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Fixed off-by-one problem in multiplexer. Improved mega65 conio.

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This commit is contained in:
jespergravgaard 2020-12-24 01:54:13 +01:00
parent 7a8a42bb03
commit 9b5d3f8190
2 changed files with 4 additions and 12 deletions
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14
src/main/kc/lib/conio-mega65.c
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@ -1,6 +1,7 @@
// MEGA65 conio.h implementation
#include <conio.h>
#include <mega65.h>
#include <6502.h>
// The screen width
#ifdef __MEGA65_C64__
@ -27,18 +28,9 @@ const char CONIO_TEXTCOLOR_DEFAULT = LIGHT_BLUE;
// Enable 2K Color ROM
void conio_mega65_init() {
// Disable BASIC/KERNAL interrupts
asm {
sei
}
SEI();
// Map memory to BANK 0 : 0x00XXXX - giving access to I/O
asm {
lda #0
tax
tay
taz
map
eom
}
memoryRemap(0,0,0);
// Enable the VIC 4
*IO_KEY = 0x47;
*IO_KEY = 0x53;

2
src/main/kc/lib/multiplexer.c
View File

@ -136,6 +136,6 @@ inline char plexFreeNextYpos() {
// Update the data structure to reflect that a sprite has been shown. This sprite will be free again after 21 lines.
inline void plexFreeAdd(char ypos) {
PLEX_FREE_YPOS[plex_free_next] = ypos+21;
PLEX_FREE_YPOS[plex_free_next] = ypos+22;
plex_free_next = (plex_free_next+1)&7;
}