📄 start.asm

📁 FreeRTOS is a portable, open source, mini Real Time Kernel - a free to download and royalty free RTO
💻 ASM
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#if (CRYSTAL == FREQ_8MHZ) && (CLOCK_SPEED == CPU_4MHZ_PLL_CLKP2_4MHZ)
#  if ((SERIES == MB96340) && (DEVICE < 3))
          MOVW PLLCR, #0x0060
          CLRB MFMCS:4
          CLRB MFMCS:5
          CLRB SFMCS:4
          CLRB SFMCS:5
          MOVW CKFCR, #0x1111
          MOV  CKSR,  #0xFA
#  else
          MOVW PLLCR, #0x0060
          MOVW CKFCR, #0x1111
          MOVW MFMTC, #0x2128
#    if SATELLITE_FLASH == ON
          MOVW SFMTC, #0x2128
#    endif ; SATELLITE_FLASH == ON
          MOV  CKSR,  #0xFA
#  endif ; ((SERIES == MB96340) && (DEVICE < 3))
#endif ; (CRYSTAL == FREQ_8MHZ) && (CLOCK_SPEED == CPU_4MHZ_PLL_CLKP2_4MHZ)

#if (CRYSTAL == FREQ_4MHZ) && (CLOCK_SPEED == CPU_8MHZ_CLKP2_8MHZ)
#  if ((SERIES == MB96340) && (DEVICE < 3))
          MOVW PLLCR, #0x00A1
          MOV  CKSR,  #0xFA
#  else
          MOVW PLLCR, #0x0043
          MOVW CKFCR, #0x1111
          MOVW MFMTC, #0x2128
#    if SATELLITE_FLASH == ON
          MOVW SFMTC, #0x2128
#    endif ; SATELLITE_FLASH == ON
          MOV  CKSR,  #0xFA
#  endif ; ((SERIES == MB96340) && (DEVICE < 3))
#endif ; (CRYSTAL == FREQ_4MHZ) && (CLOCK_SPEED == CPU_8MHZ_CLKP2_8MHZ)

#if (CRYSTAL == FREQ_8MHZ) && (CLOCK_SPEED == CPU_8MHZ_CLKP2_8MHZ)
#  if ((SERIES == MB96340) && (DEVICE < 3))
          MOVW PLLCR, #0x0060
          MOV  CKSR,  #0xFA
#  else
          MOVW PLLCR, #0x0081
          MOVW CKFCR, #0x1111
          MOVW MFMTC, #0x2128
#    if SATELLITE_FLASH == ON
          MOVW SFMTC, #0x2128
#    endif ; SATELLITE_FLASH == ON
          MOV  CKSR,  #0xFA
#  endif ; ((SERIES == MB96340) && (DEVICE < 3))
#endif ; (CRYSTAL == FREQ_8MHZ) && (CLOCK_SPEED == CPU_8MHZ_CLKP2_8MHZ)

#if (CRYSTAL == FREQ_4MHZ) && (CLOCK_SPEED == CPU_12MHZ_CLKP2_12MHZ)
#  if ((SERIES == MB96340) && (DEVICE < 3))
          MOVW PLLCR, #0x0062
          MOV  CKSR,  #0xFA
#  else
          MOVW PLLCR, #0x0025
          MOVW CKFCR, #0x1111
          MOVW MFMTC, #0x2128
#    if SATELLITE_FLASH == ON
          MOVW SFMTC, #0x2128
#    endif ; SATELLITE_FLASH == ON
          MOV  CKSR,  #0xFA
#  endif ; ((SERIES == MB96340) && (DEVICE < 3))
#endif ; (CRYSTAL == FREQ_4MHZ) && (CLOCK_SPEED == CPU_12MHZ_CLKP2_12MHZ)

#if (CRYSTAL == FREQ_8MHZ) && (CLOCK_SPEED == CPU_12MHZ_CLKP2_12MHZ)
#  if ((SERIES == MB96340) && (DEVICE < 3))
          MOVW PLLCR, #0x0082
          CLRB MFMCS:4
          CLRB MFMCS:5
          CLRB SFMCS:4
          CLRB SFMCS:5
          MOVW CKFCR, #0x1111
          MOV  CKSR,  #0xFA
#  else
          MOVW PLLCR, #0x0082
          MOVW CKFCR, #0x1111
          MOVW MFMTC, #0x2128
#    if SATELLITE_FLASH == ON
          MOVW SFMTC, #0x2128
#    endif ; SATELLITE_FLASH == ON
          MOV  CKSR,  #0xFA
#  endif ; ((SERIES == MB96340) && (DEVICE < 3))
#endif ; (CRYSTAL == FREQ_8MHZ) && (CLOCK_SPEED == CPU_12MHZ_CLKP2_12MHZ)

