微處理器 - STMicroelectronics STM8S103 - Assembly - LED

表格


main.s

    .equ PB_ODR, 0x5005
    .equ PB_IDR, 0x5006
    .equ PB_DDR, 0x5007
    .equ PB_CR1, 0x5008
    .equ PB_CR2, 0x5009

    .area data
    .area sseg
    .area home
    int main

    .area cseg
main:
    mov PB_DDR, #0x20
    mov PB_CR1, #0x20

loop:
    ld a, PB_ODR
    xor a, #0x20
    ld PB_ODR, a
    ldw x, #30000 
d0:
    decw x
    jrne d0
    jp loop

編譯、燒錄

$ sdasstm8 -o main.s
$ sdldstm8 -ni -b home=0x8000 -b cseg=0x8080 -b data=0x0001 -b sseg=0xffff main.rel
$ sudo stm8flash -c stlinkv2 -p stm8s103f3 -u
    Determine OPT area
    Due to its file extension (or lack thereof), "Workaround" is considered as RAW BINARY format!
    Unlocked device. Option bytes reset to default state.
    Bytes written: 11

$ sudo stm8flash -c stlinkv2 -p stm8s103f3 -s flash -w main.ihx
    Determine FLASH area
    Due to its file extension (or lack thereof), "main.ihx" is considered as INTEL HEX format!
    154 bytes at 0x8000... OK
    Bytes written: 154

完成