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Diffstat (limited to 'fmdriver/fmdriver_pmd.c')
-rw-r--r--fmdriver/fmdriver_pmd.c37
1 files changed, 27 insertions, 10 deletions
diff --git a/fmdriver/fmdriver_pmd.c b/fmdriver/fmdriver_pmd.c
index c7cdbfd..730b2db 100644
--- a/fmdriver/fmdriver_pmd.c
+++ b/fmdriver/fmdriver_pmd.c
@@ -704,7 +704,7 @@ static void pmd_ssg_env_tick_new(
} else {
// 31d9
part->ssg_env_vol = u8s8(part->ssg_env_vol + ar);
- if (part->ssg_env_vol <= 0xf) {
+ if (part->ssg_env_vol < 0xf) {
// 31e4
part->ssg_env_param[SSG_ENV_PARAM_NEW_AR] =
part->ssg_env_param_set[SSG_ENV_PARAM_NEW_AR] - 0x10;
@@ -730,16 +730,20 @@ static void pmd_ssg_env_tick_new(
}
} else {
// 3214
+ uint8_t prev_ssg_env_vol = part->ssg_env_vol;
part->ssg_env_vol = u8s8(part->ssg_env_vol - dr);
uint8_t sl = part->ssg_env_param_sl;
- if ((part->ssg_env_vol >= 0) && (part->ssg_env_vol >= sl)) {
+ FMDRIVER_DEBUG("DR: %d\n", part->ssg_env_vol);
+ if (((prev_ssg_env_vol & 0x80) == (((uint8_t)part->ssg_env_vol) & 0x80))
+ && (((uint8_t)part->ssg_env_vol) >= sl)) {
// 3223
uint8_t newdr = part->ssg_env_param_set[SSG_ENV_PARAM_NEW_DR] - 0x10;
if (newdr & 0x80) newdr += newdr;
part->ssg_env_param[SSG_ENV_PARAM_NEW_DR] = newdr;
} else {
// 3231
- part->ssg_env_vol = sl;
+ part->ssg_env_vol = u8s8(sl);
+ FMDRIVER_DEBUG("DRnext: %d\n", part->ssg_env_vol);
part->ssg_env_state_new = SSG_ENV_STATE_NEW_SR;
}
}
@@ -756,8 +760,11 @@ static void pmd_ssg_env_tick_new(
}
} else {
// 324d
+ uint8_t prev_ssg_env_vol = part->ssg_env_vol;
part->ssg_env_vol = u8s8(part->ssg_env_vol - sr);
- if (part->ssg_env_vol < 0) part->ssg_env_vol = 0;
+ if ((prev_ssg_env_vol & 0x80) != (((uint8_t)part->ssg_env_vol) & 0x80))
+ part->ssg_env_vol = 0;
+ // 3258
uint8_t newsr = part->ssg_env_param_set[SSG_ENV_PARAM_NEW_SR] - 0x10;
if (newsr & 0x80) newsr += newsr;
part->ssg_env_param[SSG_ENV_PARAM_NEW_SR] = newsr;
@@ -795,6 +802,7 @@ static bool pmd_ssg_env_tick_new_check(
if (part->ssg_env_state_new == SSG_ENV_STATE_NEW_OFF) return false;
int8_t prev_vol = part->ssg_env_vol;
pmd_ssg_env_tick_new(part);
+ FMDRIVER_DEBUG("ssgnewenv %d %d\n", part->ssg_env_state_new, part->ssg_env_vol);
return part->ssg_env_vol != prev_vol;
}
@@ -873,10 +881,10 @@ static uint8_t pmd_part_lfo_init_ssg(
// 3021
part->ssg_env_param[SSG_ENV_PARAM_NEW_AR] =
part->ssg_env_param_set[SSG_ENV_PARAM_NEW_AR] - 0x10;
- int dr = part->ssg_env_param_set[SSG_ENV_PARAM_NEW_DR] - 0x10;
+ int dr = u8s8(part->ssg_env_param_set[SSG_ENV_PARAM_NEW_DR] - 0x10);
if (dr < 0) dr += dr;
part->ssg_env_param[SSG_ENV_PARAM_NEW_DR] = dr;
- int sr = part->ssg_env_param_set[SSG_ENV_PARAM_NEW_SR] - 0x10;
+ int sr = u8s8(part->ssg_env_param_set[SSG_ENV_PARAM_NEW_SR] - 0x10);
if (sr < 0) sr += sr;
part->ssg_env_param[SSG_ENV_PARAM_NEW_SR] = sr;
uint8_t rr = part->ssg_env_param_set[SSG_ENV_PARAM_NEW_RR];
@@ -888,6 +896,7 @@ static uint8_t pmd_part_lfo_init_ssg(
part->ssg_env_state_new = SSG_ENV_STATE_NEW_AR;
// 31b9
pmd_ssg_env_tick_new_check(part);
+ FMDRIVER_DEBUG("envinit\n");
pmd_lfo_tick_if_needed_hlfo(work, pmd, part);
}
return note;
@@ -1570,24 +1579,24 @@ static void pmd_ssg_vol_out(
}
// 2b91
if (pmd->ssg_voldown) {
- uint8_t voldown = -pmd->ssg_voldown;
+ unsigned voldown = (uint8_t)(-pmd->ssg_voldown);
vol = vol * voldown >> 8;
}
if (pmd->fadeout_vol) {
- uint8_t fadeout = -pmd->fadeout_vol;
+ unsigned fadeout = (uint8_t)(-pmd->fadeout_vol);
vol = vol * fadeout >> 8;
}
// 2bad
if (vol) {
if (part->ssg_env_state_old == SSG_ENV_STATE_OLD_NEW) {
// 2bb7
- uint8_t envvol = part->ssg_env_vol;
+ unsigned envvol = (uint8_t)(part->ssg_env_vol);
if (!envvol) {
// 2bd9
vol = 0;
// -> 2c0f
} else {
- vol = (vol * (envvol+1)) >> 3;
+ vol = ((vol * (envvol+1)) & 0xff) >> 3;
if (vol & 1) {
vol >>= 1;
vol++;
@@ -3343,6 +3352,13 @@ static void pmd_cmdcd_env_new(
part->ssg_env_state_new = SSG_ENV_STATE_NEW_RR;
part->ssg_env_vol = 0;
}
+ FMDRIVER_DEBUG("SSG NEW ENV: %d %d %d %d %d %d\n",
+ part->ssg_env_param_set[SSG_ENV_PARAM_NEW_AR],
+ part->ssg_env_param_set[SSG_ENV_PARAM_NEW_DR],
+ part->ssg_env_param_set[SSG_ENV_PARAM_NEW_SR],
+ part->ssg_env_param_set[SSG_ENV_PARAM_NEW_RR],
+ part->ssg_env_param_sl,
+ part->ssg_env_param_al);
}
// 1def
@@ -5596,6 +5612,7 @@ static void pmd_timerb(
) {
if (pmd->playing) {
// 3d8f
+ FMDRIVER_DEBUG("timerb\n");
pmd_proc_parts(work, pmd);
pmd_timerb_write(work, pmd);
pmd_update_note_meas(pmd);