Zilog Z80230 - Manual (Page 250)

SCC/ESCC
User Manual
UM010903-0515 Application Notes
243
Table lists a program example for the Z180/SCC DMA transfer test.
Program Example – Z180 CPU Macro Instructions (Continued)
db 10000011B
endm
otimr macro
db 11101101B
db 10010011B
endm
otdm macro
db 11101101B
db 10001011B
endm
otdmr macro
db 11101101B
db 10011011B
endm
tstio macro ?p
db 11101101B
db 01110100B
db ?p
endm
tst macro ?r
db 11101101B
ifid <?r>,<(hl)>
db 00110100B
else
ifdef ?&?r
db 00000100B+(?&?r AND 7) SHL 3
else
db 01100100B
db ?r
endif
endif
endm
.list
end