/bootimg$ (cd ../ldosboot; nasm boot.asm -I ../lmacros/ -D_LOAD_NAME="'LDEBUG'" -D_FAT16=0 -D_MAP=boot12.map -l boot12.lst -o boot12.bin; nasm boot.asm -I ../lmacros/ -D_LOAD_NAME="'LDDEBUGU'" -D_FAT16=0 -D_MAP=boot12lu.map -l boot12lu.lst -o boot12lu.bin; cp boot12lu.bin -a bootsect.dos) && nasm bootimg.asm -I ../lmacros/ -I ../ldosboot/ -o bootimg.img -l bootimg.lst -D_PAYLOADFILE="'../ldebug/bin/ldebug.com',../ldebug/bin/lddebugu.com,bootimg.asm,test.lds,test2.lds,test3.lds,test4.lds,test5.lds,test6.lds,test7.lds,../ldosboot/testpl.com,../ldosboot/boot12lu.bin,../ldosboot/bootsect.dos,../rxdos-7.2x/bin/RxDOS.COM,../rxdos-7.2x/bin/RxCMD.EXE,../RxDOS7Z.COM, [...] /local/share/dosemu/dosemu2-cmds-0.2/dosemu/exitemu.com" -D_BOOTFILE="'boot12.bin'" && qemu-system-i386 -boot order=ca -drive file=bootimg.img,index=0,if=floppy,format=raw -machine type=pc,accel=kvm:tcg -smp cpus=1 -name "lDebug/RxDOS test machine" -net nic -net user,hostfwd=tcp::33022-:22 -chardev serial,id=serial2,path=/tmp/vptty-qemu-machine -serial null -serial chardev:serial2 -curses

boot protocol=rxdos.3 rxdos7z.com
g
g
r f cy
g [repeating]
ver /r
rxdos7z int3

  Build on 2020-02-01
  Copyright (C) 1990-1999 Mike Podanoffsky
  Copyright (C) 2008-2018 C. Masloch

 Reported DOS version (Int21.3000): 7.10 OEM: 5Eh
 Reported true DOS version (Int21.3306): 7.25
 Version string (Int21.33FF): RxDOS version 7.25 [hg 18b570ba9f5b+] [2020-02-01]

 Invalid opcodet3
 AX=B5C1 BX=0001 CX=8200 DX=5F81 SP=DD9A BP=297E SI=82A4 DI=0000
 DS=5C4F ES=B613 SS=1329 CS=4613 IP=77FD NV UP EI PL NZ NA PO NC
 4613:77FD 63B2AEC3          arpl    [bp+si+C3AE], si               SS:6FD0=0000
 -dm 60
 PSP: 0000
 0060 4D 1319 000B    176 B RXCMD
 006C 4D 0000 0002     32 B
 006F 4D 0008 003B    944 B S type 01 S_DOSENTRY
 00AB 4D 0008 0745   29 KiB S type 03 S_DOSDATA
 07F1 4D 0008 0992   38 KiB S type 02 S_DOSCODE
 1184 4D 0008 0021    528 B S type 0A S_SFT
 11A6 4D 0008 0011    272 B S type 0A S_SFT
 11B8 4D 0008 001C    448 B S type 06 S_CDS
 11D5 4D 0008 0142    5 KiB S type 07 S_LFNCDS
 1318 4D 1319 0841   33 KiB RXCMD
 -

 -?build
 lDebug (2020-01-31)
 Source Control Revision ID: hg 1acf6a83cc4d
 Uses lmacros:  Revision ID hg fefc1b13b477
 Uses symsnip:  Revision ID hg ec88e71db326
 Uses scanptab: Revision ID hg 0e53081c1531
 Uses inicomp:  Revision ID hg 0a8ab05e4140
 Uses ldosboot: Revision ID hg 5815f5ba238b
 -