mirror of
https://github.com/UzixLS/zx-sizif-xxs.git
synced 2025-07-19 07:11:28 +03:00
0e572d9d69
* add 4.4 MHz and 5.2 MHz turbo modes
* handle magic key press if initialization wasn't completed before
* replace 'timings', 'ram', 'plus3' settings with one 'machine' setting
* refactor memory controller
* significantly improve classic timings
* magic rom: fix 'h' font character
* fix hanging of esxdos browser after magic key double press
* enable divmmc (esxdos OS) by magic rom on poweron; add NO-OS option
* improve pause ('f12' on ps/2 keyboard or 'start' on gamepad)
* magic rom: handle C-key on sega gamepad as exit
34 lines
921 B
NASM
34 lines
921 B
NASM
pause_init:
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ld d, PAUSE_BODY_ATTR
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ld c, PAUSE_X
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ld b, PAUSE_Y
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ld e, PAUSE_WIDTH
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call draw_attribute_line
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ld b, PAUSE_Y+2
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ld e, PAUSE_WIDTH
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call draw_attribute_line
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ld d, PAUSE_TEXT_ATTR
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ld b, PAUSE_Y+1
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ld e, PAUSE_WIDTH
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call draw_attribute_line
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ld b, (PAUSE_Y+1)<<3
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ld hl, str_pause
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call print_string
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ret
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pause_process:
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ld a, #ff ; read pause key state in bit 1 of #FFFF port
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in a, (#ff) ; ...
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bit 1, a ; check key is hold
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jr nz, .is_hold ; yes?
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ld a, 1
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ld (var_pause_is_released), a
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ret
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.is_hold:
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ld a, (var_pause_is_released) ; if key wasnt released - do nothing
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or a ; ...
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ret z ; ...
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ld a, 1 ; otherwise - var_exit_flag = 1
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ld (var_exit_flag), a ; ...
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ret
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