From 0c0ddefe488a3ce779231517028a9347f59186db Mon Sep 17 00:00:00 2001
From: Terence Boldt <terence@boldt.ca>
Date: Tue, 26 Oct 2021 21:29:40 -0400
Subject: [PATCH] Update exec command firmware

---
 Apple2/AT28C64B.bin                       | Bin 8192 -> 8192 bytes
 Apple2/CommandFirmware.asm                |   5 +-
 Apple2/CommandFirmware.lst                | 168 +++++++++++-----------
 Apple2/DriveFirmware.lst                  |   2 +-
 Apple2/FileAccessFirmware.lst             |   2 +-
 Apple2/MenuFirmware.lst                   |   2 +-
 RaspberryPi/Apple2-IO-RPi.hdv             | Bin 33553920 -> 33553920 bytes
 RaspberryPi/apple2driver/handlers/exec.go |  25 +++-
 8 files changed, 110 insertions(+), 94 deletions(-)

diff --git a/Apple2/AT28C64B.bin b/Apple2/AT28C64B.bin
index 26928c7ae65510aeadf6621b8da3470dff542de3..4bbe3cde065196e069ac33cdcd842ea58295c927 100644
GIT binary patch
delta 1384
zcmZwBziZP$7{~E11vPEcHj`u!@;EqHI@!gsV;291I7kCu2mga~5r+~9$<V<cI4C8^
z$%#V|u{?L*A7>H8t%E2yb&zTtYEen>dCtQ-zT9*V$L9^Nt&Ob>*{b!1_$Ya~jgzx5
z#5W&K#tFTU;*<6E`0?#^*qn-F?w~*U3D>YWn5;E$e1;a(*zelqp6!18>m<r^2g&3-
z98cF0Y<w39+5u(F!I#eUE8QD6ZzXN9jjOBjSGV8C(f!(mR-MNu<5vF;UhRmx*tRFH
z2EV(_&ggmL(r8w@*c&RgDz++TRgkKPRe38n-b$UdDv&B_RaNUfXMI4{`M|ov)`!-*
zgMwCpb)Kx6t(vXcSv90OV%6Ttjki)~ts10`T6NX>)L8{t7Xs@pTc26$E(%%&)&;U=
zY|Yr3Ico-K7O`gD%8j>DXRR5?ENacF)>qE@nyia~b&sw4*1Cs+R)KYqtT|hAw&u>7
zLz+jdxwmrTt<+g-4l<8g^Q!f&v%Vv1J+K<KzPDC`f>wdGPS%301zQVeEg&r-*1}u4
z@mA`rwE$T}twq)P(OEx{bt$kOvh}mI9-^RCU|k|>$<~ssrL&fhmJw^|t=xDkb=F#f
zETh)4YW?c0$7Ed&tVeA9X01mkXcbtO$!geY*lL{BKx!gZ<E`9yD|OatK$@u4RIPuU
ZbxPKiz<SEonYEsxpw)lti`mLt<1g)Hk81z`

delta 1363
zcmZwBziSjx5Ww*zpj>`j?h27hirf<`Ln`wRq`b!eAr_LrTKFGa8WE9|g)M>vLkcA<
z;XMKtL4q>-^BIC-mm+9mks?GcMGO+|^v&eyEX%6~X66f@wWYPC-EN~F!j|{`ISg)!
