diff options
| -rw-r--r-- | 03/in02 | 430 | ||||
| -rw-r--r-- | 03/in03 | 5 |
2 files changed, 415 insertions, 20 deletions
@@ -57,10 +57,22 @@ jg if 1 greater than number of bytes read :-ef end of file BR DR pointer to character we just read +zA +lb +BA +im +##20. ' ' +je +:-rL ignore spaces +im +##9. '\t' +je +:-rL ignore tabs +BD im ##1. +B -RA +RA increment pointer BD zA lb @@ -90,6 +102,10 @@ im ##3a. ascii ':' je :-ld label definition +im +##3f. ascii '?' +je +:-?j jm :-ex // label definition @@ -282,6 +298,364 @@ im JA jm :-s= keep looping +// conditional jump handling +::?j +cc +// set A to register. takes rbx='0','A','B','C','D','I','J','R','S', outputs instruction to file +::Ar +im +##30. '0' +je +:-A0 +im +##41. 'A' +je +:-r0 just return +im +##42. 'B' +je +:-AB +im +##43. 'C' +je +:-AC +im +##44. 'D' +je +:-AD +im +##49. 'I' +je +:-AI +im +##4a. 'J' +je +:-AJ +im +##52. 'R' +je +:-AR +im +##53. 'S' +je +:-AS +jm +:-!r +// emit instruction for "set A to 0". +::A0 +zA neat trick we can just put the instruction here; it doesn't screw anything up +im +--A0 +IA +im +##2. +DA +jm +:-wr +// emit "set A to B" +::AB +AB +im +--AB +IA +im +##3. +DA +jm +:-wr +// emit "set A to C" +::AC +AC +im +--AC +IA +im +##3. +DA +jm +:-wr +// emit "set A to D" +::AD +AD +im +--AD +IA +im +##3. +DA +jm +:-wr +// emit "set A to I" +::AI +AI +im +--AI +IA +im +##3. +DA +jm +:-wr +// emit "set A to J" +::AJ +AJ +im +--AJ +IA +im +##3. +DA +jm +:-wr +// emit "set A to R" +::AR +AR +im +--AR +IA +im +##3. +DA +jm +:-wr +// emit "set A to S" +::AS +AS +im +--AS +IA +im +##3. +DA +jm +:-wr +// set B to register. takes rbx='A','B','C','D','I','J','R','S' outputs instruction to file +::Br +im +##41. 'A' +je +:-BA +im +##42. 'B' +je +:-r0 just return +im +##43. 'C' +je +:-BC +im +##44. 'D' +je +:-BD +im +##49. 'I' +je +:-BI +im +##4a. 'J' +je +:-BJ +im +##52. 'R' +je +:-BR +im +##53. 'S' +je +:-BS +jm +:-!r +// emit "set B to A" +::BA +BA +im +--BA +IA +im +##3. +DA +jm +:-wr +// emit "set B to C" +::BC +BC +im +--BC +IA +im +##3. +DA +jm +:-wr +// emit "set B to D" +::BD +BD +im +--BD +IA +im +##3. +DA +jm +:-wr +// emit "set B to I" +::BI +BI +im +--BI +IA +im +##3. +DA +jm +:-wr +// emit "set B to J" +::BJ +BJ +im +--BJ +IA +im +##3. +DA +jm +:-wr +// emit "set B to R" +::BR +BR +im +--BR +IA +im +##3. +DA +jm +:-wr +// emit "set B to S" +::BS +BS +im +--BS +IA +im +##3. +DA +jm +:-wr +// set register to A. takes rbx='A','B','C','D','I','J','R','S' outputs instruction to file +::rA +im +##41. 'A' +je +:-r0 just return +im +##42. 'B' +je +:-BA +im +##43. 'C' +je +:-CA +im +##44. 'D' +je +:-DA +im +##49. 'I' +je +:-IA +im +##4a. 'J' +je +:-JA +im +##52. 'R' +je +:-RA +im +##53. 'S' +je +:-SA +jm +:-!r +// emit "set C to A" +::CA +im +--C) +IA +im +##3. +DA +jm +:-wr +::C) +CA +// emit "set D to A" +::DA +DA +im +--DA +IA +im +##3. +DA +jm +:-wr +// emit "set I to A" +::IA +IA +im +--IA +IA +im +##3. +DA +jm +:-wr +// emit "set J to A" +::JA +JA +im +--JA +IA +im +##3. +DA +jm +:-wr +// emit "set R to A" +::RA +im +--R) +IA +im +##3. +DA +jm +:-wr +::R) +RA +// emit "set S to A" +::SA +im +--S) +IA +im +##3. +DA +jm +:-wr +::S) +SA +// write to output file from rsi..rsi+rdx +::wr +im +##4. +JA +im +##1. +sy +re // return 0 ::r0 zA @@ -418,34 +792,38 @@ jm AJ re return // bad number -::bn +::!n im -##2. stderr -JA -im ---BN error message +--!N error message IA im ##b. length of error message DA -im -##1. write -sy -im -##1. jm -:-ex +:-er // bad label -::bl -im -##2. stderr -JA +::!l im ---BL error message +--!L error message IA im ##a. length of error message DA +jm +:-er +::!r bad register +im +--!R error message +IA +im +##d. +DA +jm +:-er +::er error -- write error message in rsi with length in rdx +im +##2. stderr +JA im ##1. write sy @@ -474,7 +852,7 @@ jm '0 '3 00 -::BN bad number error message +::!N bad number error message 'B 'a 'd @@ -486,7 +864,7 @@ jm 'e 'r \n -::BL bad label error message +::!L bad label error message 'B 'a 'd @@ -497,6 +875,20 @@ jm 'e 'l \n +::!R bad register error message +'B +'a +'d +20 +'r +'e +'g +'i +'s +'t +'e +'r +\n ::LI line buffer ~~ ::L$ end of current label list @@ -1,4 +1,4 @@ -:lbab + :l ba b ;J=d0 A=d60 sys x3c @@ -9,4 +9,7 @@ B+=J B<=d9 B-=J ?J<B:label +?J=B:label +?A!B:label +?A>B:label A=:label |