;컴컴컴컴컴컴컴컴컴컴컴컴컴컴컴컴컴컴컴컴컴컴컴컴컴컴컴컴컴컴컴컴컴컴컴컴컴� ; run time parameters ;컴컴컴컴컴컴컴컴컴컴컴컴컴컴컴컴컴컴컴컴컴컴컴컴컴컴컴컴컴컴컴컴컴컴컴컴컴� DOS_START EQU 1*1024*1024 ; this is where we will copy 512k base. FLOPPER_START EQU 512*1024/16 ; segment flopper loads just above 512k REGS_START EQU DOS_START+(512*1024) ; 1k of storage for regs+misc DISK_START EQU REGS_START+(512*1024)+1024 ; storage for disk image ;컴컴컴컴컴컴컴컴컴컴컴컴컴컴컴컴컴컴컴컴컴컴컴컴컴컴컴컴컴컴컴컴컴컴컴컴컴� ; standard diskette info ;컴컴컴컴컴컴컴컴컴컴컴컴컴컴컴컴컴컴컴컴컴컴컴컴컴컴컴컴컴컴컴컴컴컴컴컴컴� SECTOR_SIZE EQU 512 SIZE160K EQU 1*08*40*512 ; 1 sided, 8spt, 40 tracks SIZE180K EQU 1*09*40*512 ; 1 sided, 9spt, 40 tracks SIZE200K EQU 1*10*40*512 ; 1 sided, 10spt, 40 tracks SIZE320K EQU 2*08*40*512 ; 2 sided, 8spt, 40 tracks SIZE360K EQU 2*09*40*512 ; 2 sided, 9spt, 40 tracks SIZE400K EQU 2*10*40*512 ; 2 sided, 10spt, 40 tracks SIZE720K EQU 2*09*80*512 ; 2 sided, 9spt, 80 tracks ; diskette base error numbers NO_DISK_ERROR EQU 00h ; a-ok status DISK_WP_ERROR EQU 03h ; write protected diskette SECTOR_NOT_FOUND_ERROR EQU 04h ; sector not found DISK_CHANGED_ERROR EQU 06h ; diskette changed value ;컴컴컴컴컴컴컴컴컴컴컴컴컴컴컴컴컴컴컴컴컴컴컴컴컴컴컴컴컴컴컴컴컴컴컴컴컴� ; flags and misc ;컴컴컴컴컴컴컴컴컴컴컴컴컴컴컴컴컴컴컴컴컴컴컴컴컴컴컴컴컴컴컴컴컴컴컴컴컴� DISK_CHANGE EQU BIT0 ; flag set for disk change DISK_WRITTEN EQU BIT1 ; set if disk image changed DISK_PROTECTED EQU BIT2 ; set if disk is write prot. REVECTORED EQU BIT6 ; flag set when INt 9 is revectored SCREENSHOT EQU BIT7 ; flag for screenshot requested F12_SCAN_CODE EQU 58h ; 58=F12 call up chooser ;컴컴컴컴컴컴컴컴컴컴컴컴컴컴컴컴컴컴컴컴컴컴컴컴컴컴컴컴컴컴컴컴컴컴컴컴컴� ; video registers ;컴컴컴컴컴컴컴컴컴컴컴컴컴컴컴컴컴컴컴컴컴컴컴컴컴컴컴컴컴컴컴컴컴컴컴컴컴� CGA_CONTROL_REGISTER EQU 03d8h ;컴컴컴컴컴컴컴컴컴컴컴컴컴컴컴컴컴컴컴컴컴컴컴컴컴컴컴컴컴컴컴컴컴컴컴컴컴� ; assemble time parameters ;컴컴컴컴컴컴컴컴컴컴컴컴컴컴컴컴컴컴컴컴컴컴컴컴컴컴컴컴컴컴컴컴컴컴컴컴컴� DEBUG EQU 0 ; turn on the debugger RESETVECTORS EQU 1 ; use "virgin" interrupt vector table. ; this should only be disabled when debugging F12 EQU 1 ; enable F12 screenshots SLOWCPU EQU 0 ; slowdown CPU support code DETECT_CPU EQU 1 ; bail if CPU is not 386+