fix(serial): INITUART now loads FCR values properly

src/reset.s

@@ -28,7 +28,7 @@ NEXT@
   sta STACK_BOTTOM,x ; Write a zero and progress to the next byte
   leax 1,x
   cmpx #STACK_DEPTH  ; See if we're at the top of the stack yet
-  blo NEXT@          ; Loop if we aren't at the end yet
+  bne NEXT@          ; Loop if we aren't at the end yet
   lds #STACK_TOP     ; Set S to top of newly cleared stack
 
 BOOTSCR

src/serial.s

@@ -28,7 +28,7 @@ INITUART
   stb UART_DLL  ; Write divisor LSB
   puls b
   stb UART_LCR  ; Write LCR
-  lda UARTF_FCR_FE|UARTF_FCR_RFR|UARTF_FCR_XFR ; FIFO disable and clear
+  lda #(UARTF_FCR_FE|UARTF_FCR_RFR|UARTF_FCR_XFR) ; FIFO disable and clear
   sta UART_FCR
   lda #0
   sta UART_IER  ; Polled mode