uzix/zx-sizif-512
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save sd card setting

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This commit is contained in:
Eugene Lozovoy
2022-07-10 12:32:58 +03:00
parent 13075a26a3
commit ae9f5a8f5b
2 changed files with 12 additions and 13 deletions
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2
rom_src/config.asm
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@ -38,7 +38,7 @@ custom_rom DB 0
rom48 DB 0
joystick DB 0
ay DB 1
sd DB 2
sd DB 1
ulaplus DB 1
dac DB 3
sdind DB 1

23
rom_src/main.asm
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@ -221,17 +221,15 @@ save_config:
load_user_config:
ld hl, user_config_initialized ; check if magic world is written to flash
call check_initialized.check ; if no - do no do anything
call check_initialized.check ; if no - do not do anything
ret nz ; ...
ld bc, CFG_T ; else - cfg_saved = user_config
ld de, cfg_saved ; ...
ld hl, user_config ; ...
ldir ; ...
.quirks: ; some options shouldn't be saved by user, so we just overwrite them from default config
ld a, (CFG_DEFAULT+CFG_T.ay) ; AY should be disabled only by detect_external_ay
ld (cfg_saved+CFG_T.ay), a ; ...
ld a, (CFG_DEFAULT+CFG_T.sd) ; SD is always autodetected
ld (cfg_saved+CFG_T.sd), a ; ...
ld a, (CFG_DEFAULT.ay) ; AY should be disabled only by detect_external_ay
ld (cfg_saved.ay), a ; ...
ret
; OUT - A = 1 if error, 0 if ok
@ -304,15 +302,14 @@ init_cpld:
detect_sd_card:
in a, (#77) ; read sd_cd state from ZC status port
bit 0, a ; check sd_cd == 0 (card is insert)
jr z, .is_insert ; yes?
ret z ; yes?
.no_card:
ld a, (cfg_saved.sd) ; if (sd == divmmc) sd = OFF
cp 1 ; ...
ret nz ; ...
xor a ; sd = OFF
ld (cfg_saved.sd), a ; ...
ret
.is_insert:
ld a, 1 ; sd = divmmc
ld (cfg_saved.sd), a ; ...
ret
; OUT - A = 1 if ext board present, 0 otherwise
@ -662,9 +659,11 @@ nmi_pause:
nmi_menu:
call check_initialized
jr z, .init1
call check_initialized ; cpld and our variables may be not initialized at this point because magic rom was shadowed at start by external peripheral
jr z, .init1 ; so we're initialize our variables for properly menu work, but skip cpld initialization as it already initialized itself with safe values
call init_default_config
ld a, 2 ; default cpld sd card state - ZC
ld (cfg_saved.sd), a ; ...
call detect_ext_board
call load_config
call save_initialized