#if (CRYSTAL == FREQ_4MHZ) && (CLOCK_SPEED == CPU_16MHZ_CLKP2_16MHZ)
#  if ((SERIES == MB96340) && (DEVICE < 3))
          MOVW PLLCR, #0x0043
          MOV  CKSR,  #0xFA
#  else
          MOVW PLLCR, #0x0027
          MOVW CKFCR, #0x1111
          MOVW MFMTC, #0x2279
#    if SATELLITE_FLASH == ON
          MOVW SFMTC, #0x2279
#    endif ; SATELLITE_FLASH == ON
          MOV  CKSR,  #0xFA
#  endif ; ((SERIES == MB96340) && (DEVICE < 3))
#endif ; (CRYSTAL == FREQ_4MHZ) && (CLOCK_SPEED == CPU_16MHZ_CLKP2_16MHZ)

#if (CRYSTAL == FREQ_8MHZ) && (CLOCK_SPEED == CPU_16MHZ_CLKP2_16MHZ)
#  if ((SERIES == MB96340) && (DEVICE < 3))
          MOVW PLLCR, #0x0081
          MOV  CKSR,  #0xFA
#  else
          MOVW PLLCR, #0x0003
          MOVW CKFCR, #0x1111
          MOVW MFMTC, #0x2279
#    if SATELLITE_FLASH == ON
          MOVW SFMTC, #0x2279
#    endif ; SATELLITE_FLASH == ON
          MOV  CKSR,  #0xFA
#  endif ; ((SERIES == MB96340) && (DEVICE < 3))
#endif ; (CRYSTAL == FREQ_8MHZ) && (CLOCK_SPEED == CPU_16MHZ_CLKP2_16MHZ)

#if (CRYSTAL == FREQ_4MHZ) && (CLOCK_SPEED == CPU_24MHZ_CLKP2_12MHZ)
#  if ((SERIES == MB96340) && (DEVICE < 3))
          MOVW PLLCR, #0x0025
          MOVW CKFCR, #0x1001
          MOV  CKSR,  #0xFA
#  else
          MOVW PLLCR, #0x000B
          MOVW CKFCR, #0x3111
          MOVW MFMTC, #0x4C09
#    if SATELLITE_FLASH == ON
          MOVW SFMTC, #0x4C09
#    endif ; SATELLITE_FLASH == ON
          MOV  CKSR,  #0xFA
#  endif ; ((SERIES == MB96340) && (DEVICE < 3))
#endif ; (CRYSTAL == FREQ_4MHZ) && (CLOCK_SPEED == CPU_24MHZ_CLKP2_12MHZ)
					
#if (CRYSTAL == FREQ_8MHZ) && (CLOCK_SPEED == CPU_24MHZ_CLKP2_12MHZ)
#  if ((SERIES == MB96340) && (DEVICE < 3))
          MOVW PLLCR, #0x0082
          MOVW CKFCR, #0x1001
          MOV  CKSR,  #0xFA
#  else
          MOVW PLLCR, #0x0005
          MOVW CKFCR, #0x3111
          MOVW MFMTC, #0x4C09
#    if SATELLITE_FLASH == ON
          MOVW SFMTC, #0x4C09
#    endif ; SATELLITE_FLASH == ON
          MOV  CKSR,  #0xFA
#  endif ; ((SERIES == MB96340) && (DEVICE < 3))
#endif ; (CRYSTAL == FREQ_8MHZ) && (CLOCK_SPEED == CPU_24MHZ_CLKP2_12MHZ)
					
