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Identify more labels and constants

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This commit is contained in:
Rangi
2020-06-29 19:35:47 -04:00
parent f2efda1f68
commit e171c84c29
5 changed files with 115 additions and 98 deletions
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66
audio/engine.asm
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@@ -247,21 +247,21 @@ UpdateChannels:
ldh [rNR10], a
.noPitchSweep
bit NOTE_REST, [hl] ; rest
jr nz, .ch1rest
jr nz, .ch1_rest
bit NOTE_NOISE_SAMPLING, [hl]
jr nz, .asm_e81a2
jr nz, .ch1_noise_sampling
bit NOTE_FREQ_OVERRIDE, [hl]
jr nz, .frequency_override
jr nz, .ch1_frequency_override
bit NOTE_VIBRATO_OVERRIDE, [hl]
jr nz, .asm_e8184
jr .check_duty_override
jr nz, .ch1_vibrato_override
jr .ch1_check_duty_override
.frequency_override
.ch1_frequency_override
ld a, [wCurTrackFrequency]
ldh [rNR13], a
ld a, [wCurTrackFrequency + 1]
ldh [rNR14], a
.check_duty_override
.ch1_check_duty_override
bit NOTE_DUTY_OVERRIDE, [hl]
ret z
ld a, [wCurTrackDuty]
@@ -272,7 +272,7 @@ UpdateChannels:
ldh [rNR11], a
ret
.asm_e8184
.ch1_vibrato_override
ld a, [wCurTrackDuty]
ld d, a
ldh a, [rNR11]
@@ -283,7 +283,7 @@ UpdateChannels:
ldh [rNR13], a
ret
.ch1rest
.ch1_rest
ldh a, [rNR52]
and %10001110 ; ch1 off
ldh [rNR52], a
@@ -291,7 +291,7 @@ UpdateChannels:
call ClearChannel
ret
.asm_e81a2
.ch1_noise_sampling
ld hl, wCurTrackDuty
ld a, $3f ; sound length
or [hl]
@@ -310,11 +310,11 @@ UpdateChannels:
ld hl, CHANNEL_NOTE_FLAGS
add hl, bc
bit NOTE_REST, [hl] ; rest
jr nz, .ch2rest
jr nz, .ch2_rest
bit NOTE_NOISE_SAMPLING, [hl]
jr nz, .asm_e8204
jr nz, .ch2_noise_sampling
bit NOTE_VIBRATO_OVERRIDE, [hl]
jr nz, .asm_e81e6
jr nz, .ch2_vibrato_override
bit NOTE_DUTY_OVERRIDE, [hl]
ret z
ld a, [wCurTrackDuty]
@@ -325,14 +325,14 @@ UpdateChannels:
ldh [rNR21], a
ret
.asm_e81db ; unused
.ch2_frequency_override ; unreferenced
ld a, [wCurTrackFrequency]
ldh [rNR23], a
ld a, [wCurTrackFrequency + 1]
ldh [rNR24], a
ret
.asm_e81e6
.ch2_vibrato_override
ld a, [wCurTrackDuty]
ld d, a
ldh a, [rNR21]
@@ -343,7 +343,7 @@ UpdateChannels:
ldh [rNR23], a
ret
.ch2rest
.ch2_rest
ldh a, [rNR52]
and %10001101 ; ch2 off
ldh [rNR52], a
@@ -351,7 +351,7 @@ UpdateChannels:
call ClearChannel
ret
.asm_e8204
.ch2_noise_sampling
ld hl, wCurTrackDuty
ld a, $3f ; sound length
or [hl]
@@ -369,27 +369,27 @@ UpdateChannels:
.Channel7:
ld hl, CHANNEL_NOTE_FLAGS
add hl, bc
bit NOTE_REST, [hl] ; rest
jr nz, .ch3rest
bit NOTE_REST, [hl]
jr nz, .ch3_rest
bit NOTE_NOISE_SAMPLING, [hl]
jr nz, .asm_e824d
jr nz, .ch3_noise_sampling
bit NOTE_VIBRATO_OVERRIDE, [hl]
jr nz, .asm_e823a
jr nz, .ch3_vibrato_override
ret
.asm_e822f ; unused
.ch3_frequency_override ; unreferenced
ld a, [wCurTrackFrequency]
ldh [rNR33], a
ld a, [wCurTrackFrequency + 1]
ldh [rNR34], a
ret
.asm_e823a
.ch3_vibrato_override
ld a, [wCurTrackFrequency]
ldh [rNR33], a
ret
.ch3rest
.ch3_rest
ldh a, [rNR52]
and %10001011 ; ch3 off
ldh [rNR52], a
@@ -397,12 +397,12 @@ UpdateChannels:
call ClearChannel
ret
.asm_e824d
.ch3_noise_sampling
ld a, $3f ; sound length
ldh [rNR31], a
xor a
ldh [rNR30], a
call .asm_e8268
call .load_wave_pattern
ld a, $80
ldh [rNR30], a
ld a, [wCurTrackFrequency]
@@ -412,7 +412,7 @@ UpdateChannels:
ldh [rNR34], a
ret
.asm_e8268
.load_wave_pattern
push hl
ld a, [wCurTrackVolumeEnvelope]
and $f ; only 0-9 are valid
@@ -470,18 +470,18 @@ endr
.Channel8:
ld hl, CHANNEL_NOTE_FLAGS
add hl, bc
bit NOTE_REST, [hl] ; rest
jr nz, .ch4rest
bit NOTE_REST, [hl]
jr nz, .ch4_rest
bit NOTE_NOISE_SAMPLING, [hl]
jr nz, .asm_e82d4
jr nz, .ch4_noise_sampling
ret
.asm_e82c1 ; unused
.ch4_frequency_override ; unreferenced
ld a, [wCurTrackFrequency]
ldh [rNR43], a
ret
.ch4rest
.ch4_rest
ldh a, [rNR52]
and %10000111 ; ch4 off
ldh [rNR52], a
@@ -489,7 +489,7 @@ endr
call ClearChannel
ret
.asm_e82d4
.ch4_noise_sampling
ld a, $3f ; sound length
ldh [rNR41], a
ld a, [wCurTrackVolumeEnvelope]