Epson S1C62 Family - Manual (Page 64)

MELODY ASSEMBLER MLA628X
IV-6 EPSON S1C62 FAMILY
DEVELOPMENT TOOL REFERENCE MANUAL
5 PSEUDO-INSTRUCTIONS
The pseudo-instruction is for the assembler, and cannot be executed by the melody data after
development.
In the explanations below, the symbols "<" and ">" used in the pseudo-instruction format indicate the
contents of the statement. These symbols are not actually written. "_" indicates one or more spaces or tabs.
The symbol, constant, arithmetic expression and so forth is written in "".
5.1 Address-Setting Pseudo-Instruction
■ ORG (ORIGIN)
ORG_ Sets location counter
The ORG instruction sets the value of in the location counter.
If the ORG instruction does not head the source file, the location counter is set to 0 and assembly is
performed. The ORG instruction can be used in multiple places in the program. However, it cannot be
set in a location ahead of the current location counter, otherwise all the statements will be invalid until
the next correct setting is performed, and "!" (Warning) is displayed.
When a value exceeding the ROM capacity is specified, an R error results.
5.2 Option-Setting Pseudo-Instructions
■ Tempo selection
The 2 types of tempo may be selected from
among 16 types by using the option-setting
pseudo-instructions (".TEMPC0 = n") and
(".TEMPC1 = n").
The option-setting pseudo-instructions and
the corresponding tempo generated are
shown in Table 5.2.1.
The 2 types of tempo for TEMPC0 and
TEMPC1 are selected by specifying n.
The proper use of the 2 types of tempo
selected is specified through the software.
The 2 types of tempo which may selected
are: TEMPC0 to be played when "0" is
written on the TEMPC register (address:
F2H, data bit: D1) and the TEMPC1 to be
played when "1" is written on the said
register. Table 5.2.1 Tempo setting
■ .TEMPC0
.TEMPC0=n Sets TEMPC0 (n = 0–15)
The TEMPC0 option is set by specifying n as an integer in the range 0 to 15.
This setting cannot be omitted.
30
32
34.3
36.9
40
43.6
48
53.3
.TEMPC0 = 0
.TEMPC1 = 0
.TEMPC0 = 1
.TEMPC1 = 1
.TEMPC0 = 2
.TEMPC1 = 2
.TEMPC0 = 3
.TEMPC1 = 3
.TEMPC0 = 4
.TEMPC1 = 4
.TEMPC0 = 5
.TEMPC1 = 5
.TEMPC0 = 6
.TEMPC1 = 6
.TEMPC0 = 7
.TEMPC1 = 7 60
68.6
80
96
120
160
240
480
.TEMPC0 = 8
.TEMPC1 = 8
.TEMPC0 = 9
.TEMPC1 = 9
.TEMPC0 = 10
.TEMPC1 = 10
.TEMPC0 = 11
.TEMPC1 = 11
.TEMPC0 = 12
.TEMPC1 = 12
.TEMPC0 = 13
.TEMPC1 = 13
.TEMPC0 = 14
.TEMPC1 = 14
.TEMPC0 = 15
.TEMPC1 = 15
Tempo
symbol Tempo
symbol Option-setting
pseudo-instruction
Option-setting
pseudo-instruction