z5I%jqh&?lf4{sNH@tdcMVr3}3v4ddnOFV#1I9O;ye8YU0hSrUHed^AyI|T>c;I=p$
zE_l#BmmbjBM4j-*^27V9j~+kqdh!L#&+q<T4FZVgqOHd4ttP%-#NFT-#DA9MOX$Vj
z=vC)#1npKdYTW6E2_h3jCKj0pKXD)vMq<NA(-ATeDsdo_I&#AzUlVeCcIH2FosgS|
z4AwzzM4O$tYw5U=rYKEOnp$Zp{L~>$S&9uyO-IsHsMH}%>(U)7l_Z_0NViF<NV*Mj
zhouunnxQm9X=bIF@H2-rV<|Q)H62Map)!Xwt4sH-^aDvJE7CoZekAE0$bFVh8flKw
z9HqIH=EBb%(wwE(u+(%U&4tPx(!4G`w9?NcovKJRNxzU(gFIyEl#v!FEl^rmX(9Z=
zAuU*n4NFZ&(n6@hAua0CV=Mhe(q=_^MAGjhJpy^m(x#D?C@oQ1T4^c#(jhHbiVaIm
zN77QL(jhJD(o-uvBk6QSdP35lBs~Fn%F<~g)hN{{)mEy7uN_j&QfydiI+ALkv_q=v
b(km++lC)KkUXpY~(o2w6|D^9mt+DoB3YCa5

diff --git a/Apple2/CommandFirmware.asm b/Apple2/CommandFirmware.asm
index fd3c0ed..043b682 100644
--- a/Apple2/CommandFirmware.asm
+++ b/Apple2/CommandFirmware.asm
@@ -99,9 +99,11 @@ sendNullTerminator:
  jsr SendByte
 DumpOutput:
  jsr GetByte
+ bcs skipOutput
  cmp #$00
  beq endOutput
  jsr PrintChar
+skipOutput:
  bit Keyboard ;check for keypress
  bpl DumpOutput ;keep dumping output if no keypress
  lda Keyboard ;send keypress to RPi
@@ -147,7 +149,7 @@ waitRead:
  bpl waitRead
  lda #$1f ;set all flags high and exit
  sta OutputFlags
- lda #$ff
+ sec ;failure
  rts 
 readByte:
  lda InputByte
@@ -159,6 +161,7 @@ finishRead:
  rol
  bcc finishRead
  pla
+ clc ;success
 end:
  rts
 
diff --git a/Apple2/CommandFirmware.lst b/Apple2/CommandFirmware.lst
index d4e2b7b..fe511bc 100644
--- a/Apple2/CommandFirmware.lst
+++ b/Apple2/CommandFirmware.lst
@@ -1,4 +1,4 @@
-ca65 V2.17 - Raspbian 2.17-1
+ca65 V2.18 - N/A
 Main file   : CommandFirmware.asm
 Current file: CommandFirmware.asm
 
@@ -59,17 +59,17 @@ Current file: CommandFirmware.asm
 00C719  1               Start:
 00C719  1  20 00 C3      jsr $c300 ;enable 80 columns
 00C71C  1  A9 05         lda #$05 ;execute command
-00C71E  1  20 90 C7      jsr SendByte
+00C71E  1  20 92 C7      jsr SendByte
 00C721  1  A0 00         ldy #$00
 00C723  1               sendHelp:
-00C723  1  B9 89 C7      lda HelpCommand,y
+00C723  1  B9 8B C7      lda HelpCommand,y
 00C726  1  F0 06         beq endSendHelp
-00C728  1  20 90 C7      jsr SendByte
+00C728  1  20 92 C7      jsr SendByte
 00C72B  1  C8            iny
 00C72C  1  D0 F5         bne sendHelp
 00C72E  1               endSendHelp:
 00C72E  1  A9 00         lda #$00
-00C730  1  20 90 C7      jsr SendByte
+00C730  1  20 92 C7      jsr SendByte
 00C733  1  20 6B C7      jsr DumpOutput
 00C736  1               
 00C736  1  A5 33         lda $33
@@ -88,95 +88,97 @@ Current file: CommandFirmware.asm
 00C74D  1               SendCommand:
 00C74D  1  2C 10 C0      bit ClearKeyboard
 00C750  1  A9 05         lda #$05 ;send command 5 = exec
-00C752  1  20 90 C7      jsr SendByte
+00C752  1  20 92 C7      jsr SendByte
 00C755  1  A0 00         ldy #$00