#if (CRYSTAL == FREQ_4MHZ) && (CLOCK_SPEED == CPU_32MHZ_CLKP2_16MHZ)
#  if ((SERIES == MB96340) && (DEVICE < 3))
#    error Setting prohibited due to 16FXFL0014
#  else
          MOVW PLLCR, #0x000F
          MOVW CKFCR, #0x3111
          MOVW MFMTC, #0x4C09
#    if SATELLITE_FLASH == ON
          MOVW SFMTC, #0x4C09
#    endif ; SATELLITE_FLASH == ON
          MOV  CKSR,  #0xFA
#  endif ; ((SERIES == MB96340) && (DEVICE < 3))
#endif ; (CRYSTAL == FREQ_4MHZ) && (CLOCK_SPEED == CPU_32MHZ_CLKP2_16MHZ)
					
#if (CRYSTAL == FREQ_8MHZ) && (CLOCK_SPEED == CPU_32MHZ_CLKP2_16MHZ)
#  if ((SERIES == MB96340) && (DEVICE < 3))
#    error Setting prohibited due to 16FXFL0014
#  else
          MOVW PLLCR, #0x0007
          MOVW CKFCR, #0x3111
          MOVW MFMTC, #0x4C09
#    if SATELLITE_FLASH == ON
          MOVW SFMTC, #0x4C09
#    endif ; SATELLITE_FLASH == ON
          MOV  CKSR,  #0xFA
#  endif ; ((SERIES == MB96340) && (DEVICE < 3))
#endif ; (CRYSTAL == FREQ_8MHZ) && (CLOCK_SPEED == CPU_32MHZ_CLKP2_16MHZ)

#if (CRYSTAL == FREQ_4MHZ) && (CLOCK_SPEED == CPU_32MHZ_CLKP1_16MHZ_CLKP2_16MHZ)
#  if ((SERIES == MB96340) && (DEVICE < 3))
#    error Setting prohibited due to 16FXFL0014
#  else
          MOVW PLLCR, #0x000F
          MOVW CKFCR, #0x3311
          MOVW MFMTC, #0x4C09
#    if SATELLITE_FLASH == ON
          MOVW SFMTC, #0x4C09
#    endif ; SATELLITE_FLASH == ON
          MOV  CKSR,  #0xFA
#  endif ; ((SERIES == MB96340) && (DEVICE < 3))
#endif ; (CRYSTAL == FREQ_4MHZ) && (CLOCK_SPEED == CPU_32MHZ_CLKP1_16MHZ_CLKP2_16MHZ)

#if (CRYSTAL == FREQ_8MHZ) && (CLOCK_SPEED == CPU_32MHZ_CLKP1_16MHZ_CLKP2_16MHZ)
#  if ((SERIES == MB96340) && (DEVICE < 3))
#    error Setting prohibited due to 16FXFL0014
#  else
          MOVW PLLCR, #0x0007
          MOVW CKFCR, #0x3311
          MOVW MFMTC, #0x4C09
#    if SATELLITE_FLASH == ON
          MOVW SFMTC, #0x4C09
#    endif ; SATELLITE_FLASH == ON
          MOV  CKSR,  #0xFA
#  endif ; ((SERIES == MB96340) && (DEVICE < 3))
#endif ; (CRYSTAL == FREQ_8MHZ) && (CLOCK_SPEED == CPU_32MHZ_CLKP1_16MHZ_CLKP2_16MHZ)

#if (CRYSTAL == FREQ_4MHZ) && (CLOCK_SPEED == CPU_48MHZ_CLKP2_16MHZ)
          MOVW PLLCR, #0x000B
          MOVW CKFCR, #0x2001
          MOVW MFMTC, #0x223A
#  if SATELLITE_FLASH == ON
          MOVW SFMTC, #0x223A
#  endif ; SATELLITE_FLASH == ON
          MOV  CKSR,  #0xFA
#endif ; (CRYSTAL == FREQ_4MHZ) && (CLOCK_SPEED == CPU_48MHZ_CLKP2_16MHZ)

#if (CRYSTAL == FREQ_8MHZ) && (CLOCK_SPEED == CPU_48MHZ_CLKP2_16MHZ)
          MOVW PLLCR, #0x0005
          MOVW CKFCR, #0x2001
          MOVW MFMTC, #0x223A
#  if SATELLITE_FLASH == ON
          MOVW SFMTC, #0x223A
#  endif ; SATELLITE_FLASH == ON
          MOV  CKSR,  #0xFA
#endif ; (CRYSTAL == FREQ_8MHZ) && (CLOCK_SPEED == CPU_48MHZ_CLKP2_16MHZ)

