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Implement the Gxx effect

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This commit is contained in:
Johan Hillerström 2015-11-14 13:04:29 +01:00
commit eff3fd1ed6
1 changed files with 12 additions and 2 deletions
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14
xmeffects.js
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@ -182,6 +182,16 @@ function eff_t0_f(ch, data) { // set tempo
}
}
function eff_t0_g(ch, data) { // set global volume
if (data <= 0x40) {
// volume gets multiplied by 2 to match
// the initial max global volume of 128
player.xm.global_volume = Math.max(0, data * 2);
} else {
player.xm.global_volume = player.max_global_volume;
}
}
function eff_t0_r(ch, data) { // retrigger
if (data & 0x0f) ch.retrig = (ch.retrig & 0xf0) + (data & 0x0f);
if (data & 0xf0) ch.retrig = (ch.retrig & 0x0f) + (data & 0xf0);
@ -234,7 +244,7 @@ player.effects_t0 = [ // effect functions on tick 0
eff_t0_d, // d
eff_t0_e, // e
eff_t0_f, // f
eff_unimplemented_t0, // g
eff_t0_g, // g
eff_unimplemented_t0, // h
eff_unimplemented_t0, // i
eff_unimplemented_t0, // j
@ -273,7 +283,7 @@ player.effects_t1 = [ // effect functions on tick 1+
null, // d
eff_t1_e, // e
null, // f
eff_unimplemented, // g
null, // g
eff_unimplemented, // h
eff_unimplemented, // i
eff_unimplemented, // j