From ecf919437499aa6ff02f19f070746a5c85bf792b Mon Sep 17 00:00:00 2001 From: Dmitry Petukhov Date: Fri, 11 Oct 2019 12:55:07 +0500 Subject: [PATCH] shave another 4 bytes from stage0 monitor bu using `TRUE R11` for toggle --- stage0/stage0_monitor.hex0 | 30 +++++++++++++++--------------- stage0/stage0_monitor.s | 4 ++-- test/SHA256SUMS | 2 +- 3 files changed, 18 insertions(+), 18 deletions(-) diff --git a/stage0/stage0_monitor.hex0 b/stage0/stage0_monitor.hex0 index d9fdbe0..64608e1 100644 --- a/stage0/stage0_monitor.hex0 +++ b/stage0/stage0_monitor.hex0 @@ -15,7 +15,7 @@ ## along with stage0. If not, see . # :start ; offset = 0 -E0002D2B0001 # LOADUI R11 1 ; Our toggle +0D00003B # TRUE R11 ; Our toggle E0002D2D0600 # LOADUI R13 0x600 ; Where we are starting our Stack # ;; R14 will be storing our condition 0D00002F # FALSE R15 ; Our holder @@ -28,7 +28,7 @@ E0002D201100 # LOADUI R0 0x1100 E0002D201101 # LOADUI R0 0x1101 42100001 # FOPEN_WRITE -# :loop ; offset = 24 +# :loop ; offset = 22 0D000021 # FALSE R1 ; Read from tty 42100100 # FGETC ; Read a Char E000A030000d # CMPSKIPI.NE R0 13 ; Replace all CR @@ -38,17 +38,17 @@ E0002D20000a # LOADUI R0 10 ; WIth LF # ;; Check for Ctrl-D E000A0300004 # CMPSKIPI.NE R0 4 -3C000110 # JUMP @finish +3C00010e # JUMP @finish # ;; Check for EOF -E0002CC0010a # JUMP.NP R0 @finish +E0002CC00108 # JUMP.NP R0 @finish # ;; Write out unprocessed byte E0002D211101 # LOADUI R1 0x1101 ; Write to TAPE_02 42100200 # FPUTC ; Print the Char # ;; Convert byte to nybble -E0002D0D003e # CALLI R13 @hex ; Convert it +E0002D0D003c # CALLI R13 @hex ; Convert it # ;; Get another byte if nonhex 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 # ;; Combined second nybble in pair with first -# :second_nybble ; offset = 76 +# :second_nybble ; offset = 74 E0002D5F0004 # SL0I R15 4 ; Shift our first nibble E100B000000f # ANDI R0 R0 0x0F ; Mask out top 0500000F # ADD R0 R0 R15 ; Combine nibbles # ;; 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 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 # E1001FE00023 # CMPUI R14 R0 35 E0002C5E007e # JUMP.E R14 @ascii_comment @@ -109,23 +109,23 @@ E0002C7E000e # JUMP.LE R14 @ascii_low # ;; Ignore the rest 3C00001e # JUMP @ascii_other -# :ascii_num ; offset = FD +# :ascii_num ; offset = FA E10011000030 # SUBUI R0 R0 48 0D01001D # RET R13 -# :ascii_low ; offset = 108 +# :ascii_low ; offset = 104 E10011000057 # SUBUI R0 R0 87 0D01001D # RET R13 -# :ascii_high ; offset = 112 +# :ascii_high ; offset = 102 E10011000037 # SUBUI R0 R0 55 0D01001D # RET R13 -# :ascii_other ; offset = 11c +# :ascii_other ; offset = 118 0D000030 # TRUE R0 0D01001D # RET R13 -# :ascii_comment ; offset = 124 +# :ascii_comment ; offset = 120 0D000021 # FALSE R1 ; Read from tty 42100100 # FGETC ; Read another char 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 3C00ffc6 # JUMP @ascii_other -# :finish ; offset = 156 +# :finish ; offset = 152 E0002D201100 # LOADUI R0 0x1100 ; Close TAPE_01 42100002 # FCLOSE E0002D201101 # LOADUI R0 0x1101 ; Close TAPE_02 diff --git a/stage0/stage0_monitor.s b/stage0/stage0_monitor.s index 746f6ca..cbef651 100644 --- a/stage0/stage0_monitor.s +++ b/stage0/stage0_monitor.s @@ -15,7 +15,7 @@ ; along with stage0. If not, see . :start - LOADUI R11 1 ; Our toggle + TRUE R11 ; Our toggle LOADUI R13 0x600 ; Where we are starting our Stack ;; R14 will be storing our condition FALSE R15 ; Our holder @@ -69,7 +69,7 @@ ADD R0 R0 R15 ; Combine nibbles ;; Writeout and prepare for next cycle - LOADI R11 1 ; Flip the toggle + TRUE R11 ; Flip the toggle LOADUI R1 0x1100 ; Write the combined byte FPUTC ; To TAPE_01 JUMP @loop ; Try to get more bytes diff --git a/test/SHA256SUMS b/test/SHA256SUMS index 5741dbd..91b7ce3 100644 --- a/test/SHA256SUMS +++ b/test/SHA256SUMS @@ -5,7 +5,7 @@ f4bbf9e9c4828170d0c153ac265382dc705643f95efd2a029243326d426be5a4 roms/forth 2b80849180d5fb3757bcca2471b6337808e5b5ca80b18d93fa82ddef0435b84b roms/lisp 3020b194ead31ae19ba66fc35ed95465514373f6005896350d1608c9efabbdca roms/M0 059d38e34275029f2de5f600f08fe01bd13cd173f7da58e3fbec7114074beff2 roms/SET -792e2be913921dd55a28f55dcf2e6b1523d34fdbccc27c38f77e74c99ef97a4b roms/stage0_monitor +cd2e30b50ad0d9587573d35d8b5153a0ba435beeee6f56c3dfe29b986ab4f7b3 roms/stage0_monitor 13b45134a88c1c6db349cb40f82269cee9edfce71ac644dc0e137bad053bf5ce roms/stage1_assembler-0 156f555fce5b02f52445652b1ed0b443295706cdfbe23c5a021bd4efc77179bb roms/stage1_assembler-1 2c02c50958f489a660a4915d2a9e207a0c61f411d42628bdaf4dcf6bf7149a9d roms/stage1_assembler-2