diff options
| -rw-r--r-- | boot.subx | 54 |
1 files changed, 27 insertions, 27 deletions
diff --git a/boot.subx b/boot.subx index 4e651910..3e428f0f 100644 --- a/boot.subx +++ b/boot.subx @@ -369,41 +369,41 @@ keyboard-interrupt-handler: # return eb/jump $keyboard-interrupt-handler:epilogue/disp8 } -== data # - convert key to character # if (shift) use keyboard shift map - 81 # operate on rm32 and imm32 - 3d # 00/mod/indirect 111/subop/compare 101/rm32/use-disp32 - 10 80 00 00 # disp32 = shift [label] - 00 00 00 00 # imm32 - 74 08 # jump to $7 if = [label] - # al <- *(keyboard shift map + eax) - 8a # copy m8 at rm32 to r8 - 80 # 10/mod/*+disp32 000/r8/al 000/rm32/eax - 00 87 00 00 # disp32 [label] - eb 1a # jump to $8 [label] -# 2a8: -# $7: + { + 81 7/subop/compare *Keyboard-shift-pressed? 0/imm32 + 74/jump-if-= break/disp8 +== data + # al <- *(keyboard shift map + eax) +#? 8a/byte-> *(eax+Keyboard-shift-map) 0/r32/al + 8a # copy m8 at rm32 to r8 + 80 # 10/mod/*+disp32 000/r8/al 000/rm32/eax + 00 87 00 00 # disp32 [label] +== code + eb/jump $keyboard-interrupt-handler:select-map-done/disp8 + } # if (ctrl) use keyboard ctrl map - 81 # operate on rm32 and imm32 - 3d # 00/mod/indirect 111/subop/compare 101/rm32/use-disp32 - 14 80 00 00 # disp32 = ctrl [label] - 00 00 00 00 # imm32 - 74 08 # jump to $8 if = [label] - # al <- *(keyboard ctrl map + eax) - 8a # copy m8 at rm32 to r8 - 80 # 10/mod/*+disp32 000/r8/al 000/rm32/eax - 00 88 00 00 # disp32 [label] - eb 06 # jump to $9 [label] -# 2bc: -# $8: + { + 81 7/subop/compare *Keyboard-ctrl-pressed? 0/imm32 + 74/jump-if-= break/disp8 +== data + # al <- *(keyboard ctrl map + eax) +#? 8a/byte-> *(eax+Keyboard-shift-map) 0/r32/al + 8a # copy m8 at rm32 to r8 + 80 # 10/mod/*+disp32 000/r8/al 000/rm32/eax + 00 88 00 00 # disp32 [label] +== code + eb/jump $keyboard-interrupt-handler:select-map-done/disp8 + } +== data # otherwise use keyboard normal map # al <- *(keyboard normal map + eax) +#? 8a/byte-> *(eax+Keyboard-normal-map) 0/r32/al 8a # copy m8 at rm32 to r8 80 # 10/mod/*+disp32 000/r8/al 000/rm32/eax 00 86 00 00 # disp32 [label] -# 2c2: -# $9: +$keyboard-interrupt-handler:select-map-done: # - if there's no character mapping, return 3c 00 # compare al, 0 74 13 # jump to epilogue if = [label] |