步进电机启动停止正反转控制程序的汇编语言的实现

DELAY1MSMACROTIME；延时宏命令LOCALAALOCALBBPUSHCXMOVCX,TIMEAA:PUSHCXMOVCX,1000BB:NOPLOOPBBPOPCXLOOPAAPOPCXENDMDATASEGMENTTABADB01H,03H,02H,06H,04H,05H；正转的模型TABBDB05H,04H,06H,02H,03H,01H；反转的模型DATAENDSCODESEGMENTZZPROCNEARPUSHDSMOVAX,DATAMOVDS,AXMOVAX,0PUSHAXMOVDX,203HMOVAL,80HOUTDX,AL；8255的控制字设定MOVDX,200HMOVAL,0OUTDX,AL；先输出制动命令MOVCX,360；设定正转步数DD:MOVBL,6；六拍MOVDX,200HLEADI,TABA；指针指向正转的数字模型CC:MOVAL,[DI]OUTDX,ALDELAY1MS10INCDI；指针加1，指向下一步的数字模型DECBL；拍数减1JNZCC；六拍未结束，则继续循环LOOPDD；360个周期的六拍未结束，继续循环ZZENDPFZPROCNEARMOVCX,400；设定反转步数FF:MOVBL,6MOVDX,200HLEADI,TABB；指针指向反转的数字模型EE:MOVAL,[DI]OUTDX,ALDELAY1MS10DECDI；指针减1，指向反转下一步数字模型DECBLJNZEELOOPFFFZENDPMOVDX,200HMOVAL,0OUTDX,AL；结束后，输出制动命令RETMAINENDPCODEENDSENDSTART