From 725cee7371f1b1862225e940e5c7271dc9444a1c Mon Sep 17 00:00:00 2001 From: mid-kid Date: Wed, 21 Nov 2018 12:12:22 +0100 Subject: [PATCH] Define first_music_cmd This replaces the uses of $d0 in the audio engine with proper constants. --- audio/engine.asm | 6 +++--- constants/audio_constants.asm | 2 +- macros/scripts/audio.asm | 5 +++-- 3 files changed, 7 insertions(+), 6 deletions(-) diff --git a/audio/engine.asm b/audio/engine.asm index 62ba0e48c..551f1e0aa 100644 --- a/audio/engine.asm +++ b/audio/engine.asm @@ -1136,9 +1136,9 @@ ReadNoiseSample: ParseMusic: ; parses until a note is read or the song is ended call GetMusicByte ; store next byte in a - cp endchannel_cmd ; is the song over? + cp endchannel_cmd jr z, .endchannel - cp $d0 ; is it a note? + cp first_music_cmd jr c, .readnote ; then it's a command .readcommand @@ -1350,7 +1350,7 @@ ParseMusicCommand: ; reload command ld a, [wCurMusicByte] ; get command # - sub $d0 ; first command + sub first_music_cmd ld e, a ld d, 0 ; seek command pointer diff --git a/constants/audio_constants.asm b/constants/audio_constants.asm index ec8311dfe..1d092edf5 100644 --- a/constants/audio_constants.asm +++ b/constants/audio_constants.asm @@ -24,11 +24,11 @@ const CHAN3 ; 2 const CHAN4 ; 3 NUM_MUSIC_CHANS EQU const_value -NUM_NOISE_CHANS EQU const_value const CHAN5 ; 4 const CHAN6 ; 5 const CHAN7 ; 6 const CHAN8 ; 7 +NUM_NOISE_CHANS EQU const_value - NUM_MUSIC_CHANS NUM_CHANNELS EQU const_value ; channel_struct members (see macros/wram.asm) diff --git a/macros/scripts/audio.asm b/macros/scripts/audio.asm index cb411fc8b..d4a3f7bb5 100644 --- a/macros/scripts/audio.asm +++ b/macros/scripts/audio.asm @@ -21,12 +21,13 @@ ENDM ; MusicCommands indexes (see audio/engine.asm) enum_start $d8 +first_music_cmd EQU __enum__ + -8 - enum notetype_cmd ; $d8 octave: MACRO - db notetype_cmd - (\1) + db first_music_cmd + 8 - (\1) ENDM + enum notetype_cmd ; $d8 notetype: MACRO db notetype_cmd db \1 ; note_length