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TempleOSCD_150216.ISO

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Terry A. Davis authored and minexew committed 2018-09-08 21:46:15 +02:00
1 parent 64f679eeb9
commit 401601816c
531 files changed
+23341 -22071
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Adam/Boot/BootMHD2.CPP
+9 -6
View File
@@ -1,14 +1,17 @@
#define MODULE_SIZE 2*BLK_SIZE
#define BOOT_HIGH_LOC ((BOOT_RAM_LIMIT-(BOOT_STK_SIZE+MODULE_SIZE))>>4)
#define BOOT_HIGH_LOC_MHD2 ((BOOT_RAM_LIMIT-(BOOT_STK_SIZE+MODULE_SIZE))>>4)
DefinePrint(
"DD_BOOT_HIGH_LOC_MHD2","%08X",BOOT_HIGH_LOC_MHD2<<4);
asm {
USE16
BMHD2_START::
MOV U32 FS:[0],'B'+0x2000+('2'+0x2000)<<16
MOV AX,BOOT_HIGH_LOC
MOV AX,BOOT_HIGH_LOC_MHD2
MOV ES,AX
//Copy this bootloader code to just under 0x80000
//This copies this bootloader's code to 0x$TX,"00096A00",D="DD_BOOT_HIGH_LOC_MHD2"$
MOV AX,CS
MOV DS,AX
MOV U32 [BMHD2_OLD_CS_IP-BMHD2_START],EBX
@@ -19,12 +22,12 @@ BMHD2_START::
XOR DI,DI
REP_MOVSB
MOV AX,BOOT_HIGH_LOC
MOV AX,BOOT_HIGH_LOC_MHD2
MOV DS,AX
//My assembler doesn't support 16-bit very well.
DU8 0xEA; //JMP BOOT_HIGH_LOC:BMHD2_HISTART
DU16 BMHD2_HISTART-BMHD2_START,BOOT_HIGH_LOC;
DU8 0xEA; //JMP BOOT_HIGH_LOC_MHD2:BMHD2_HISTART
DU16 BMHD2_HISTART-BMHD2_START,BOOT_HIGH_LOC_MHD2;
BMHD2_BOOT_MSG::
DU8 256 DUP(0);