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Right shift to boot directly to GEM #19

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merged 3 commits into from
Feb 8, 2024
Merged

Right shift to boot directly to GEM #19

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fa33f29
Right shift to skip and boot GEM directly
nplanel Jan 17, 2024
544c7b0
more reactive keystroke
nplanel Jan 17, 2024
e486a84
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nplanel Jan 17, 2024
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18 changes: 11 additions & 7 deletions src/main.s
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Original file line number Diff line number Diff line change
Expand Up @@ -80,19 +80,22 @@ pre_auto:
trap #14
addq.l #2,sp

; Now check the left shift key. If pressed, exit.
; Now check the left or right shift key. If pressed, exit.
move.w #-1, -(sp) ; Read all key status
move.w #$b, -(sp) ; XBIOS Get shift key status
move.w #$b, -(sp) ; BIOS Get shift key status
trap #13
addq.l #4,sp

dbf d7,.ddell

btst #1,d0
btst #1,d0 ; Left shift
bne.s adjust_mem

dbf d6, .print_loop
btst #0,d0 ; Right shift skip and boot GEM
bne.s boot_gem

dbf d7, .ddell

dbf d6, .print_loop
boot_gem:
; If we get here, continue loading GEM
rts

Expand Down Expand Up @@ -206,7 +209,8 @@ run_configurator_avoid_p_pointer:
jmp (a1)

welcome:
dc.b "Press LEFT SHIFT to autoboot the",13,10,"SidecarT Configurator.",13,10,0
dc.b "Press LEFT SHIFT to autoboot the",13,10,"SidecarT Configurator.",13,10
dc.b "Press RIGHT SHIFT to skip and boot to",13,10,"GEM now.",13,10,0

to_gem:
dc.b 13,10,"Or GEM will load in ",0
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