; void putchar(char) LC3_GFLAG putchar LC3_GFLAG .FILL lc3_putchar lc3_putchar STR R7, R6, #-3 STR R0, R6, #-2 LDR R0, R6, #0 OUT LDR R0, R6, #-2 LDR R7, R6, #-3 ADD R6, R6, #-1 RET