Download RX Debug - Renesas Electronics

CubeSuite+ V1.03.00
APPENDIX B I/O FUNCTIONS
PUTC
Outputs 1 byte to standard output.
[Function Code (R1 Register)]
1 byte
0x01
1 byte
1 byte
1 byte
0x22
0x00
0x00
[Parameter Block (R2 Register)]
1 byte
1 byte
+0
Beginning address of
+2
output buffer
[Parameters]
Parameter
Beginning address of output buffer (input)
Description
Beginning address of the output buffer that contains output data
[Detailed Description]
- Outputs 1 byte to standard output.
[Example]
_charput:
MOV.L
#IO_BUF,R2
; Set the address of the output buffer in R2.
MOV.B
R1,[R2]
; Set the value of R1 (output character) in the output
MOV.L
#1220000h,R1
; Set the function code of PUTC in R1.
MOV.L
#PARM,R3
; Set the address of the parameter block in R3.
MOV.L
R2,[R3]
; Set the address of the output buffer in the output
MOV.L
R3,R2
; buffer.
; buffer.
; Set the value of R3 (address of the parameter block)
; in R2.
MOV.L
#SIM_IO,R3
; Set the address of the system call in R3.
JSR
R3
; System call
RTS
; Return to the address where the function was called.
.SECTION
PARM:
.BLKL
.SECTION
IO_BUF:
.BLKL
B,DATA,ALIGN=4
1
; Parameter block area
B_1,DATA
1
R20UT2175EJ0100 Rev.1.00
Oct 01, 2012
; Input/output buffer
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