
; 32x18 map matching the startup nintendo logo
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
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
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, 0,13, 5, 9, 4,14,12, 4,12, 8,14, 8, 4,15, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0
db 0, 0, 0, 0, 5,15,15,10,10,10,14, 5,15,14, 9, 6, 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
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
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
EXPORT BackgroundTiles, BackgroundTilesEnd
SECTION "Graphics", ROM0

4
Code/edit.asm
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@@ -237,7 +237,7 @@ ToggleCell:
.noise
xor a
ldh [rNR41], a ; sound length
ld a, $F1
ld a, $F2
ldh [rNR42], a ; init volume + envelope sweep
ld a, $82
ldh [rNR43], a ; frequency
@@ -251,7 +251,7 @@ ToggleCell:
ldh [rNR10], a ; sweep
ld a, (%01 << 6) + 30
ldh [rNR11], a ; pattern + sound length
ld a, $43
ld a, $F1
ldh [rNR12], a ; init volume + envelope sweep
FREQUENCY = 100
ld a, LOW(PULSE_FREQUENCY)

171
Code/intro.asm Normal file
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@@ -0,0 +1,171 @@
INCLUDE "hardware.inc"
INCLUDE "utils.inc"
EXPORT Random, RandomEnd
SECTION "Random", ROM0, ALIGN[4]
Random:
db -1, 1, 2, -1, 2, 0, -2, -1, -2, 3, -1, -2, 2
RandomEnd:
EXPORT Intro
SECTION "Intro", ROM0
; unpack routine from bootrom
; adapted to run even with LCD on
GraphicA:
ld c, a
GraphicB:
ld b, 4
.loop:
push bc
rl c
rla
pop bc
rl c
rla
dec b
jr nz, .loop
ld b, a
.waitVRAM
ldh a, [rSTAT]
and a, STATF_BUSY
jr nz, .waitVRAM
ld a, b
ld [hl+], a
inc hl
ld [hl+], a
inc hl
ret
Intro:
; fade bg palette
ld b, 8
.fadeDelay0
HaltAndClearInterrupts
dec b
jr nz, .fadeDelay0
ld a, %11111100
ldh [rBGP], a
ld b, 8
.fadeDelay1
HaltAndClearInterrupts
dec b
jr nz, .fadeDelay1
ld a, %11111000
ldh [rBGP], a
ld b, 8
.fadeDelay2
HaltAndClearInterrupts
dec b
jr nz, .fadeDelay2
; load bg and obj palette [0=black, 1=dark gray, 2=light gray, 3=white]
ld a, %11100100
ldh [rBGP], a
; copy nintendo logo tiles from rom to block 1
; borrowed from boot rom
ld de, NINTENDOLOGO_ROM
ld hl, _VRAM + $810
.logoloop
ld a, [de]
call GraphicA
call GraphicB
inc de
ld a, e
cp $34
jr nz, .logoloop
; move all map indices to block 1
ld hl, _SCRN0
ld bc, 18 * 32
.copy
ldh a, [rSTAT]
and a, STATF_BUSY
jr nz, .copy
ld a, [hl]
add a, $80
ld [hl+], a
dec bc
ld a, b
or c
jr nz, .copy
; display nintendo logo from new map
ld a, LCDCF_ON | LCDCF_BGON | LCDCF_BG9800
ldh [rLCDC], a
; sound
ld a, $77
ldh [rNR10], a ; sweep
ld a, (%00 << 6) + 0
ldh [rNR11], a ; pattern + sound length
ld a, $F6
ldh [rNR42], a ; set volume with long sweep
FREQUENCY = 146
ld a, LOW(PULSE_FREQUENCY)
ldh [rNR13], a
ld a, SOUND_START | HIGH(PULSE_FREQUENCY)
ldh [rNR14], a
; slowly copy default map to v-ram column by column
ld hl, DefaultMap
ld de, _SCRN0
ld b, 20
.loopX
ld c, 2
HaltAndClearInterrupts
HaltAndClearInterrupts
HaltAndClearInterrupts
.loopY
; copy 8 tiles (that's how many there is before L and E overflow)
REPT 8
ld a, [hl]
ld [de], a
ld a, l
add a, $20
ld l, a
ld a, e
add a, $20
ld e, a
ENDR
; L and E overflowed, we can increment H and L
inc h
inc d
dec c
jr nz, .loopY
; copy last 2 tiles
REPT 2
ld a, [hl]
ld [de], a
ld a, l
add a, $20
ld l, a
ld a, e
add a, $20
ld e, a
ENDR
; back to beginning (high byte)
ld a, h
sub a, 2
ld h, a
ld a, d
sub a, 2
ld d, a
; back to beginning + next column (low byte)
ld a, l
sub a, $3F
ld l, a
ld a, e
sub a, $3F
ld e, a
dec b
jp nz, .loopX
ret

