SliTaz Repositories

     1.1 --- a/plop/stuff/bootloader.S	Wed Aug 19 13:03:10 2020 +0000
     1.2 +++ b/plop/stuff/bootloader.S	Wed Apr 20 15:10:50 2022 +0000
     1.3 @@ -20,12 +20,13 @@
     1.4  /* some extra features */
     1.5  #define EXE_SUPPORT		real mode dos .exe file support	+208/264
     1.6  #define  CMDLINE		dos kernel cmdline support	+45
     1.7 +#define  BUGGY_CMDLINE		verify cmdline length		+2
     1.8  #define  VCPI			VCPI 4.0 support (386+)		+109
     1.9  #define  SHUTDOWNDOS		shutdown DOS services		+29
    1.10  
    1.11  /* some contraints to reduce the code size */
    1.12  //#define FLOPPY_1440K_ONLY	1.44M floppies support only	-26
    1.13 -#define FLOPPY_HAS_2_SIDES	hardcoded heads count to 2	-15
    1.14 +//#define FLOPPY_HAS_2_SIDES	hardcoded heads count to 2	-15
    1.15  //#define NO_CMDLINE_SHRINK	remove heading spaces ?		-6-21
    1.16  //#define  NO_CMDLINE_FILE	remove @cmdline file support ?	-21
    1.17  //#define NO_DOTS		show progression dots ?		-5
    1.18 @@ -313,8 +314,8 @@
    1.19  #else
    1.20  	subw	%ax, %bx
    1.21  	jnc	forward
    1.22 +	//movw	$0x8FFF, %ax
    1.23  	movb	$0x90, %ah
    1.24 -	;decw	%ax
    1.25  forward:
    1.26  	movw	%ax, %es
    1.27  	movw	%ax, %di
    1.28 @@ -356,7 +357,12 @@
    1.29  	lodsb
    1.30  	cbw
    1.31  	xchgw	%ax, %cx
    1.32 +#ifdef BUGGY_CMDLINE
    1.33 +	test	%cl, %cl		# C=O=0, set S & Z
    1.34 +	jng	nocmdline		# Z == 1 or O != S ?
    1.35 +#else
    1.36  	jcxz	nocmdline
    1.37 +#endif
    1.38  # if defined(BZIMAGE) && BZIMAGE >= 0x202
    1.39  	movw	$INITSEG/16+stacktop/256, EXEADRS(cmd_line_ptr+1)
    1.40  # else