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cc65/libsrc/lynx/defdir.s
Greg King 7118c9236b Fixed the cart directory build code to handle even simple programs.
Carts can be built containing programs that don't link some segments.
2022-01-31 08:14:26 -05:00

30 lines
859 B
ArmAsm

;
; Karri Kaksonen, 2011
;
; A default directory with just the main executable.
;
.include "lynx.inc"
.import __STARTOFDIRECTORY__
.import __MAIN_START__
.import __STARTUP_LOAD__, __BSS_LOAD__
.import __BANK0BLOCKSIZE__
.export __DEFDIR__: absolute = 1
; ------------------------------------------------------------------------
; Lynx directory
.segment "DIRECTORY"
__DIRECTORY_START__:
off0 = __STARTOFDIRECTORY__ + (__DIRECTORY_END__ - __DIRECTORY_START__)
blocka = off0 / __BANK0BLOCKSIZE__
; Entry 0 - first executable
block0 = off0 / __BANK0BLOCKSIZE__
len0 = __BSS_LOAD__ - __STARTUP_LOAD__
.byte <block0
.word off0 & (__BANK0BLOCKSIZE__ - 1)
.byte $88
.word __MAIN_START__
.word len0
__DIRECTORY_END__: