version 1.3, 1998/12/11 22:54:27
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version 1.4, 1998/12/13 23:29:58
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Line 25 Create magicbuf 8 allot
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Line 25 Create magicbuf 8 allot
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Variable bswap? |
Variable bswap? |
Variable tchars |
Variable tchars |
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Variable tcell |
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: bswap ( n -- n' ) bswap? @ 0= ?EXIT 0 |
: bswap ( n -- n' ) bswap? @ 0= ?EXIT 0 |
over 24 rshift $FF and or |
over 24 rshift $FF and or |
Line 37 Variable tchars
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Line 38 Variable tchars
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magicbuf s" Gforth" tuck compare 0= UNTIL |
magicbuf s" Gforth" tuck compare 0= UNTIL |
ELSE true abort" No magic found" THEN |
ELSE true abort" No magic found" THEN |
magicbuf 6 + c@ digit? drop tchars ! |
magicbuf 6 + c@ digit? drop tchars ! |
magicbuf 7 + c@ 1 and 0= [ pad off 1 pad ! pad c@ 1 = ] Literal = bswap? ! |
magicbuf 7 + c@ digit? drop dup -2 and tcell ! |
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1 and 0= [ pad off 1 pad ! pad c@ 1 = ] Literal = bswap? ! |
rdrop ; |
rdrop ; |
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Create image-header 4 cells allot |
Create image-header 4 cells allot |
Line 57 Variable bitmap-chars
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Line 59 Variable bitmap-chars
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: read-bitmap ( fd -- ) >r |
: read-bitmap ( fd -- ) >r |
bitmap bitmap-chars @ r> read-file throw drop ; |
bitmap bitmap-chars @ r> read-file throw drop ; |
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: .08x ( n -- ) 0 <# # # # # # # # # 'x hold '0 hold #> type ; |
: .08x ( n -- ) 0 <# tcell @ 0 ?DO # # LOOP 'x hold '0 hold #> type ; |
: .02x ( n -- ) 0 <# # # 'x hold '0 hold #> type ; |
: .02x ( n -- ) 0 <# tchars @ 0 ?DO # # LOOP 'x hold '0 hold #> type ; |
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: .image ( -- ) |
: .image ( -- ) |
image-cells @ 0 ?DO |
image-cells @ 0 ?DO |
Line 67 Variable bitmap-chars
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Line 69 Variable bitmap-chars
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: .reloc ( -- ) |
: .reloc ( -- ) |
bitmap-chars @ 0 ?DO |
bitmap-chars @ 0 ?DO |
I 8 + I' min I ?DO space bitmap I + c@ .02x ." ," LOOP cr |
I $10 + I' min I ?DO space |
8 +LOOP ; |
0 I tchars @ bounds ?DO 8 lshift bitmap I + c@ + LOOP |
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.02x ." ," tchars @ +LOOP cr |
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$10 +LOOP ; |
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: read-image ( addr u -- ) |
: read-image ( addr u -- ) |
r/o bin open-file throw >r |
r/o bin open-file throw >r |
Line 77 Variable bitmap-chars
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Line 81 Variable bitmap-chars
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r@ read-dictionary r@ read-bitmap r> close-file throw ; |
r@ read-dictionary r@ read-bitmap r> close-file throw ; |
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: .imagesize ( -- ) |
: .imagesize ( -- ) |
image-header 3 cells + @ bswap 1 cells / tchars @ * .08x ; |
image-header 3 cells + @ bswap tcell @ / tchars @ * .08x ; |
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: .relocsize ( -- ) |
: .relocsize ( -- ) |
bitmap-chars @ .08x ; |
bitmap-chars @ tchars @ / .08x ; |
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: fi2c ( addr u -- ) base @ >r hex |
: fi2c ( addr u -- ) base @ >r hex |
read-image |
read-image |