 00C757  1               getInput:
 00C757  1  B9 00 02      lda $0200,y
 00C75A  1  C9 8D         cmp #$8d
 00C75C  1  F0 08         beq sendNullTerminator
 00C75E  1  29 7F         and #$7f
-00C760  1  20 90 C7      jsr SendByte
+00C760  1  20 92 C7      jsr SendByte
 00C763  1  C8            iny
 00C764  1  D0 F1         bne getInput
 00C766  1               sendNullTerminator:
 00C766  1  A9 00         lda #$00
-00C768  1  20 90 C7      jsr SendByte
+00C768  1  20 92 C7      jsr SendByte
 00C76B  1               DumpOutput:
-00C76B  1  20 AE C7      jsr GetByte
-00C76E  1  C9 00         cmp #$00
-00C770  1  F0 16         beq endOutput
-00C772  1  20 ED FD      jsr PrintChar
-00C775  1  2C 00 C0      bit Keyboard ;check for keypress
-00C778  1  10 F1         bpl DumpOutput ;keep dumping output if no keypress
-00C77A  1  AD 00 C0      lda Keyboard ;send keypress to RPi
-00C77D  1  29 7F         and #$7f
-00C77F  1  20 90 C7      jsr SendByte
-00C782  1  2C 10 C0      bit ClearKeyboard
-00C785  1  18            clc
-00C786  1  90 E3         bcc DumpOutput
-00C788  1               endOutput:
-00C788  1  60            rts
-00C789  1               
-00C789  1               HelpCommand:
-00C789  1  61 32 68 65   .byte "a2help",$00
-00C78D  1  6C 70 00     
-00C790  1               
-00C790  1               SendByte:
-00C790  1  48            pha
-00C791  1               waitWrite:
-00C791  1  AD FB C0      lda InputFlags
-00C794  1  2A            rol
-00C795  1  2A            rol
-00C796  1  B0 F9         bcs waitWrite
-00C798  1  68            pla
-00C799  1  8D FD C0      sta OutputByte
-00C79C  1  A9 1E         lda #$1e ; set bit 0 low to indicate write started
-00C79E  1  8D F7 C0      sta OutputFlags
-00C7A1  1               finishWrite:
-00C7A1  1  AD FB C0      lda InputFlags
-00C7A4  1  2A            rol
-00C7A5  1  2A            rol
-00C7A6  1  90 F9         bcc finishWrite
-00C7A8  1  A9 1F         lda #$1f
-00C7AA  1  8D F7 C0      sta OutputFlags
-00C7AD  1  60            rts
-00C7AE  1               
-00C7AE  1               GetByte:
-00C7AE  1  A9 1D         lda #$1d ;set read flag low
-00C7B0  1  8D F7 C0      sta OutputFlags
-00C7B3  1               waitRead:
-00C7B3  1  AD FB C0      lda InputFlags
-00C7B6  1  2A            rol
-00C7B7  1  90 0D         bcc readByte
-00C7B9  1  2C 00 C0      bit Keyboard ;keypress will abort waiting to read
-00C7BC  1  10 F5         bpl waitRead
-00C7BE  1  A9 1F         lda #$1f ;set all flags high and exit
-00C7C0  1  8D F7 C0      sta OutputFlags
-00C7C3  1  A9 FF         lda #$ff
-00C7C5  1  60            rts
-00C7C6  1               readByte:
-00C7C6  1  AD FE C0      lda InputByte
-00C7C9  1  48            pha
