From 991f5788af0b27415a7555f08849e81c43f26c38 Mon Sep 17 00:00:00 2001
From: Terence Boldt <terence@boldt.ca>
Date: Fri, 15 Jan 2021 22:58:13 -0500
Subject: [PATCH] Fix full byte firmware

---
 Apple2/Firmware.asm             |  24 +++++++++++++++---------
 Apple2/Firmware.bin             | Bin 2048 -> 2048 bytes
 Apple2/Firmware_27256_EPROM.bin | Bin 0 -> 32768 bytes
 Apple2/driver_assemble.sh       |   6 ++++++
 4 files changed, 21 insertions(+), 9 deletions(-)
 create mode 100644 Apple2/Firmware_27256_EPROM.bin

diff --git a/Apple2/Firmware.asm b/Apple2/Firmware.asm
index cfbb583..c60f7a6 100644
--- a/Apple2/Firmware.asm
+++ b/Apple2/Firmware.asm
@@ -147,31 +147,37 @@ SendByte:
  pha 
 waitWrite: 
  lda InputFlags,x
- asl ;Second highest bit goes low when ready
- bmi waitWrite
+ ror
+ ror ;Second lowest bit goes low when ready
+ bcs waitWrite
  pla
  sta OutputByte,x
+ lda #$0e ; set bit 0 low to indicate write started
+ sta OutputFlags,x 
 finishWrite:
  lda InputFlags,x
- asl
- bpl finishWrite
- lda #$FF
+ ror
+ ror
+ bcc finishWrite
+ lda #$0f
  sta OutputFlags,x
  rts
 
 GetByte:
- lda #$b0 ;set read flag low
+ lda #$0d ;set read flag low
  sta OutputFlags,x
 waitRead:
  lda InputFlags,x
- bmi waitRead
+ ror
+ bcs waitRead
  lda InputByte
  pha
- lda #$f0 ;set all flags high
+ lda #$0f ;set all flags high
  sta OutputFlags,x
 finishRead:
  lda InputFlags,x
- bpl finishRead
+ ror
+ bcc finishRead
  pla
 end:
  rts
diff --git a/Apple2/Firmware.bin b/Apple2/Firmware.bin
index 1b61fbdbdcaac89dd150f693d9ffe5a1d32507d2..02b250daa9660e160dd470acaed472f1a41e6e33 100644
GIT binary patch
literal 2048
zcmd7NElUJJ9LMop&miJcG)@=H2Ge<W8f+HhM)4i^0v3ZPXEX>mg2D)bRzaNSnQQkF
zHkq#oYB~2Ov+S-QY!P<CpLzIB_+%uDvQD<m;<QT+XU{KDyqK?aBi*@YQ94L>(;iz$
z`(%^v#|w8mx83Q|IG(PJ=ca=#c97i6Ml%+zC!>gU$UP^XUkzV9pP#(5I6vPGFn04X
zipU9n>*vGv@gXlSdw%kfu({tIMMp#T)XSgI?Y*4w<KxHAqw90dR<2L^&w2RCR`Y$r
zmcz~C*TV(h`?*9g{5ndaKUZfnYwQ;d{DOE<^$Yj~`~rRfzbO2o^w&Fzj)o3?(FVV4
z;FrY9s$aq{;g|4B_+{ajrN7=$bToAE%QpB`1HU3(Rs9Nn1;2t{!LJIxD*g42qNAaM
zU$w!n8~8Qxy6V^PYxp(%8h%~)b?L8n6des6{JIT()4*?tH&wrZ-@tF+H}IRnZ%Ti?
zqv&Yp;5TjX+XjA1ysi2z{1$!-zlGlxep~wM9Yse&2fuBD-!<?%;$7A6;CJvl_#OPN
S@VnAq?<hJNI{4lH`M&{$3VM0~

literal 2048
zcmd7NElUJJ9LMq9JA)jCi^l1K7!4-xL4(a=+~`~I1uO<pG#U<WgcIgK&?<=YpGR%J
zgiYoxf}G*pAMUcd7PkmH;m<sLCwvl?1W7m95n;T`j+T#4LD<Vyyb%xPB8bQFUOW`5
z@rZ58gK+hBFxySnUc<Ei+DXUT;xM{dPM0EBkEVg>vbkg=uP>ip<jUKJ2($BSjIo!E
zX~0h8`zRZ3gb!JHHGFydj6~;m$I<b;dl+WV==Pt^WN&M6JUN%x^%r6}IhB#P&t`V9
z^>ue4_eJ`1>VF+a!QZR9nKbrO13xjMs-NH|_z8Z3p9(*f{(8sJ@w|hd+Td3W{ECsP
z`W5^Neg(gRUlo2;`s*D>$MX(;)ds(A;Ma_F)vw{#@N4)r{JQY#(qHd5I-Ym%>o)jJ
z1HWNps(u5%f#1My;5UWel>U0h(eb>4-?YJR8~80FTlHJ`E&LXK3%@P=w)EFKj*jOY
z{I(5#*TC->xvJm6@8EavJNRAUccs7HadbTI;CF5C`v!i`$XERyeh<Hg-^1?<zc2mu
Nj-%sw2fzP6|2O;SRk8p8

