Specifications

S1C62N82 TECHNICAL SOFTWARE EPSON II-57
CHAPTER 3: PERIPHERAL CIRCUITS (Melody Generator)
There are 7 bits for melody start address setting.
The user programmable area is from 00H to 07FH (128 words).
Address 0F2H (4 bits) is for melody control.
MELC: (1) Melody start when this bit is set to "1".
(2)Melody stop when this bit is set to "0" and there is
an end bit come from melody ROM.
TEMPC: Selection of tempo (TEMPC0 or TEMPC1); chosen
by mask option. Two tempos (TEMPC0 and
TEMPC1) can be chosen out of 16 tempos.
0: TEMPC0
1: TEMPC1
(See S1C62N82 Technical Hardwar, 4.11, "Playing
tempo".)
CLKC1, CLKC0: These two bits are combined to set the play
speed.
Note
Fig. 3.11.1
Set of melody ROM
address
– MSB
↓
MAD6
AD5
↓
MAD5
AD4
↓
MAD4
0F1H
AD3
↓
MAD3
AD2
↓
MAD2
AD1
↓
MAD1
LSB
↓
MAD0
0F0H
Description
Table 3.11.2
Set of play speed
0
0
1
1
0
1
0
1
CLKC1 CLKC0
Play as normal speed
Play as normal speed 8
Play as normal speed 16
Play as normal speed 32
Play Speed
×
×
×
Address 0F4H, D3 is for melody output control.
MELD = "1": Melody sound is disable output
MELD = "0": Melody sound is enable output
Address setting
(Addresses 0F0H and
0F1H)
Play mode control