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MZ-2000 MIDI Implementation
✩ One data size (number of bits) minus 1
d3[0] 000zzzzz
zzzzz = number of bits - 1
When zzzz + 1 is: The number of data bytes is:
1to 7 1
8to14 2
15 to 21 3
22 to 28 4
29 to 35 5
✩ Parameter Values
7 bits or less
d4[0] 0xxxxxxx xxxxxxx = Data
8 to 14 bits
d4[0] 0xxxxxxx XXXXXXXxxxxxxx = Data
d4[1] 0XXXXXXX
15 to 21 bits
d4[0] 0xxxxxxx yyyyyyyXXXXXXXxxxxxxx = Data
d4[1] 0XXXXXXX
d4[2] 0yyyyyyy
4.4.3 Patch Common Parameters
4.4.3.1 System Reverb
- - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - -
Para ID Parameter Bit Default Value
- - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - -
0000 RevMacro 8 00H - 0DH 04H
Reverb Macro
Batch resets system reverb parameters to their preset values.
value macro
- - - - - + - - - - - - -
00H Room1
01H Room2
02H Room3
03H Hall1
04H Hall2
05H Plat1
06H Delay
07H PanDly
08H Room4
09H Plate2
0AH Small Hall
0BH Medium Hall
0CH Large Hall
0DH Bright Hall
0001 RevChara 8 00H - 07H 04H
Reverb Character
Selects the system reverb program type.
value character
- - - - - + - - - - - - -
00H Room1
01H Room2
02H Room3
03H Hall1
04H Hall2
05H Plat1
06H Delay
07H PanDl
0002 RevPreLpf 8 00H - 07H 00H
Reverb Pre Low Pass Filter
Sets the cut off frequency value of the low pass filter (-6dB/oct), which filters the
high frequency components of the sound input into system reverb.
value cutoff freq.
- - - - - + - - - - - - -
00H bypass
01H 20000 (Hz)
02H 8500 (Hz)
03H 5500 (Hz)
04H 3500 (Hz)
05H 2500 (Hz)
06H 1500 (Hz)
07H 500 (Hz)
0003 RevLevel 8 00H - 7FH 40H
Reverb Level
Sets the return (output) level of the reverb sound.
value level
- - - - - + - - - - - - -
00H 0 (%)
40H 100 (%)
7FH 200 (%)
0004 RevTime 8 00H - 7FH 40H
Reverb Time
Sets the reverb time of the reverb sound.
0005 RevDelayFeedback 8 00H - 7FH 00H
Reverb Delay Feedback
Sets the delay feedback level.
This parameter is valid only when RevChara is 6 or 7, and when RevMacro is 6 or 7.
A setting of 60H or greater clips 75%.
value level
- - - - - + - - - - - - -
00H 0 (%)
60H 75 (%)
7FH 75 (%)
0006 RevPreDelayTime 8 00H - 7FH 00H
Reverb Pre-Delay Time
Sets the delay time until reverb is output.
value level
- - - - - + - - - - - - -
00H 0 (ms)
7FH 127 (ms)