-00C7CA  1  A9 1F         lda #$1f ;set all flags high
-00C7CC  1  8D F7 C0      sta OutputFlags
-00C7CF  1               finishRead:
-00C7CF  1  AD FB C0      lda InputFlags
-00C7D2  1  2A            rol
-00C7D3  1  90 FA         bcc finishRead
-00C7D5  1  68            pla
-00C7D6  1               end:
-00C7D6  1  60            rts
-00C7D7  1               
-00C7D7  1  00 00 00 00  .repeat	251-<end
-00C7DB  1  00 00 00 00  
-00C7DF  1  00 00 00 00  
-00C7E3  1  00 00 00 00  
-00C7E7  1  00 00 00 00  
-00C7EB  1  00 00 00 00  
-00C7EF  1  00 00 00 00  
-00C7F3  1  00 00 00 00  
-00C7F7  1  00 00 00 00  
-00C7FB  1  00           
+00C76B  1  20 B0 C7      jsr GetByte
+00C76E  1  B0 07         bcs skipOutput
+00C770  1  C9 00         cmp #$00
+00C772  1  F0 16         beq endOutput
+00C774  1  20 ED FD      jsr PrintChar
+00C777  1               skipOutput:
+00C777  1  2C 00 C0      bit Keyboard ;check for keypress
+00C77A  1  10 EF         bpl DumpOutput ;keep dumping output if no keypress
+00C77C  1  AD 00 C0      lda Keyboard ;send keypress to RPi
+00C77F  1  29 7F         and #$7f
+00C781  1  20 92 C7      jsr SendByte
+00C784  1  2C 10 C0      bit ClearKeyboard
+00C787  1  18            clc
+00C788  1  90 E1         bcc DumpOutput
+00C78A  1               endOutput:
+00C78A  1  60            rts
+00C78B  1               
+00C78B  1               HelpCommand:
+00C78B  1  61 32 68 65   .byte "a2help",$00
+00C78F  1  6C 70 00     
+00C792  1               
+00C792  1               SendByte:
+00C792  1  48            pha
+00C793  1               waitWrite:
+00C793  1  AD FB C0      lda InputFlags
+00C796  1  2A            rol
+00C797  1  2A            rol
+00C798  1  B0 F9         bcs waitWrite
+00C79A  1  68            pla
+00C79B  1  8D FD C0      sta OutputByte
+00C79E  1  A9 1E         lda #$1e ; set bit 0 low to indicate write started
+00C7A0  1  8D F7 C0      sta OutputFlags
+00C7A3  1               finishWrite:
+00C7A3  1  AD FB C0      lda InputFlags
+00C7A6  1  2A            rol
+00C7A7  1  2A            rol
+00C7A8  1  90 F9         bcc finishWrite
+00C7AA  1  A9 1F         lda #$1f
+00C7AC  1  8D F7 C0      sta OutputFlags
+00C7AF  1  60            rts
+00C7B0  1               
+00C7B0  1               GetByte:
+00C7B0  1  A9 1D         lda #$1d ;set read flag low
+00C7B2  1  8D F7 C0      sta OutputFlags
+00C7B5  1               waitRead:
+00C7B5  1  AD FB C0      lda InputFlags
+00C7B8  1  2A            rol
+00C7B9  1  90 0C         bcc readByte
+00C7BB  1  2C 00 C0      bit Keyboard ;keypress will abort waiting to read
+00C7BE  1  10 F5         bpl waitRead
+00C7C0  1  A9 1F         lda #$1f ;set all flags high and exit
+00C7C2  1  8D F7 C0      sta OutputFlags
+00C7C5  1  38            sec ;failure
