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ti/kbd: lowercase letters by default, 2nd to upcase

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This commit is contained in:
Virgil Dupras 2019-11-09 13:38:35 -05:00
parent 9c37471780
commit 2026113480
1 changed files with 16 additions and 6 deletions
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22
kernel/ti/kbd.asm
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@ -84,7 +84,7 @@ kbdGetC:
jr z, .loop ; yes? unsupported. loop.
call .debounce
cp KBD_KEY_ALPHA
jr c, .end ; A < 0x80? valid char, return it.
jr c, .result ; A < 0x80? valid char, return it.
jr z, .handleAlpha
cp KBD_KEY_2ND
jr z, .handle2nd
@ -110,6 +110,16 @@ kbdGetC:
ld c, a
jp .loop
.result:
; We have our result in A, *almost* time to return it. One last thing:
; Are in in both Alpha and 2nd mode? If yes, then it means that we
; should return the upcase version of our letter (if it's a letter).
bit 0, c
jr z, .end ; nope
bit 1, c
jr z, .end ; nope
; yup, we have Alpha + 2nd. Upcase!
call upcase
.end:
pop hl
pop bc
@ -157,9 +167,9 @@ kbdGetC:
; alpha table. same as .dtbl, for when we're in alpha mode.
.atbl:
.db 0xfe, 0, 0, 0, 0, 0, 0, 0, 0
.db 0xfd, 0x0d, '"' ,'W' ,'R', 'M', 'H', 0, 0
.db 0xfb, '?', 0, 'V', 'Q', 'L', 'G', 0, 0
.db 0xf7, ':', 'Z', 'U', 'P', 'K', 'F', 'C', 0
.db 0xef, ' ', 'Y', 'T', 'O', 'J', 'E', 'B', 0
.db 0xdf, 0, 'X', 'S', 'N', 'I', 'D', 'A', KBD_KEY_ALPHA
.db 0xfd, 0x0d, '"' ,'w' ,'r', 'm', 'h', 0, 0
.db 0xfb, '?', 0, 'v', 'q', 'l', 'g', 0, 0
.db 0xf7, ':', 'z', 'u', 'p', 'k', 'f', 'c', 0
.db 0xef, ' ', 'y', 't', 'o', 'j', 'e', 'b', 0
.db 0xdf, 0, 'x', 's', 'n', 'i', 'd', 'a', KBD_KEY_ALPHA
.db 0xbf, 0, 0, 0, 0, 0, KBD_KEY_2ND, 0, 0x7f