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MFC: Restore the pre-5.x behavior of only beeping if the user makes a bad

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This commit is contained in:
jhb 2006-05-31 21:32:24 +00:00
parent 9e5278e648
commit efa0cd663d
1 changed files with 8 additions and 5 deletions
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13
sys/boot/i386/boot0/boot0.S
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@ -29,7 +29,7 @@
.set PRT_OFF,0x1be # Partition table
.set TBL0SZ,0x3 # Table 0 size
.set TBL1SZ,0xb # Table 1 size
.set TBL1SZ,0xa # Table 1 size
.set MAGIC,0xaa55 # Magic: bootable
.set B0MAGIC,0xbb66 # Identification
@ -198,12 +198,16 @@ main.7: movw $prompt,%si # Display
movb _OPT(%bp),%dl # Display
decw %si # default
callw putkey # key
jmp main.7_1 # Skip beep
/*
* Start of input loop. Beep and take note of time
* Users's last try was bad, beep in displeasure.
*/
main.10: movb $ASCII_BEL,%al # Signal
callw putchr # beep!
xorb %ah,%ah # BIOS: Get
/*
* Start of input loop. Take note of time
*/
main.7_1: xorb %ah,%ah # BIOS: Get
int $0x1a # system time
movw %dx,%di # Ticks when
addw _TICKS(%bp),%di # timeout
@ -410,7 +414,7 @@ tables:
* These values indicate bootable types we know the names of.
*/
.byte 0x1, 0x6, 0x7, 0xb, 0xc, 0xe, 0x83
.byte 0x9f, 0xa5, 0xa6, 0xa9
.byte 0xa5, 0xa6, 0xa9
/*
* These are offsets that match the known names above and point to the strings
* that will be printed. os_misc will be used if the search of the above table
@ -423,7 +427,6 @@ tables:
.byte os_dos-. # Windows
.byte os_dos-. # Windows
.byte os_linux-. # Linux
.byte os_bsd-. # BSD/OS
.byte os_freebsd-. # FreeBSD
.byte os_bsd-. # OpenBSD
.byte os_bsd-. # NetBSD