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[Maintenance] [th01] Text mode functions: ZUN's proprietary attribute bits 

Again (2113031), very helpful for debugging.

Part of P0207, funded by GhostPhanom.
This commit is contained in:
nmlgc 2022-08-03 14:15:55 +02:00
parent cfea4971ee
commit e5ca2928d2
2 changed files with 21 additions and 7 deletions
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14
th01/hardware/ztext.c
View File

@ -121,25 +121,25 @@ void z_text_putsa(tram_x_t x, tram_y_t y, int z_atrb, const char *str)
#define tx_chars(byte) ((char*)MK_FP(0xA000, p + byte))
#define tx_atrbs(byte) ((int16_t*)MK_FP(0xA200, p + byte))
if(z_atrb & 1) {
if(z_atrb & Z_ATRB_BLUE) {
hw_atrb += 0x20;
}
if(z_atrb & 4) {
if(z_atrb & Z_ATRB_RED) {
hw_atrb += 0x40;
}
if(z_atrb & 2) {
if(z_atrb & Z_ATRB_GREEN) {
hw_atrb += 0x80;
}
if(z_atrb & 0x800) {
if(z_atrb & Z_ATRB_VLINE) {
hw_atrb += 0x10;
}
if(z_atrb & 0x400) {
if(z_atrb & Z_ATRB_UNDERLINE) {
hw_atrb += TX_UNDERLINE;
}
if(z_atrb & 0x200) {
if(z_atrb & Z_ATRB_REVERSE) {
hw_atrb += TX_REVERSE;
}
if(z_atrb & 0x100) {
if(z_atrb & Z_ATRB_BLINK) {
hw_atrb += TX_BLINK;
}
hw_atrb += hw_atrb << 8;

14
th01/hardware/ztext.h
View File

@ -9,6 +9,20 @@ typedef enum {
_z_text_cursor_t_FORCE_UINT16 = 0xFFFF
} z_text_cursor_t;
// Attribute bits for z_text_vputsa(), completely differing from the PC-98
// hardware text attribute bits.
#define Z_ATRB_BLUE 0x1
#define Z_ATRB_GREEN 0x2
#define Z_ATRB_RED 0x4
#define Z_ATRB_CYAN (Z_ATRB_BLUE | Z_ATRB_GREEN)
#define Z_ATRB_MAGENTA (Z_ATRB_BLUE | Z_ATRB_RED)
#define Z_ATRB_YELLOW (Z_ATRB_GREEN | Z_ATRB_RED)
#define Z_ATRB_WHITE (Z_ATRB_BLUE | Z_ATRB_GREEN | Z_ATRB_RED)
#define Z_ATRB_BLINK 0x100
#define Z_ATRB_REVERSE 0x200
#define Z_ATRB_UNDERLINE 0x400
#define Z_ATRB_VLINE 0x800
void z_text_init(void);
void z_text_25line(void);
void z_text_20line(void);