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shave another 4 bytes from stage0 monitor bu using `TRUE R11` for toggle

This commit is contained in:
Dmitry Petukhov 2019-10-11 12:55:07 +05:00
parent 2ba42c00c1
commit ecf9194374
No known key found for this signature in database
GPG Key ID: 2301D26BDC15160D
3 changed files with 18 additions and 18 deletions
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30
stage0/stage0_monitor.hex0
View File

@ -15,7 +15,7 @@
## along with stage0. If not, see <http://www.gnu.org/licenses/>. ## along with stage0. If not, see <http://www.gnu.org/licenses/>.
# :start ; offset = 0 # :start ; offset = 0
E0002D2B0001 # LOADUI R11 1 ; Our toggle 0D00003B # TRUE R11 ; Our toggle
E0002D2D0600 # LOADUI R13 0x600 ; Where we are starting our Stack E0002D2D0600 # LOADUI R13 0x600 ; Where we are starting our Stack
# ;; R14 will be storing our condition # ;; R14 will be storing our condition
0D00002F # FALSE R15 ; Our holder 0D00002F # FALSE R15 ; Our holder
@ -28,7 +28,7 @@ E0002D201100 # LOADUI R0 0x1100
E0002D201101 # LOADUI R0 0x1101 E0002D201101 # LOADUI R0 0x1101
42100001 # FOPEN_WRITE 42100001 # FOPEN_WRITE
# :loop ; offset = 24 # :loop ; offset = 22
0D000021 # FALSE R1 ; Read from tty 0D000021 # FALSE R1 ; Read from tty
42100100 # FGETC ; Read a Char 42100100 # FGETC ; Read a Char
E000A030000d # CMPSKIPI.NE R0 13 ; Replace all CR E000A030000d # CMPSKIPI.NE R0 13 ; Replace all CR
@ -38,17 +38,17 @@ E0002D20000a # LOADUI R0 10 ; WIth LF
# ;; Check for Ctrl-D # ;; Check for Ctrl-D
E000A0300004 # CMPSKIPI.NE R0 4 E000A0300004 # CMPSKIPI.NE R0 4
3C000110 # JUMP @finish 3C00010e # JUMP @finish
# ;; Check for EOF # ;; Check for EOF
E0002CC0010a # JUMP.NP R0 @finish E0002CC00108 # JUMP.NP R0 @finish
# ;; Write out unprocessed byte # ;; Write out unprocessed byte
E0002D211101 # LOADUI R1 0x1101 ; Write to TAPE_02 E0002D211101 # LOADUI R1 0x1101 ; Write to TAPE_02
42100200 # FPUTC ; Print the Char 42100200 # FPUTC ; Print the Char
# ;; Convert byte to nybble # ;; Convert byte to nybble
E0002D0D003e # CALLI R13 @hex ; Convert it E0002D0D003c # CALLI R13 @hex ; Convert it
# ;; Get another byte if nonhex # ;; Get another byte if nonhex
E0002CC0ffc2 # JUMP.NP R0 @loop ; Don't use nonhex chars E0002CC0ffc2 # JUMP.NP R0 @loop ; Don't use nonhex chars
@ -62,18 +62,18 @@ E100B0F0000f # ANDI R15 R0 0x0F ; Store First nibble
3C00ffae # JUMP @loop 3C00ffae # JUMP @loop
# ;; Combined second nybble in pair with first # ;; Combined second nybble in pair with first
# :second_nybble ; offset = 76 # :second_nybble ; offset = 74
E0002D5F0004 # SL0I R15 4 ; Shift our first nibble E0002D5F0004 # SL0I R15 4 ; Shift our first nibble
E100B000000f # ANDI R0 R0 0x0F ; Mask out top E100B000000f # ANDI R0 R0 0x0F ; Mask out top
0500000F # ADD R0 R0 R15 ; Combine nibbles 0500000F # ADD R0 R0 R15 ; Combine nibbles
# ;; Writeout and prepare for next cycle # ;; Writeout and prepare for next cycle
E0002D1B0001 # LOADI R11 1 ; Flip the toggle 0D00003B # TRUE R11 ; Flip the toggle
E0002D211100 # LOADUI R1 0x1100 ; Write the combined byte E0002D211100 # LOADUI R1 0x1100 ; Write the combined byte
42100200 # FPUTC ; To TAPE_01 42100200 # FPUTC ; To TAPE_01
3C00ff8a # JUMP @loop ; Try to get more bytes 3C00ff8c # JUMP @loop ; Try to get more bytes
# :hex ; offset = 9a # :hex ; offset = 96
# ;; Deal with line comments starting with # # ;; Deal with line comments starting with #
E1001FE00023 # CMPUI R14 R0 35 E1001FE00023 # CMPUI R14 R0 35
E0002C5E007e # JUMP.E R14 @ascii_comment E0002C5E007e # JUMP.E R14 @ascii_comment
@ -109,23 +109,23 @@ E0002C7E000e # JUMP.LE R14 @ascii_low
# ;; Ignore the rest # ;; Ignore the rest
3C00001e # JUMP @ascii_other 3C00001e # JUMP @ascii_other
# :ascii_num ; offset = FD # :ascii_num ; offset = FA
E10011000030 # SUBUI R0 R0 48 E10011000030 # SUBUI R0 R0 48
0D01001D # RET R13 0D01001D # RET R13
# :ascii_low ; offset = 108 # :ascii_low ; offset = 104
E10011000057 # SUBUI R0 R0 87 E10011000057 # SUBUI R0 R0 87
0D01001D # RET R13 0D01001D # RET R13
# :ascii_high ; offset = 112 # :ascii_high ; offset = 102
E10011000037 # SUBUI R0 R0 55 E10011000037 # SUBUI R0 R0 55
0D01001D # RET R13 0D01001D # RET R13
# :ascii_other ; offset = 11c # :ascii_other ; offset = 118
0D000030 # TRUE R0 0D000030 # TRUE R0
0D01001D # RET R13 0D01001D # RET R13
# :ascii_comment ; offset = 124 # :ascii_comment ; offset = 120
0D000021 # FALSE R1 ; Read from tty 0D000021 # FALSE R1 ; Read from tty
42100100 # FGETC ; Read another char 42100100 # FGETC ; Read another char
E000A030000d # CMPSKIPI.NE R0 13 ; Replace all CR E000A030000d # CMPSKIPI.NE R0 13 ; Replace all CR
@ -137,7 +137,7 @@ E0002D211101 # LOADUI R1 0x1101 ; Write to TAPE_02
E0002C6Effd2 # JUMP.NE R14 @ascii_comment ; Otherwise keep looping E0002C6Effd2 # JUMP.NE R14 @ascii_comment ; Otherwise keep looping
3C00ffc6 # JUMP @ascii_other 3C00ffc6 # JUMP @ascii_other
# :finish ; offset = 156 # :finish ; offset = 152
E0002D201100 # LOADUI R0 0x1100 ; Close TAPE_01 E0002D201100 # LOADUI R0 0x1100 ; Close TAPE_01
42100002 # FCLOSE 42100002 # FCLOSE
E0002D201101 # LOADUI R0 0x1101 ; Close TAPE_02 E0002D201101 # LOADUI R0 0x1101 ; Close TAPE_02