101
Code/main.asm
View File

@@ -45,7 +45,7 @@ FREQUENCY = 330
ldh [rNR10], a ; sweep
ld a, (%01 << 6) + 30
ldh [rNR11], a ; pattern + sound length
ld a, $43
ld a, $F1
ldh [rNR12], a ; init volume + envelope sweep
ld a, l
ldh [rNR13], a
@@ -70,9 +70,6 @@ FREQUENCY = 330
SECTION "Main", ROM0[$150]
Start:
; save gameboy type in B
ld b, a
; enable sound
ld a, $80
ld [rNR52], a ; sound ON
@@ -85,49 +82,62 @@ Start:
ld a, IEF_VBLANK
ld [rIE], a
xor a
ldh [rIF], a
;IF !DEF(DIRECT_TO_GAME)
; ; skip if running on GBC or GBA
; ld a, b
; cp a, $11
; jr z, .skip
;
; call ScrollNintendoOut
;
;.skip
;ENDC
; disable screen
halt
xor a
ldh [rLCDC], a
; load bg and obj palette [0=black, 1=dark gray, 2=light gray, 3=white]
ld a, %11100100
ldh [rBGP], a
ldh [rOBP0], a
HaltAndClearInterrupts
; load 18 tiles
; 0..15: 2x2 cell combinations
; 16: sprite selection tile
; 17: empty tile
ld hl, _VRAM_BG_TILES
ld de, BackgroundTiles
ld de, _VRAM_BG_TILES
ld hl, BackgroundTiles
ld bc, BackgroundTilesEnd - BackgroundTiles
call MemoryCopy
call VideoMemoryCopy
ld hl, _VRAM
ld de, SpriteTiles
HaltAndClearInterrupts
call Intro
; copy sprite tiles
HaltAndClearInterrupts
ld de, _VRAM
ld hl, SpriteTiles
ld bc, SpriteTilesEnd - SpriteTiles
call MemoryCopy
call VideoMemoryCopy
; clear OAM
; clear OAM over 4 frames
HaltAndClearInterrupts
ld hl, _OAMRAM
ld d, 0
ld bc, 40 * 4
REPT 2
ld bc, 40 * 2
call MemorySet
HaltAndClearInterrupts
ENDR
; copy default map into 20x18 automata buffer
ld hl, DefaultMap
ld de, Buffer0
ld c, 18
.loopY
ld b, 20
.loopX
ld a, [hl+]
ld [de], a
inc de
dec b
jr nz, .loopX
dec c
jr z, .next
ld a, l
add a, 32 - 20
ld l, a
jr nc, .loopY
inc h
jr .loopY
.next
; set scrolling to (0, 0)
xor a
@@ -138,31 +148,20 @@ Start:
ld a, ANIMATE
ldh [Control], a
; clear screen (both buffers)
ld hl, _SCRN0
ld d, EMPTY_BG_TILE
ld bc, 32 * 32 * 2
call MemorySet
; init buffer 0
ld hl, Buffer0
ld de, DefaultMap
ld bc, 20 * 18
call MemoryCopy
call InitJoypad
call InitAutomata
call InitRender
call InitEdit
; load bg and obj palette [0=black, 1=dark gray, 2=light gray, 3=white]
ld a, %11100100
ldh [rBGP], a
ldh [rOBP0], a
; enable h-blank interrupt in lcd stat
ld a, STATF_MODE00
ld [rSTAT], a
; enable screen but don't display anything yet
ld a, LCDCF_ON
ldh [rLCDC], a
ClearAndEnableInterrupts
.mainloop

88
Code/nintendo-out.asm
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@@ -1,88 +0,0 @@
INCLUDE "hardware.inc"
INCLUDE "utils.inc"
EXPORT Random, RandomEnd
SECTION "Random", ROM0, ALIGN[4]
Random:
db -1, 1, 2, -1, 2, 0, -2, -1, -2, 3, -1, -2, 2
RandomEnd:
EXPORT ScrollNintendoOut
SECTION "Scroll Nintendo Out", ROM0
ScrollNintendoOut:
; wait a moment
ld b, 32
.wait
HaltAndClearInterrupts
dec b
jr nz, .wait
; make noise
xor a
ldh [rNR41], a ; set sound duration
ld a, $F0
ldh [rNR42], a ; set volume
ld a, $72
ldh [rNR43], a ; set frequency
ld a, $80
ldh [rNR44], a ; turn on
; nudge nintendo logo
ld d, HIGH(Random)
ld e, 0
ld b, 42
.noise
HaltAndClearInterrupts
HaltAndClearInterrupts
ld a, [de]
ldh [rSCY], a
inc e
ld a, e
cp a, RandomEnd - Random
jr nz, .next
ld e, 0
.next
ld a, [de]
ldh [rSCX], a
inc e
ld a, e
cp a, RandomEnd - Random
jr nz, .next2
ld e, 0
.next2
dec b
jr nz, .noise
xor a
ldh [rSCY], a
; change noise
xor a
ldh [rNR41], a ; set sound duration
ld a, $F4
ldh [rNR42], a ; set volume with long sweep
ld a, $62
ldh [rNR43], a ; set frequency
ld a, $80
ldh [rNR44], a ; start
; nintendo logo lift-off!
.scrollup
HaltAndClearInterrupts
; scroll up
ldh a, [rSCY]
inc a
ldh [rSCY], a
; loop until nintendo logo is out of screen
ldh a, [rSCY]
cp a, 88
jp nz, .scrollup
ret

