Browse code
Modified assembler errors
neauoire authored on 04/07/2021 03:24:36
Showing 2 changed files
| ... | ... |
@@ -5,8 +5,10 @@ |
| 5 | 5 |
%++ { ADD2 } %-- { SUB2 } %** { MUL2 } %// { DIV2 }
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| 6 | 6 |
%<< { LTH2 } %>> { GTH2 } %== { EQU2 } %!! { NEQ2 }
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| 7 | 7 |
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-%DEBUG { .Console/byte DEO #0a .Console/char DEO }
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-%DEBUG2 { .Console/short DEO2 #0a .Console/char DEO }
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+%DEBUG { ;print-hex JSR2 #0a .Console/write DEO }
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+%DEBUG2 { SWP ;print-hex JSR2 ;print-hex JSR2 #0a .Console/write DEO }
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+ |
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+%RTN { JMP2r }
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| 10 | 12 |
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( devices ) |
| 12 | 14 |
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| ... | ... |
@@ -27,20 +29,68 @@ |
| 27 | 29 |
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| 28 | 30 |
|0000 |
| 29 | 31 |
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+@lista $3 |
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+@listb $3 |
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+@listc $3 |
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+ |
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( program ) |
| 31 | 37 |
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| 32 | 38 |
|0100 ( -> ) |
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- ;deferred |
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- ,relative |
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- .zero-page |
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- :immediate |
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+ ( theme ) |
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+ #0fe5 .System/r DEO2 |
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+ #0fc5 .System/g DEO2 |
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+ #0f25 .System/b DEO2 |
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+ |
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+ #01 .lista #00 + STZ |
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+ #02 .lista #01 + STZ |
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+ #03 .lista #02 + STZ |
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+ |
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+ #10 .listb #00 + STZ |
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+ #20 .listb #01 + STZ |
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+ #30 .listb #02 + STZ |
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+ |
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+ .lista .listb .listc ;add-lists-loop JSR2 |
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+ |
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+ .listc LDZ DEBUG |
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+ .listc #01 + LDZ DEBUG |
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+ .listc #02 + LDZ DEBUG |
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+ |
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+BRK |
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+ |
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+( Write a Forth word to add together two integer |
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+vectors (a.k.a. arrays) of three elements each. ) |
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+ |
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+@add-lists-linear ( a b c -- ) |
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+ |
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+ STH |
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+ ( a[0] b[0] + ) LDZk STH SWP LDZk STHr + STHkr STZ |
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+ ( a[1] b[1] + ) #01 + LDZk STH SWP #01 + LDZk STHr + STHkr #01 + STZ |
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+ ( a[2] b[2] + ) #01 + LDZ SWP #01 + LDZ + STHr #02 + STZ |
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+ |
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+RTN |
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+ |
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+@add-lists-loop ( a b c -- ) |
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+ |
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+ STH |
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+ #00 #03 |
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+ &loop |
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+ ( get incr ) OVR STH |
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+ ( get a[x] ) OVR2 STHkr ADD LDZ |
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+ ( get b[x] ) SWP STHkr ADD LDZ |
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+ ( set c[x] ) ADD STHr STHkr ADD STZ |
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+ ( incr ) SWP #01 ADD SWP |
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+ LTHk ,&loop JCN |
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+ POP2 POP2 POPr |
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| 38 | 85 |
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- |goto |
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- $padding |
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+JMP2r |
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| 41 | 87 |
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- @label |
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- &sublabel |
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+@print-hex ( value -- ) |
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+ |
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+ STHk #04 SFT ,&parse JSR .Console/write DEO |
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+ STHr #0f AND ,&parse JSR .Console/write DEO |
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+ RTN |
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+ &parse ( value -- char ) |
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+ DUP #09 GTH ,&above JCN #30 ADD RTN &above #09 SUB #60 ADD RTN |
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| 44 | 95 |
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- #value |
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- "string |
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\ No newline at end of file |
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+RTN |
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| 48 | 98 |
\ No newline at end of file |
| ... | ... |
@@ -221,7 +221,7 @@ walktoken(char *w) |
| 221 | 221 |
res += walktoken(m->items[i]); |
| 222 | 222 |
return res; |
| 223 | 223 |
} |
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- return error("Unknown label in first pass", w);
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+ return error("Invalid token", w);
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} |
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static int |
| ... | ... |
@@ -328,7 +328,7 @@ pass2(FILE *f) |
| 328 | 328 |
if(skipblock(w, &cmacr, '{', '}')) continue;
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| 329 | 329 |
if(w[0] == '|') {
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| 330 | 330 |
if(p.length && shex(w + 1) < p.ptr) |
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- return error("Pass 2 - Memory Overwrite", w);
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+ return error("Pass 2 - Memory overwrite", w);
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p.ptr = shex(w + 1); |
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continue; |
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} else if(w[0] == '$') {
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| ... | ... |
@@ -366,7 +366,7 @@ main(int argc, char *argv[]) |
| 366 | 366 |
{
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FILE *f; |
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if(argc < 3) |
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- return !error("Input", "Missing");
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+ return !error("Usage", "input.tal output.rom");
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if(!(f = fopen(argv[1], "r"))) |
| 371 | 371 |
return !error("Open", "Failed");
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| 372 | 372 |
if(!pass1(f) || !pass2(f)) |