TOSFloppy_2025-04-20T2103-0500.zip2025-04-20

This was the second and final Discord release of the TempleOS floppy
disk controller driver, released April 20, 2025.

This release saw mainly structure changes, plus the addition of a
license file (the code, at this point, is licensed under Do What The
Fuck You Want To Public License, version 2.0).

1 files changed, 0 insertions, 98 deletions

diff --git a/Floppy.HH b/Floppy.HH
deleted file mode 100644
index 4e5cfdb..0000000
--- a/Floppy.HH
+++ /dev/null
@@ -1,98 +0,0 @@
-// FDC uses IRQ6 = int 26h
-#define I_FDC	0x26
-#define IRQ_FDC	6
-
-// FDC regs (primary ctrlr)
-#define FDC_STAT_A	0x0
-#define FDC_STAT_B	0x1
-#define FDC_DOR		0x2
-#define FDC_TAPE	0x3
-#define FDC_MSR_DSR	0x4
-#define FDC_DATA	0x5
-#define FDC_CCR_DIR	0x7
-
-// FDC cmds
-#define FDC_READ_TRACK	0x02
-#define FDC_SPECIFY	0x03
-#define FDC_SENSE_STAT	0x04
-#define FDC_WRITE_DATA	0x05
-#define FDC_READ_DATA	0x06
-#define FDC_RECALIBRATE	0x07
-#define FDC_SENSE_INTR	0x08
-#define FDC_WRITE_DEL	0x09
-#define FDC_READ_ID	0x0A
-#define FDC_READ_DEL	0x0C
-#define FDC_FMT_TRACK	0x0D
-#define FDC_DUMP_REG	0x0E
-#define FDC_SEEK	0x0F
-#define FDC_VERSION	0x10
-#define FDC_SCAN_EQL	0x11
-#define FDC_PERP_MODE	0x12
-#define FDC_CONFIGURE	0x13
-#define FDC_LOCK	0x14
-#define FDC_VERIFY	0x16
-#define FDC_SCAN_LO_EQL	0x19
-#define FDC_SCAN_HI_EQL	0x1D
-
-// Motor stuff
-#define FDC_MOTOR_OFF	0
-#define FDC_MOTOR_ON	1
-#define FDC_MOTOR_WAIT	2
-
-// Read/write directions
-#define FDC_DIR_READ	0
-#define FDC_DIR_WRITE	1
-
-// Digital Output Register (DOR) flags
-
-// DOR motor control flags: 1 = on, 0 = off
-#define FDC_DOR_MOTD	0x80 // Drive D
-#define FDC_DOR_MOTC	0x40 // Drive C
-#define FDC_DOR_MOTB	0x20 // Drive B
-#define FDC_DOR_MOTA	0x10 // Drive A
-
-// other DOR flags
-#define FDC_DOR_DMA	0x08 // DMA2/IRQ6 On/Off
-#define FDC_DOR_REST	0x04 // Controller Reset: this is active low; 1 = normal, 0 = reset
-
-// DOR drive select (DOR & 0x03): selects drive 0-3
-
-// Main Status Register (MSR) flags
-#define FDC_MSR_RQM	0x80 // Main Request: 1 = ready, 0 = not ready
-#define FDC_MSR_DIO	0x40 // Data In/Out: 1 = FDC -> PC, 0 = PC -> FDC
-#define FDC_MSR_NDMA	0x20 // Non-DMA: 1 = DMA off, 0 = DMA on
-#define FDC_MSR_BUSY	0x10 // Device busy: self-explanatory
-
-// MSR drive seek flags: 1 = seeking, 0 = idle
-#define FDC_MSR_ACTD	0x08 // Drive D
-#define FDC_MSR_ACTC	0x04 // Drive C
-#define FDC_MSR_ACTB	0x02 // Drive B
-#define FDC_MSR_ACTA	0x01 // Drive A
-
-// Status Register 0 (ST0) flags
-
-/* ST0 interrupt code (ST0 & 0xC0):
-    00 = normal termination
-    01 = abnormal termination
-    10 = invalid cmd
-    11 = abnormal termination by poilling (drive became not ready)
-*/
-
-#define FDC_ST0_SEEK_END	0x20 // Seek End: seek/calibration completed
-#define FDC_ST0_UNIT_CHK	0x10 // Unit Check: drive encountered a fault or recalibration failed
-#define FDC_ST0_NOT_RDY		0x08 // Not Ready: self-explanatory
-#define FDC_ST0_HEAD		0x04 // Active Head
-
-// ST0 unit select (ST0 & 0x03): same fmt as DOR drive select
-
-// Status Register 1 (ST1) flags
-#define FDC_ST1_END_CYL		0x80 // End of Cylinder: set when sector count > sectors on track
-// 0x40 is unused
-#define FDC_ST1_DATA_ERR	0x20 // Data Error: set when an error is detected in a sector's data or ID fields
-#define FDC_ST1_TIMEOUT		0x10 // Timeout: set when a data overrun occurs (i.e. the system is not reading data fast enough)
-// 0x08 is unused
-#define FDC_ST1_NO_DATA		0x04 // No Data: set when either a sector cannot be read, or an ID cannot be successfully read, or if the sector sequence cannot be determined
-#define FDC_ST1_NO_WRITE	0x02 // Not Writable: set when attempting to write to a write-protected disk
-#define FDC_ST1_NO_ID		0x01 // No Addr. Mark: set when an ID/(deleted) data address mark cannot be found.
-
-// Status Register 2 (ST2) flags
\ No newline at end of file