diff --git a/Apple2/Firmware_27256_EPROM.bin b/Apple2/Firmware_27256_EPROM.bin
new file mode 100644
index 0000000000000000000000000000000000000000..9d21953d63819ae60ad6b14c27dadacfa58e955c
GIT binary patch
literal 32768
zcmeI5J!=#}9Ea}`iy*$0mfH)dEv)ih*x6WK8S)MM0EdMrv9t(ega{iDVk-pqeK%b`
z!d2F31d}H2FU-x&2(nj>@LaLvF8>ryk(+1c|1z^=Hkz%@UZmscM)Lah`}t^mzkf}i
zO*c=|(R63JJKajxrrXJS_Hw-TW%Fd?>cPeM>dD2*)z0(u)#UT-@ohSKIyoMttI27W
zblIoFA6<6u@>e?U-=FO0vD-h6N6DM)=XU>Sw)F>n<j1Y<^7kZN`8&=i&e*tbTm7#U
zw|D+7J2*JI-amSurH_u@W_RxouhYl<&y)0_{p9TC>xXRb?n4C}-t13C|9q{k&z9!T
zm*CHnF8BF!@#o^t#h;5mpY!Jn{xHrc&e%Bd=P~dXOYj#-SNQye_zUqD;xEKs%=wE2
ze;8*JXKbAKix~LJCHTvvD}DY_{H6Fy@t5K+=ltb@Ka4YqGd52AWeoh)68u%tRX%?u
z{!09n_$%>ObN*_<AI2HQ85<}5DhB>~3I00iYM;Lre=Yu6{I&S&Ie)$2595sDjExh2
z9Rq)}1b>rsjnChRzY%{U{zm-GoWEJ{hjB)6#>R=iiGjaeg1=3=*5_}<--^E#e=GiW
z&fhNh!#JZjW8=i%#=y_|KkPrO|E&N1|9`lyv;OP*kM-Z~e^~$B{*U$F_XO5|`49X5
zyYC74AN&6Z&VShd5Bo3sfA;^r|Ay;2`+xTTod0wFZ}&f(|GWK9cuv6izx<!`f9L<4
z|3~2eoc|B|Kly+1|Gxi+d42N#@_+LG*8j-=JO3m9@7D>C|Cj%g|9AdN{a*zBOa0%l
z|5E=){h#l@;kr)!pZu5lKkL8L|2h8+`veU2|GocF|L^>d`u_<0kNW>%|D*n&`hVa5
z!n%Iy|K)$Su8;md`v08&g?R${|8)LG|DW@}Du(_i`u~RghyFkM|9t-m_x1Gu%YUf<
zv*%yb|2hAm{;$vfx;X*#|I7dA|9AdJ|9=GMfAs$k`!D_f^#A+*8?Nj0|I2^r|F`~2
z|G)F!uuqWsKlvZ^f6o7?|BJx?sQ(-GKkEOe|MUHi`ai#}pZ<UOFZ2Jb|1$sA`7iT-
z`|k-iCz$-d{Ga^4^MCUH5%@pze~0~_`M=En_x(Ry*O~t>|7HHa^<U=yJO5?=fA7EU
zo&e_m%YT{w@BEkf{}K2v_x}w0FZcg&|Bvs#;kwTKKk{Gh|FQnd{Xfos!#+Xg|I7cF
z|L^>d`Tr64AM^i*{g3(o%>VcOFRbe$|1bX||8M<|{J-<RFi*h!zw$rs|8@Sy{l5|T
QAN~Ks{zw1+|JMKi2m83E`Tzg`

literal 0
HcmV?d00001

diff --git a/Apple2/driver_assemble.sh b/Apple2/driver_assemble.sh
index d2c46b2..3831a93 100755
--- a/Apple2/driver_assemble.sh
+++ b/Apple2/driver_assemble.sh
@@ -10,3 +10,9 @@ ca65 Firmware.asm -D STARTSLOT=\$c500 -o Slot5.o --listing Firmware5.lst
 ca65 Firmware.asm -D STARTSLOT=\$c600 -o Slot6.o --listing Firmware6.lst
 ca65 Firmware.asm -D STARTSLOT=\$c700 -o Slot7.o --listing Firmware7.lst
 ld65 Slot0.o Slot1.o Slot2.o Slot3.o Slot4.o Slot5.o Slot6.o Slot7.o -o Firmware.bin -t none
+cat \
+Firmware.bin Firmware.bin Firmware.bin Firmware.bin \
+Firmware.bin Firmware.bin Firmware.bin Firmware.bin \
+Firmware.bin Firmware.bin Firmware.bin Firmware.bin \
+Firmware.bin Firmware.bin Firmware.bin Firmware.bin \
+> Firmware_27256_EPROM.bin