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Add extra notes per errata, plus bonus state code repetitions.

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This commit is contained in:
Thomas Harte 2021-12-02 09:30:52 -05:00
parent 06340b1ad7
commit 364059551c
1 changed files with 20 additions and 16 deletions
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36
Machines/Amiga/Audio.cpp
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@ -146,31 +146,35 @@ void Audio::output() {
000 State::Disabled:
-> State::Disabled
-> State::Disabled (000)
if: N/A
action: percntrld
-> State::PlayingHigh
-> State::PlayingHigh (010)
if: AUDDAT, and not AUDxON, and not AUDxIP
action: volcntrld, percntrld, pbudld1, AUDxIR
-> State::WaitingForDummyDMA
-> State::WaitingForDummyDMA (001)
if: AUDxON
action: lencntrld, AUDxDR, dmasen, percntrld
action: lencntrld, AUDxDR, dmasen*, percntrld
* NOTE: except for this case, dmasen is true only when
LENFIN = 1. Also, AUDxDSR = (AUDxDR and dmasen).
001 State::WaitingForDummyDMA:
-> State::WaitingForDummyDMA
-> State::WaitingForDummyDMA (001)
if: N/A
action: None
-> State::Disabled
-> State::Disabled (000)
if: not AUDxON
action: None
-> State::WaitingForDMA
-> State::WaitingForDMA (101)
if: AUDxON, and AUDxDAT
action:
1. AUDxIR
@ -180,15 +184,15 @@ void Audio::output() {
101 State::WaitingForDMA:
-> State::WaitingForDMA:
-> State::WaitingForDMA (101)
if: N/A
action: None
-> State:Disabled
-> State:Disabled (000)
if: not AUDxON
action: None
-> State::PlayingHigh
-> State::PlayingHigh (010)
if: AUDxON, and AUDxDAT
action:
1. volcntrld, percntrld, pbufid1
@ -198,12 +202,12 @@ void Audio::output() {
010 State::PlayingHigh
-> State::PlayingHigh
-> State::PlayingHigh (010)
if: N/A
action: percount, and penhi
-> State::PlayingLow
if: [unspecified, presumably 'not percount']
-> State::PlayingLow (011)
if: perfin
action:
1. if AUDxAP, then pubfid2
2. if AUDxAP and AUDxON, then AUDxDR
@ -220,15 +224,15 @@ void Audio::output() {
011 State::PlayingLow
-> State::PlayingLow
-> State::PlayingLow (011)
if: N/A
action: percount, and not penhi
-> State::Disabled
-> State::Disabled (000)
if: perfin and not (AUDxON and not AUDxIP)
action: None
-> State::PlayingHigh
-> State::PlayingHigh (010)
if: perfin and AUDxON and not AUDxIP
action:
1. pbufld