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Optimization hints

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This commit is contained in:
Karol Stasiak
2021-03-15 00:44:14 +01:00
parent 2468d8cca5
commit 1e4a193741
22 changed files with 171 additions and 34 deletions
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include/c128_kernal.mfk
+1 -1
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@@ -6,7 +6,7 @@
// CHROUT. Write byte to default output. (If not screen, must call OPEN and CHKOUT beforehands.)
// Input: A = Byte to write.
asm void chrout(byte register(a) char) @$FFD2 extern
asm void chrout(byte register(a) char) @$FFD2 !preserves_a !preserves_x !preserves_y extern
asm void putchar(byte register(a) char) {
JSR chrout
include/c264_kernal.mfk
+1 -1
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@@ -5,7 +5,7 @@
// CHROUT. Write byte to default output. (If not screen, must call OPEN and CHKOUT beforehands.)
// Input: A = Byte to write.
asm void chrout(byte register(a) char) @$FFD2 extern
asm void chrout(byte register(a) char) @$FFD2 !preserves_a !preserves_x !preserves_y extern
asm void putchar(byte register(a) char) {
JSR chrout
include/c64_kernal.mfk
+1 -1
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@@ -2,7 +2,7 @@
// CHROUT. Write byte to default output. (If not screen, must call OPEN and CHKOUT beforehands.)
// Input: A = Byte to write.
asm void chrout(byte register(a) char) @$FFD2 extern
asm void chrout(byte register(a) char) @$FFD2 !preserves_a !preserves_x !preserves_y extern
// CHRIN. Read byte from default input (for keyboard, read a line from the screen). (If not keyboard, must call OPEN and CHKIN beforehands.)
// Output: A = Byte read.
include/pet_kernal.mfk
+1 -1
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@@ -6,7 +6,7 @@
// CHROUT. Write byte to default output. (If not screen, must call OPEN and CHKOUT beforehands.)
// Input: A = Byte to write.
asm void putchar(byte register(a) char) @$FFD2 extern
asm void putchar(byte register(a) char) @$FFD2 !preserves_a !preserves_x !preserves_y extern
inline void new_line() {
putchar(13)
include/vic20_kernal.mfk
+1 -1
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@@ -6,7 +6,7 @@
// CHROUT. Write byte to default output. (If not screen, must call OPEN and CHKOUT beforehands.)
// Input: A = Byte to write.
asm void chrout(byte register(a) char) @$FFD2 extern
asm void chrout(byte register(a) char) @$FFD2 !preserves_a !preserves_x !preserves_y extern
asm void putchar(byte register(a) char) {
JSR chrout
include/zxspectrum.mfk
+3 -3
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@@ -5,16 +5,16 @@
#pragma zilog_syntax
inline asm void putchar(byte register(a) char) {
inline asm void putchar(byte register(a) char) !preserves_bc !preserves_de !preserves_hl {
rst $10
? ret
}
inline void new_line() {
inline void new_line() !preserves_bc !preserves_de !preserves_hl {
putchar(13)
}
inline asm void set_border(byte register(a) colour) {
inline asm void set_border(byte register(a) colour) !preserves_bc !preserves_de !preserves_hl {
out (254),a
? ret
}