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Load a multi-sector file and execute it

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This commit is contained in:
Byron Lathi
2023-08-14 20:44:27 -07:00
parent 3bd022107e
commit a657957ae2
2 changed files with 67 additions and 15 deletions
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14
sw/bios/boot2.s
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@@ -13,6 +13,14 @@ _start:
ldx #>str
jsr _cputs
str: .byte "This is a very long message which would otherwise"
.byte "take up a lot of space in the bootsector, where space"
.byte "is at quite a premium.", $00
str: .byte "This is a very long message which would otherwise "
.byte "take up a lot of space in the bootsector, where space "
.byte "is at quite a premium. In fact, this string is as "
.byte "long as all the rest of the bootloader code, presuming "
.byte "I stretch it out long enough. It is quite remarkable "
.byte "Just how much you can do with so few bytes. Only a couple "
.byte "hundred are required to start up a modern computer. "
.byte "This is, of course, not a modern computer, but I want it "
.byte "to act like it in a way. This means using a modern "
.byte "(well, in the sense that its from 1996 and not 1983)"
.byte "anyway, I've exceeded 512 bytes now so good luck.", $00