4
stage0/stage0_monitor.s
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@ -15,7 +15,7 @@
; along with stage0. If not, see <http://www.gnu.org/licenses/>. ; along with stage0. If not, see <http://www.gnu.org/licenses/>.
:start :start
LOADUI R11 1 ; Our toggle TRUE R11 ; Our toggle
LOADUI R13 0x600 ; Where we are starting our Stack LOADUI R13 0x600 ; Where we are starting our Stack
;; R14 will be storing our condition ;; R14 will be storing our condition
FALSE R15 ; Our holder FALSE R15 ; Our holder
@ -69,7 +69,7 @@
ADD R0 R0 R15 ; Combine nibbles ADD R0 R0 R15 ; Combine nibbles
;; Writeout and prepare for next cycle ;; Writeout and prepare for next cycle
LOADI R11 1 ; Flip the toggle TRUE R11 ; Flip the toggle
LOADUI R1 0x1100 ; Write the combined byte LOADUI R1 0x1100 ; Write the combined byte
FPUTC ; To TAPE_01 FPUTC ; To TAPE_01
JUMP @loop ; Try to get more bytes JUMP @loop ; Try to get more bytes

2
test/SHA256SUMS
View File

@ -5,7 +5,7 @@ f4bbf9e9c4828170d0c153ac265382dc705643f95efd2a029243326d426be5a4 roms/forth
2b80849180d5fb3757bcca2471b6337808e5b5ca80b18d93fa82ddef0435b84b roms/lisp 2b80849180d5fb3757bcca2471b6337808e5b5ca80b18d93fa82ddef0435b84b roms/lisp
3020b194ead31ae19ba66fc35ed95465514373f6005896350d1608c9efabbdca roms/M0 3020b194ead31ae19ba66fc35ed95465514373f6005896350d1608c9efabbdca roms/M0
059d38e34275029f2de5f600f08fe01bd13cd173f7da58e3fbec7114074beff2 roms/SET 059d38e34275029f2de5f600f08fe01bd13cd173f7da58e3fbec7114074beff2 roms/SET
792e2be913921dd55a28f55dcf2e6b1523d34fdbccc27c38f77e74c99ef97a4b roms/stage0_monitor cd2e30b50ad0d9587573d35d8b5153a0ba435beeee6f56c3dfe29b986ab4f7b3 roms/stage0_monitor
13b45134a88c1c6db349cb40f82269cee9edfce71ac644dc0e137bad053bf5ce roms/stage1_assembler-0 13b45134a88c1c6db349cb40f82269cee9edfce71ac644dc0e137bad053bf5ce roms/stage1_assembler-0
156f555fce5b02f52445652b1ed0b443295706cdfbe23c5a021bd4efc77179bb roms/stage1_assembler-1 156f555fce5b02f52445652b1ed0b443295706cdfbe23c5a021bd4efc77179bb roms/stage1_assembler-1
2c02c50958f489a660a4915d2a9e207a0c61f411d42628bdaf4dcf6bf7149a9d roms/stage1_assembler-2 2c02c50958f489a660a4915d2a9e207a0c61f411d42628bdaf4dcf6bf7149a9d roms/stage1_assembler-2