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(blank.tal) Cleaned up

This commit is contained in:
neauoire 2021-12-11 14:28:10 -08:00
parent 6e810a080d
commit 63c589490c
1 changed files with 39 additions and 53 deletions
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92
projects/examples/blank.tal
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@ -1,14 +1,24 @@
( a blank file )
%+ { ADD } %- { SUB } %/ { DIV }
%< { LTH } %> { GTH } %= { EQU } %! { NEQ }
%++ { ADD2 } %-- { SUB2 } %// { DIV2 }
%<< { LTH2 } %>> { GTH2 } %== { EQU2 } %!! { NEQ2 }
%+ { ADD } %- { SUB } %* { MUL } %/ { DIV }
%< { LTH } %> { GTH } %= { EQU } %! { NEQ }
%++ { ADD2 } %-- { SUB2 } %** { MUL2 } %// { DIV2 }
%<< { LTH2 } %>> { GTH2 } %== { EQU2 } %!! { NEQ2 }
%DEBUG { ;print-hex JSR2 #0a .Console/write DEO }
%DEBUG2 { SWP ;print-hex JSR2 ;print-hex JSR2 #0a .Console/write DEO }
%2* { #10 SFT } %2/ { #01 SFT } %2** { #10 SFT2 } %2// { #01 SFT2 }
%4* { #20 SFT } %4/ { #02 SFT } %4** { #20 SFT2 } %4// { #02 SFT2 }
%8* { #30 SFT } %8/ { #03 SFT } %8** { #30 SFT2 } %8// { #03 SFT2 }
%10* { #40 SFT } %10/ { #04 SFT } %10** { #40 SFT2 } %10// { #04 SFT2 }
%20* { #50 SFT } %20/ { #05 SFT } %20** { #50 SFT2 } %20// { #05 SFT2 }
%RTN { JMP2r }
%2MOD { #01 AND } %2MOD2 { #0001 AND2 }
%4MOD { #03 AND } %4MOD2 { #0003 AND2 }
%8MOD { #07 AND } %8MOD2 { #0007 AND2 }
%10MOD { #0f AND } %10MOD2 { #000f AND2 }
%DEBUG { ;print-hex/byte JSR2 #0a18 DEO }
%DEBUG2 { ;print-hex JSR2 #0a18 DEO }
%RTN { JMP2r }
( devices )
@ -28,10 +38,6 @@
|0000
@lista $3
@listb $3
@listc $3
( program )
|0100 ( -> )
@ -41,55 +47,35 @@
#0fc5 .System/g DEO2
#0f25 .System/b DEO2
#01 .lista STZ
#02 .lista INC STZ
#03 .lista #02 + STZ
#10 .listb STZ
#20 .listb INC STZ
#30 .listb #02 + STZ
.lista .listb .listc ;add-lists-loop JSR2
.listc LDZ DEBUG
.listc INC LDZ DEBUG
.listc #02 + LDZ DEBUG
BRK
( Write a Forth word to add together two integer
vectors (a.k.a. arrays) of three elements each. )
@add-lists-linear ( a b c -- )
@print-hex ( value* -- )
STH
( a[0] b[0] + ) LDZk STH SWP LDZk STHr + STHkr STZ
( a[1] b[1] + ) INC LDZk STH SWP INC LDZk STHr + STHkr INC STZ
( a[2] b[2] + ) INC LDZ SWP INC LDZ + STHr #02 + STZ
SWP ,&byte JSR
&byte ( byte -- )
STHk #04 SFT ,&parse JSR #18 DEO
STHr #0f AND ,&parse JSR #18 DEO
RTN
&parse ( byte -- char ) DUP #09 GTH ,&above JCN #30 + RTN
&above #57 + RTN
RTN
@add-lists-loop ( a b c -- )
STH
#00 #03
&loop
( get incr ) OVR STH
( get a[x] ) OVR2 STHkr ADD LDZ
( get b[x] ) SWP STHkr ADD LDZ
( set c[x] ) ADD STHr STHkr ADD STZ
( incr ) SWP INC SWP
LTHk ,&loop JCN
POP2 POP2 POPr
@print-dec ( value* -- )
JMP2r
#2710 DIV2k DUP #30 ADD #18 DEO MUL2 SUB2
#03e8 DIV2k DUP #30 ADD #18 DEO MUL2 SUB2
#0064 DIV2k DUP #30 ADD #18 DEO MUL2 SUB2
#000a DIV2k DUP #30 ADD #18 DEO MUL2 SUB2
#30 ADD #18 DEO POP
@print-hex ( value -- )
STHk #04 SFT ,&parse JSR .Console/write DEO
STHr #0f AND ,&parse JSR .Console/write DEO
RTN
&parse ( value -- char )
DUP #09 GTH ,&above JCN #30 ADD RTN &above #09 SUB #60 ADD RTN
RTN
@print-str ( string* -- )
1--
&while
INC2 LDAk DUP #18 DEO ,&while JCN
POP2
RTN