#if (CRYSTAL == FREQ_4MHZ) && (CLOCK_SPEED == CPU_56MHZ_CLKP2_14MHZ)
          MOVW PLLCR, #0x000D
          MOVW CKFCR, #0x3001
          MOVW MFMTC, #0x4B3B
#  if SATELLITE_FLASH == ON
          MOVW SFMTC, #0x4B3B
#  endif ; SATELLITE_FLASH == ON
          MOV  CKSR,  #0xFA
#endif ; (CRYSTAL == FREQ_4MHZ) && (CLOCK_SPEED == CPU_56MHZ_CLKP2_14MHZ)
	
#if (CRYSTAL == FREQ_8MHZ) && (CLOCK_SPEED == CPU_56MHZ_CLKP2_14MHZ)
          MOVW PLLCR, #0x0006
          MOVW CKFCR, #0x3001
          MOVW MFMTC, #0x4B3B
          MOV  MFMCS, #0x70
#  if SATELLITE_FLASH == ON
          MOVW SFMTC, #0x4B3B
          MOV  SFMCS, #0x70
#  endif ; SATELLITE_FLASH == ON
          MOV  VRCR,  #0xF6
          MOV  CKSR,  #0xFA
#endif ; (CRYSTAL == FREQ_8MHZ) && (CLOCK_SPEED == CPU_56MHZ_CLKP2_14MHZ)


;====================================================================
; 6.6  Set external bus configuaration
;====================================================================

#if BUSMODE != SINGLE_CHIP         ; ext bus used
           MOV  EBCF, #((HOLD_REQ << 7) | (EXT_READY << 6) | (EXT_CLOCK_ENABLE << 5) | (EXT_CLOCK_INVERT << 4) | (EXT_CLOCK_SUSPEND << 3) | EXT_CLOCK_DIVISION)
           MOV  EBAE0,#ADDR_PINS_7_0
           MOV  EBAE1,#ADDR_PINS_15_8
           MOV  EBAE2,#ADDR_PINS_23_16
           MOV  EBCS, #((ADDRESS_STROBE_LVL << 6) | (ADDRESS_STROBE << 5) | (READ_STROBE << 4) | (HIGH_WRITE_STROBE << 3) | (LOW_WRITE_STROBE << 2) | (HIGH_BYTE_SIGNAL << 1) | LOW_BYTE_SIGNAL)
           MOVW EACL0,#CS0_CONFIG
           MOVW EACL1,#CS1_CONFIG
           MOVW EACL2,#CS2_CONFIG
           MOVW EACL3,#CS3_CONFIG
           MOVW EACL4,#CS4_CONFIG
           MOVW EACL5,#CS5_CONFIG
           MOV  EAS2, #CS2_START
           MOV  EAS3, #CS3_START
           MOV  EAS4, #CS4_START
           MOV  EAS5, #CS5_START
           MOV  EBM,  #((ADDRESSMODE << 7) | ((BUSMODE-1) << 6) | (CHIP_SELECT5 << 5) | (CHIP_SELECT4 << 4) | (CHIP_SELECT3 << 3) | (CHIP_SELECT2 << 2) | (CHIP_SELECT1 << 1) | CHIP_SELECT0) ; set address mode, ROM access

#  if SERIES == MB96320 || SERIES == MB96340 || SERIES == MB96350
           MOV  PIER00,#0xFF
#    if (CS0_CONFIG & 0x0080) == 0 || (CS1_CONFIG & 0x0080) == 0 || (CS2_CONFIG & 0x0080) == 0 || (CS3_CONFIG & 0x0080) == 0 || (CS4_CONFIG & 0x0080) == 0 || (CS5_CONFIG & 0x0080) == 0
           MOV  PIER01,#0xFF
#    endif
#    if HOLD_REQ == ON
           SETB PIER03:4
#    endif
#    if EXT_READY == ON
           SETB PIER03:6
#    endif
#  else if SERIES == MB96380
           MOV  PIER01,#0xFF
#    if (CS0_CONFIG & 0x0080) == 0 || (CS1_CONFIG & 0x0080) == 0 || (CS2_CONFIG & 0x0080) == 0 || (CS3_CONFIG & 0x0080) == 0 || (CS4_CONFIG & 0x0080) == 0 || (CS5_CONFIG & 0x0080) == 0
           MOV  PIER02,#0xFF
#    endif
#    if HOLD_REQ == ON
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