Sample Executions - Epson S5U1C63000A User Manual

CHAPTER 4: ASSEMBLER

4.9 Sample Executions

Command line
C:\EPSON\S1C63\bin\as63 -g -e -l main.s
Assembly source file
; main.s
; AS63 test program (main routine)
;
;***** INITIAL SP1 & SP2 ADDRESS DEFINITION *****
#ifdef SMALL_RAM
.set SP1_INIT_ADDR 0xb
#else
.set SP1_INIT_ADDR 0x4b
#endif
.set SP2_INIT_ADDR 0x1f
;***** NMI & BOOT, LOOP *****
.global INIT_RAM_BLK1
.global INC_RAM_BLK1
.org 0x100
NMI:
calr INIT_RAM_BLK1
reti
.org 0x110
BOOT:
ldb %ba,SP1_INIT_ADDR
ldb %sp1,%ba
ldb %ba,SP2_INIT_ADDR
ldb %sp2,%ba
calr INIT_RAM_BLK1
LOOP:
calr INC_RAM_BLK1
jr LOOP
;***** RAM block *****
.org 0x0
.bss
.comm RAM_BLK0, 4
.comm RAM_BLK1, 4
84
;SP1 init addr = 0x2c
;SP1 init addr = 0x12c
;SP2 init addr = 0x1f
; subroutine in sub.s
; subroutine in sub.s
; initialize RAM block 1
; in NMI(watchdog timer)
; set SP1
; set SP2
; initialize RAM block 1
; increment RAM block 1
; infinity loop
EPSON
S5U1C63000A MANUAL
(S1C63 FAMILY ASSEMBLER PACKAGE)