+00C7C6  1  60            rts
+00C7C7  1               readByte:
+00C7C7  1  AD FE C0      lda InputByte
+00C7CA  1  48            pha
+00C7CB  1  A9 1F         lda #$1f ;set all flags high
+00C7CD  1  8D F7 C0      sta OutputFlags
+00C7D0  1               finishRead:
+00C7D0  1  AD FB C0      lda InputFlags
+00C7D3  1  2A            rol
+00C7D4  1  90 FA         bcc finishRead
+00C7D6  1  68            pla
+00C7D7  1  18            clc ;success
+00C7D8  1               end:
+00C7D8  1  60            rts
+00C7D9  1               
+00C7D9  1  00 00 00 00  .repeat	251-<end
+00C7DD  1  00 00 00 00  
+00C7E1  1  00 00 00 00  
+00C7E5  1  00 00 00 00  
+00C7E9  1  00 00 00 00  
+00C7ED  1  00 00 00 00  
+00C7F1  1  00 00 00 00  
+00C7F5  1  00 00 00 00  
+00C7F9  1  00 00 00     
 00C7FC  1               .byte 0
 00C7FC  1               .endrepeat
 00C7FC  1               
diff --git a/Apple2/DriveFirmware.lst b/Apple2/DriveFirmware.lst
index 6991f1f..e4d2ee9 100644
--- a/Apple2/DriveFirmware.lst
+++ b/Apple2/DriveFirmware.lst
@@ -1,4 +1,4 @@
-ca65 V2.17 - Raspbian 2.17-1
+ca65 V2.18 - N/A
 Main file   : DriveFirmware.asm
 Current file: DriveFirmware.asm
 
diff --git a/Apple2/FileAccessFirmware.lst b/Apple2/FileAccessFirmware.lst
index 9b31632..454a42b 100644
--- a/Apple2/FileAccessFirmware.lst
+++ b/Apple2/FileAccessFirmware.lst
@@ -1,4 +1,4 @@
-ca65 V2.17 - Raspbian 2.17-1
+ca65 V2.18 - N/A
 Main file   : FileAccessFirmware.asm
 Current file: FileAccessFirmware.asm
 
diff --git a/Apple2/MenuFirmware.lst b/Apple2/MenuFirmware.lst
index db8acab..a14f558 100644
--- a/Apple2/MenuFirmware.lst
+++ b/Apple2/MenuFirmware.lst
@@ -1,4 +1,4 @@
-ca65 V2.17 - Raspbian 2.17-1
+ca65 V2.18 - N/A
 Main file   : MenuFirmware.asm
 Current file: MenuFirmware.asm
 
diff --git a/RaspberryPi/Apple2-IO-RPi.hdv b/RaspberryPi/Apple2-IO-RPi.hdv
index bbed502f9b62fe9215cc9a47646409751b6186cc..61bc1d2a4eb67f2ee10cf2bc1fa0ce1f88de8a98 100755
GIT binary patch
delta 3746
zcmZwHd6d=jAII^Tm<pwcgy`G8TgsB`dzO%0L?Ok5?7JcfnMz^MB9x5WTx*i*J9jN9
zAwr5IA=QLRtKai^fA^d_Gw1&Cc+Nd@KJRm0_m7#u+yARK7}1VJb$hmN+n`0k%7VZT
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z*l1Kmhx%bz5ihvO{JM7AL7BS^|G$fd(OUBgDjEiBcXTKS>#vU#gqa7NH5#>|cb`uE
z`wkdb&@D1NY}YQjrGH6DSURp*VdI1A_<CbmlagU!m)?;PVYkdjpN-nuztNZ;y_$@f
zSX8TYXS2elgGQG-xZJ_z*}>&Oae1D><+;J$<OXw>8C)Jj%kvH{uReHecJO!xH?KUn
z)WH)ngG<8*&#De??%<e%V-AjG2gicqSf0VL++c5VgSpELjs?+J-odfzgQsQ(M;P3q
z^57{Bo|YLrC5-T_>fja*jypK+;COa$JSdLm863|I_9i!&yUgHt5RK;@9IrljW_Iu_
z2Dhv{c)EjUX9iCXBRs1*xTS*=4o)~YksX`}iW7MTCvt<m$qnW%GdK}M6L|+Gst=x@
z9lU_Sttt;rJ9uGca5{|etm@!a4o*5a>EL8`a55-P<{6yK4fZBCn7hp2WDrf}9h|H_
zcxiU<G6uJ<Ja~zNmuChq2_rnKI=HoiQw~l!IF%io3W`&C2B&g^y~z#cE;Be4L{oVO
zr>YNLlO4R4!EGuJUhUv@nZc{W2+yhxZsXvzgVPR9X9uT);&h(D>D*v%a)Y_c3{D5p