43
Code/utils.asm
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@@ -2,12 +2,12 @@ INCLUDE "hardware.inc"
EXPORT MemoryCopy
SECTION "Memory Copy", ROM0
; hl = destination
; de = source
; de = destination
; hl = source
; bc = count
MemoryCopy:
ld a, [de]
ld [hl+], a
ld a, [hl+]
ld [de], a
inc de
dec bc
ld a, b
@@ -15,6 +15,24 @@ MemoryCopy:
jr nz, MemoryCopy
ret
EXPORT VideoMemoryCopy
SECTION "Video Memory Copy", ROM0
; de = destination
; hl = source
; bc = count
VideoMemoryCopy:
ldh a, [rSTAT]
and a, STATF_BUSY
jr nz, VideoMemoryCopy
ld a, [hl+]
ld [de], a
inc de
dec bc
ld a, b
or c
jr nz, VideoMemoryCopy
ret
EXPORT MemorySet
SECTION "Memory Set", ROM0
; hl = destination
@@ -28,3 +46,20 @@ MemorySet:
or c
jr nz, MemorySet
ret
EXPORT VideoMemorySet
SECTION "Video Memory Set", ROM0
; hl = destination
; d = data
; bc = count
VideoMemorySet:
ldh a, [rSTAT]
and a, STATF_BUSY
jr nz, VideoMemorySet
ld a, d
ld [hl+], a
dec bc
ld a, b
or c
jr nz, VideoMemorySet
ret

10
Code/utils.inc
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@@ -1,9 +1,11 @@
INCLUDE "hardware.inc"
JOYPAD_DIRECTIONS EQU (PADF_UP | PADF_DOWN | PADF_LEFT | PADF_RIGHT)
SOUND_START EQU $80
PULSE_FREQUENCY EQUS "(-131072 / (FREQUENCY) + 2048)"
NINTENDOLOGO_ROM EQU $104
JOYPAD_DIRECTIONS EQU (PADF_UP | PADF_DOWN | PADF_LEFT | PADF_RIGHT)
SWEEP_ENABLE EQU $8
SOUND_EXPIRE EQU $40
SOUND_START EQU $80
PULSE_FREQUENCY EQUS "(-131072 / (FREQUENCY) + 2048)"
; destroys A
ClearAndEnableInterrupts: MACRO

18
build.bat
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@@ -1,10 +1,10 @@
..\..\Assembler\rgbasm %* -i Graphics\ -i Code\ -o Build\main.o Code\main.asm
..\..\Assembler\rgbasm %* -i Graphics\ -i Code\ -o Build\data.o Code\data.asm
..\..\Assembler\rgbasm %* -i Graphics\ -i Code\ -o Build\automata.o Code\automata.asm
..\..\Assembler\rgbasm %* -i Graphics\ -i Code\ -o Build\render.o Code\render.asm
..\..\Assembler\rgbasm %* -i Graphics\ -i Code\ -o Build\utils.o Code\utils.asm
..\..\Assembler\rgbasm %* -i Graphics\ -i Code\ -o Build\nintendo-out.o Code\nintendo-out.asm
..\..\Assembler\rgbasm %* -i Graphics\ -i Code\ -o Build\edit.o Code\edit.asm
..\..\Assembler\rgbasm %* -i Graphics\ -i Code\ -o Build\joypad.o Code\joypad.asm
..\..\Assembler\rgblink -n rom.sym -w -t -o rom.gb -d Build/main.o Build/data.o Build/automata.o Build/render.o Build/utils.o Build/nintendo-out.o Build/edit.o Build/joypad.o
..\..\Assembler\rgbasm %* -i Graphics\ -i Code\ -o Build\main.o Code\main.asm
..\..\Assembler\rgbasm %* -i Graphics\ -i Code\ -o Build\data.o Code\data.asm
..\..\Assembler\rgbasm %* -i Graphics\ -i Code\ -o Build\automata.o Code\automata.asm
..\..\Assembler\rgbasm %* -i Graphics\ -i Code\ -o Build\render.o Code\render.asm
..\..\Assembler\rgbasm %* -i Graphics\ -i Code\ -o Build\utils.o Code\utils.asm
..\..\Assembler\rgbasm %* -i Graphics\ -i Code\ -o Build\intro.o Code\intro.asm
..\..\Assembler\rgbasm %* -i Graphics\ -i Code\ -o Build\edit.o Code\edit.asm
..\..\Assembler\rgbasm %* -i Graphics\ -i Code\ -o Build\joypad.o Code\joypad.asm
..\..\Assembler\rgblink -n rom.sym -w -t -o rom.gb -d Build/main.o Build/data.o Build/automata.o Build/render.o Build/utils.o Build/intro.o Build/edit.o Build/joypad.o
..\..\Assembler\rgbfix -t "Game of Life" -v -p 0 rom.gb

BIN
rom.gb
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1
todo.txt
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@@ -1,4 +1,3 @@
- music
- title screen
- crossfade nintendo boot logo into nintendo logo in automata
- cartridge!