Cody Boone Ferguson
47874d3820
Renamed road.to.obscurity road.to.obscurity.md and make it markdown format. Add try.sh and try.this.txt which the script uses. Format check README.md file, road.to.obscurity.md, spoilers.md. The man pages have not been typo checked yet. The try.sh script might be improved and there is another issue that is pending that prevents completion of this entry (or potentially does) but it is mostly complete.
68 lines
2.1 KiB
Plaintext
68 lines
2.1 KiB
Plaintext
memory map: B [128,i/o] A [128,tokens] x [32,hexconv] o [224,registers]
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Memory is "allocated" from the stack, by taking a local (stack) variable
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and subtracting 64k -- thereby leaving plenty of room for even relatively
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large stack frames during recursion.
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i main(i,c**) parse command line or stdin, assignments, print result, error recovery
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i64 _ dot
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c *A lexical tokens
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c *B input buffer
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td C unsigned
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c D some state between funcs
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c *E error string, end pointer
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i64 F() expr: + - ^ |
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uc G() non-local goto
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#d H unsigned
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#d I typedef
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td J jmp_buf
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c *K pointer to cmd line args
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td L char
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v M(u64) detect errors, save answer in dot, format result in decimal and hex
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c *N freebie NULL pointer
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td O unsigned char
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td P void
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td Q int
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#d R return
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c S syntax error + tokens
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c *T current token pointer
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v U(c*) print the registers
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td V long long
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#d W(x) for(;x;)
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td X long - only for rule2sp.c
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td Y unsigned short
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td Z unsigned long long
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i64 a derived: 32
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i64 b derived: 1
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i64 _b(i64) term: << >> >>>
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i64 c derived: 10
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i64 _c(c*) convert binary global j to ASCII decimal
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i64 d freebie: 0
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v _d(i64) accumulate converted ASCII bytes into j in base passed in
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i64 e derived: 256
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i64 f derived: 2
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i64 _f() convert from ASCII to binary: selects convert base (10,8,16), result in j
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u64 g(u16) byte swap 16-bits
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u64 h(u32) byte swap 32-bits
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i64 i(u64) select size and byte swap minimal bytes
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v _i(c*) conditional print
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i64 j holds partial/accumulated results
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*() k ptr-to-func-getchar
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i _k() get chars from saved cmd line
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jb l for parser error recovery
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c m() scans input for token, ignores whitespace
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c n() get next input character
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i64 *o registers
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u32 p(c*) writes to stdout until NUL, newline appended intelligently
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v q(**) init
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i64 r(c) writes c to stdout
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i64 s derived: 8
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i64 t derived: 4
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i64 u derived: 3
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c v current input token
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i64 w() read from stdin until newline or semi, skips blank lines + comments, return len
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c *x aptly named hex conversion table
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i64 y() term: * / % & (<< >> >>>)
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i64 z() factor ~ ! ? -/+ () VAR NUM DOT
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