zbl$<~>Vvms2k&5T+scDCJ9uYi@a8bWv&w^q?QC0!8rTK9q6jrn3$?KucE=v5gSyxg
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z9F9)tj3aO)j>6ICf@9DX$Kp5~j}verPQuAJ1*hUPoQ^YaCc5D)oQ-pEF1q79oR168
z0~g{VT#QR_DK5k1xB@+KC9Xm*T#akc8+~vsuEX`{iyP1n{c$61LNNy5X54~XF%Y-m
zcHDtGaTo5!J-8S5;eI@T2k{Ud#vlyFBX|@;@EC^TaSX!~coI)xIG#ocMqngH;Tep^
z7(9#T@H|TK0$#*R7>jWjj|q4g6Y&aO#cP;^$#@-8@CM58CZ^&oL@*6+BZ_zMF5biY
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zhGsw0$n0+pFbA5(<{)#hX<`D?)HE~AO$*b~v@)$t8<Y7m?flf<bTA#wA?8qXm^s{Z
zGM&v4=16mtIofnF$C$3>SaX~?-ke}gG$)yp%_-(obDBBboMFy1-OO3$Y;%q|*K{}M
zne)vBriZ!ETx2dbmzYb<W#)2oh3RRoG*_8k=4x||>23O$Yt41$dehh3VEUQ<=0<aq
zDK-Pl&E^(!s~Ko+Gq;;N%$?>gbGNz2+-vSL_nQaIgXSUguo+|qn@7x}W{7#r3^k9N
zVde?*q<P8=H&2@qGs28Cqs%jAv>9WbHP4ynO{saoyl7rBW6d}--b^qrn~CNX^Qw8x
zOfr+r>t>31!<3mf%~bQ2iI{2TZ4))`n0L*4=6&;l`Or)^ADJ2EV>8oyVrH4yW{wF>
zxrv#$NtmQbnY5W}=9y2;eDj%EU>2Is%_8%K`O<u47MrilH)e_X)_iBaH%rYAW|>)T
zel$Os73OEN()?mpnP1In^PBnI{9)FZKh0XR&a5{TW`p_5{B8a*8_g!O+5Bs^n5|};
S*=}~2orQDw?^jr3@&5pkKLS7i

delta 3665
zcmZwHd6>)v9LMn)S*fi1T-R?|x6M^Thg&N-5)sO}qQ+T{O0^_O+h$7|N7zDI>^QS-
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zS7*iK%!VbMsS)~wZp@d9)=Mz&uI1i2oVzWV<&BK&h8AbZYiSmz`L>QKCZCBP)O5tK
zkz*}!X^GDI_1D}Qk(A_2t!7WDVT~#t$>+0Dt0&EHrrwLUPw!-HVb7^yjZR2*vChRh
zS8$!nu(`slbA{G%6I!P`bDhg@xWcS+6<oI<xNf1juBJ7r(*Nu1tV>(ujMGxPGi`xA
zxsx^4o>P;dZic!U>JAQd8#Z^Cq3+O7ZbCzKXAX564tJQL?t(*C28X7ZLu0H_W&a<#
z+#Kp)sQqLcYxL}th*I{P7<PKt>0zfQxYJ|UJYjZvLOZz$?bMyQ(_=V1VRm{7?%W#O
zx!v4ZEC0@PbLWoSoo(}W)?%lZonCf&gFC&3%^PN?H?)(R&`#Z%JH3X(8)m1s;Lg3l
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diff --git a/RaspberryPi/apple2driver/handlers/exec.go b/RaspberryPi/apple2driver/handlers/exec.go
index 00bb8db..b0d72cb 100644
--- a/RaspberryPi/apple2driver/handlers/exec.go
+++ b/RaspberryPi/apple2driver/handlers/exec.go
@@ -116,18 +116,15 @@ func getStdout(stdout io.ReadCloser, done chan bool, userCancelled chan bool) {
 		default:
 			bb := make([]byte, 1)
 			n, err := stdout.Read(bb)
-			if err != nil || n == 0 {
+			if err != nil {
 				stdout.Close()
 				done <- true
 				return
 			}
-			b := bb[0]
-			fmt.Print(string(b))
-			if b == 10 { // convert LF to CR for Apple II compatiblity
-				b = 13
+			if n > 0 {
+				b := bb[0]
+				sendCharacter(b)
 			}
-			b |= 128
-			a2io.WriteByte(b)
 		}
 	}
 }
@@ -202,3 +199,17 @@ func a2wifiSelect(linuxCommand string) (string, error) {
 		"sudo wpa_cli -i wlan0 reconfigure"
 	return linuxCommand, nil
 }
+
+func sendCharacter(b byte) {
+	fmt.Print(string(b))
+	if b == 10 { // convert LF to CR for Apple II compatiblity
+		b = 13
+	}
+	if b == 9 { // convert TAB to spaces
+		b = ' '
+		b += 128
+		a2io.WriteByte(b)
+	}
+	b |= 128
+	a2io.WriteByte(b)
+}